🚧

New record status values, filters and API behaviors

Beginning 1 Dec 2022, some ROR records contain new values "inactive" and "withdrawn" in the status and new values "Predecessor" and "Successor" in relationships.type. APIs now return records with active status only by default. Records with all statuses can be returned using query parameter ?all_status. See the 2022-12-01 release notes for details about this change.

The ROR API allows users to retrieve, search and filter the organizations indexed in ROR. The results are returned as JSON. No registration is required to use the ROR API, but note that the rate limit is a maximum of 2000 requests in a 5-minute period, and API traffic can be quite heavy at popular times like midnight UTC. You can also run the entire ROR API locally in Docker.

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ROR API status and heartbeat

Is the ROR API up? Check our status page at https://status.ror.org.

Want to do a lightweight health check on the ROR API? Send a request to https://api.ror.org/heartbeat.

Retrieve a single organization record by ROR ID

Retrieve a single ROR record by its ROR ID using the format https://api.ror.org/organizations/<ror id> .

📘

When retrieving a single record, you use any of these formats in the ID portion of your request:

All formats will return the same record.

curl https://api.ror.org/organizations/015w2mp89

The response is a JSON object containing a full ROR record. See ROR data structure for details about the fields and values in a ROR record.

{
   "acronyms" : [
      "NPL"
   ],
   "addresses" : [
      {
         "city" : "London",
         "country_geonames_id" : 2635167,
         "geonames_city" : {
            "city" : "London",
            "geonames_admin1" : {
               "ascii_name" : "England",
               "code" : "GB.ENG",
               "id" : 6269131,
               "name" : "England"
            },
            "geonames_admin2" : {
               "ascii_name" : "Greater London",
               "code" : "GB.ENG.GLA",
               "id" : 2648110,
               "name" : "Greater London"
            },
            "id" : 2643743,
            "license" : {
               "attribution" : "Data from geonames.org under a CC-BY 3.0 license",
               "license" : "http://creativecommons.org/licenses/by/3.0/"
            },
            "nuts_level1" : {
               "code" : "UKI",
               "name" : "LONDON"
            },
            "nuts_level2" : {
               "code" : "UKI3",
               "name" : "Inner London - West"
            },
            "nuts_level3" : {
               "code" : "UKI32",
               "name" : "Westminster"
            }
         },
         "lat" : 51.427184,
         "line" : null,
         "lng" : -0.344256,
         "postcode" : null,
         "primary" : false,
         "state" : null,
         "state_code" : null
      }
   ],
   "aliases" : [],
   "country" : {
      "country_code" : "GB",
      "country_name" : "United Kingdom"
   },
   "email_address" : null,
   "established" : 1900,
   "external_ids" : {
      "GRID" : {
         "all" : "grid.410351.2",
         "preferred" : "grid.410351.2"
      },
      "ISNI" : {
         "all" : [
            "0000 0000 8991 6349"
         ],
         "preferred" : null
      },
      "OrgRef" : {
         "all" : [
            "250381"
         ],
         "preferred" : null
      },
      "Wikidata" : {
         "all" : [
            "Q1967606"
         ],
         "preferred" : null
      }
   },
   "id" : "https://ror.org/015w2mp89",
   "ip_addresses" : [],
   "labels" : [],
   "links" : [
      "http://www.npl.co.uk/"
   ],
   "name" : "National Physical Laboratory",
   "relationships" : [],
   "status" : "active",
   "types" : [
      "Facility"
   ],
   "wikipedia_url" : "http://en.wikipedia.org/wiki/National_Physical_Laboratory_(United_Kingdom)"
}

Retrieve a list of organization records

Retrieve the first 10,000 organizations in the ROR search index (paginated, with 20 records on each page), along with summary metadata such as counts of organization by country and type. Note that due to Elasticsearch limitations, you cannot retrieve the entire ROR dataset from the API.

❗️

It is not possible to retrieve all ROR records from the API

Elastic Search has an inherent upper limit of 10,000 results, which means that it is currently not possible to retrieve all 100,000+ records from the ROR API. If you need to use the entire ROR dataset in your application, please download the data dump. The API is best for use cases that involve querying or retrieving individual records.

📘

Filtering

This request can be filtered by the organization's type or country. See Filtering below for information about filtering results.

curl https://api.ror.org/organizations

The response is a JSON object containing full records for the first 20 organizations in ROR in the items array and metadata about the entire dataset in the metadata array. See ROR data structure for details about the fields and values in a ROR record.

{
   "items" : [
      {
         "acronyms" : [
            "TSU"
         ],
         "addresses" : [
            {
               "city" : "Houston",
               "country_geonames_id" : 6252001,
               "geonames_city" : {
                  "city" : "Houston",
                  "geonames_admin1" : {
                     "ascii_name" : "Texas",
                     "code" : "US.TX",
                     "id" : 4736286,
                     "name" : "Texas"
                  },
                  "geonames_admin2" : {
                     "ascii_name" : "Harris County",
                     "code" : "US.TX.201",
                     "id" : 4696376,
                     "name" : "Harris County"
                  },
                  "id" : 4699066,
                  "license" : {
                     "attribution" : "Data from geonames.org under a CC-BY 3.0 license",
                     "license" : "http://creativecommons.org/licenses/by/3.0/"
                  },
                  "nuts_level1" : {
                     "code" : null,
                     "name" : null
                  },
                  "nuts_level2" : {
                     "code" : null,
                     "name" : null
                  },
                  "nuts_level3" : {
                     "code" : null,
                     "name" : null
                  }
               },
               "lat" : 29.722222,
               "line" : null,
               "lng" : -95.361111,
               "postcode" : null,
               "primary" : false,
               "state" : "Texas",
               "state_code" : "US-TX"
            }
         ],
         "aliases" : [],
         "country" : {
            "country_code" : "US",
            "country_name" : "United States"
         },
         "email_address" : "",
         "established" : 1927,
         "external_ids" : {
            "GRID" : {
               "all" : "grid.264771.1",
               "preferred" : "grid.264771.1"
            },
            "ISNI" : {
               "all" : [
                  "0000 0001 2173 6488"
               ],
               "preferred" : null
            },
            "OrgRef" : {
               "all" : [
                  "543894",
                  "7023657"
               ],
               "preferred" : "543894"
            },
            "Wikidata" : {
               "all" : [
                  "Q626591"
               ],
               "preferred" : null
            }
         },
         "id" : "https://ror.org/05ch0aw77",
         "ip_addresses" : [],
         "labels" : [],
         "links" : [
            "http://www.tsu.edu/about/"
         ],
         "name" : "Texas Southern University",
         "relationships" : [],
         "status" : "active",
         "types" : [
            "Education"
         ],
         "wikipedia_url" : "http://en.wikipedia.org/wiki/Texas_Southern_University"
      },
     ...
    ],
    "meta" : {
      "countries" : [
         {
            "count" : 30304,
            "id" : "us",
            "title" : "United States of America"
         },
         {
            "count" : 7273,
            "id" : "gb",
            "title" : "United Kingdom of Great Britain and Northern Ireland"
         },
         {
            "count" : 4855,
            "id" : "de",
            "title" : "Federal Republic of Germany"
         },
         {
            "count" : 4651,
            "id" : "cn",
            "title" : "People's Republic of China"
         },
         {
            "count" : 3885,
            "id" : "jp",
            "title" : "Japan"
         },
         {
            "count" : 3759,
            "id" : "fr",
            "title" : "French Republic"
         },
         {
            "count" : 3248,
            "id" : "ca",
            "title" : "Canada"
         },
         {
            "count" : 2917,
            "id" : "in",
            "title" : "Republic of India"
         },
         {
            "count" : 2739,
            "id" : "cz",
            "title" : "Czech Republic"
         },
         {
            "count" : 2019,
            "id" : "ru",
            "title" : "Russian Federation"
         }
      ],
      "types" : [
         {
            "count" : 29065,
            "id" : "company",
            "title" : "Company"
         },
         {
            "count" : 19639,
            "id" : "education",
            "title" : "Education"
         },
         {
            "count" : 13549,
            "id" : "nonprofit",
            "title" : "Nonprofit"
         },
         {
            "count" : 12689,
            "id" : "healthcare",
            "title" : "Healthcare"
         },
         {
            "count" : 8795,
            "id" : "facility",
            "title" : "Facility"
         },
         {
            "count" : 8003,
            "id" : "other",
            "title" : "Other"
         },
         {
            "count" : 5933,
            "id" : "government",
            "title" : "Government"
         },
         {
            "count" : 2766,
            "id" : "archive",
            "title" : "Archive"
         }
      ]
   },
   "number_of_results" : 100467,
   "time_taken" : 9
}

Search ROR records

There are three ways to search ROR records:

  • Query parameter: "Quick search" of name, aliases, labels, acronyms and external_ids fields in ROR records. Works best for searching based on keywords in organization names, searching for exact matches of a name, or searching for an external identifier. This is the recommended search approach for building ROR-powered typeahead widgets that suggest organization names to users.

  • Affiliation parameter: Designed to identify an organization when given a long search string that contains not just the organization's name, but also extraneous information such as address or the name of a department. This approach is recommended for matching free-text affiliation strings in existing metadata to ROR IDs.

  • Advanced search: Allows searching of any and all ROR record fields, including links, addresses and country. Complex queries using field names, wildcards, boolean operators, etc can be constructed using Elasticsearch query string syntax. This approach is recommended for research and analysis of the ROR registry, as well as searching for records with very specific characteristics or combinations of data.

Query parameter

"Quick search" of name, aliases, labels, acronyms and external_ids fields in ROR records using the format https://api.ror.org/organizations?query=<search term>.

📘

Paging

This request retrieves only the first 20 records. See Paging below for information about how to retrieve additional results.

Keyword searching using the query parameter

curl https://api.ror.org/organizations?query=bath | json_pp -json_opt pretty,utf8

As with retrieving all organizations, the response is a JSON object containing full records for the first 20 search results.

{
   "items" : [
      {
         "acronyms" : [],
         "addresses" : [
            {
               "city" : "Bath",
               "country_geonames_id" : 2635167,
               "geonames_city" : {
                  "city" : "Bath",
                  "geonames_admin1" : {
                     "ascii_name" : "England",
                     "code" : "GB.ENG",
                     "id" : 6269131,
                     "name" : "England"
                  },
                  "geonames_admin2" : {
                     "ascii_name" : "Bath and North East Somerset",
                     "code" : "GB.ENG.A4",
                     "id" : 3333123,
                     "name" : "Bath and North East Somerset"
                  },
                  "id" : 2656173,
                  "license" : {
                     "attribution" : "Data from geonames.org under a CC-BY 3.0 license",
                     "license" : "http://creativecommons.org/licenses/by/3.0/"
                  },
                  "nuts_level1" : {
                     "code" : "UKK",
                     "name" : "SOUTH WEST (ENGLAND)"
                  },
                  "nuts_level2" : {
                     "code" : "UKK1",
                     "name" : "Gloucestershire, Wiltshire and Bristol/Bath area"
                  },
                  "nuts_level3" : {
                     "code" : "UKK12",
                     "name" : "Bath and North East Somerset, North Somerset and South Gloucestershire"
                  }
               },
               "lat" : 51.380148,
               "line" : null,
               "lng" : -2.362725,
               "postcode" : null,
               "primary" : false,
               "state" : null,
               "state_code" : null
            }
         ],
         "aliases" : [],
         "country" : {
            "country_code" : "GB",
            "country_name" : "United Kingdom"
         },
         "email_address" : null,
         "established" : 1892,
         "external_ids" : {
            "GRID" : {
               "all" : "grid.468747.e",
               "preferred" : "grid.468747.e"
            },
            "ISNI" : {
               "all" : [
                  "0000 0004 6437 268X"
               ],
               "preferred" : null
            },
            "OrgRef" : {
               "all" : [
                  "11933767"
               ],
               "preferred" : null
            },
            "Wikidata" : {
               "all" : [
                  "Q5123579"
               ],
               "preferred" : null
            }
         },
         "id" : "https://ror.org/00pbyj886",
         "ip_addresses" : [],
         "labels" : [],
         "links" : [
            "https://www.bathcollege.ac.uk/"
         ],
         "name" : "Bath College",
         "relationships" : [],
         "status" : "active",
         "types" : [
            "Education"
         ],
         "wikipedia_url" : "https://en.wikipedia.org/wiki/Bath_College"
      },
      {
         "acronyms" : [],
         "addresses" : [
            {
               "city" : "Bath",
               "country_geonames_id" : 2635167,
               "geonames_city" : {
                  "city" : "Bath",
                  "geonames_admin1" : {
                     "ascii_name" : "England",
                     "code" : "GB.ENG",
                     "id" : 6269131,
                     "name" : "England"
                  },
                  "geonames_admin2" : {
                     "ascii_name" : "Bath and North East Somerset",
                     "code" : "GB.ENG.A4",
                     "id" : 3333123,
                     "name" : "Bath and North East Somerset"
                  },
                  "id" : 2656173,
                  "license" : {
                     "attribution" : "Data from geonames.org under a CC-BY 3.0 license",
                     "license" : "http://creativecommons.org/licenses/by/3.0/"
                  },
                  "nuts_level1" : {
                     "code" : "UKK",
                     "name" : "SOUTH WEST (ENGLAND)"
                  },
                  "nuts_level2" : {
                     "code" : "UKK1",
                     "name" : "Gloucestershire, Wiltshire and Bristol/Bath area"
                  },
                  "nuts_level3" : {
                     "code" : "UKK12",
                     "name" : "Bath and North East Somerset, North Somerset and South Gloucestershire"
                  }
               },
               "lat" : 51.386501,
               "line" : null,
               "lng" : -2.364442,
               "postcode" : null,
               "primary" : false,
               "state" : null,
               "state_code" : null
            }
         ],
         "aliases" : [],
         "country" : {
            "country_code" : "GB",
            "country_name" : "United Kingdom"
         },
         "email_address" : null,
         "established" : 2003,
         "external_ids" : {
            "GRID" : {
               "all" : "grid.432411.1",
               "preferred" : "grid.432411.1"
            }
         },
         "id" : "https://ror.org/04hf68923",
         "ip_addresses" : [],
         "labels" : [],
         "links" : [
            "http://www.bathlabs.com/"
         ],
         "name" : "Bath Labs",
         "relationships" : [],
         "status" : "active",
         "types" : [
            "Facility"
         ],
         "wikipedia_url" : ""
      },
      {
         "acronyms" : [],
         "addresses" : [
            {
               "city" : "Bath",
               "country_geonames_id" : 2635167,
               "geonames_city" : {
                  "city" : "Bath",
                  "geonames_admin1" : {
                     "ascii_name" : "England",
                     "code" : "GB.ENG",
                     "id" : 6269131,
                     "name" : "England"
                  },
                  "geonames_admin2" : {
                     "ascii_name" : "Bath and North East Somerset",
                     "code" : "GB.ENG.A4",
                     "id" : 3333123,
                     "name" : "Bath and North East Somerset"
                  },
                  "id" : 2656173,
                  "license" : {
                     "attribution" : "Data from geonames.org under a CC-BY 3.0 license",
                     "license" : "http://creativecommons.org/licenses/by/3.0/"
                  },
                  "nuts_level1" : {
                     "code" : null,
                     "name" : null
                  },
                  "nuts_level2" : {
                     "code" : null,
                     "name" : null
                  },
                  "nuts_level3" : {
                     "code" : null,
                     "name" : null
                  }
               },
               "lat" : 51.3751,
               "line" : null,
               "lng" : -2.36172,
               "postcode" : null,
               "primary" : false,
               "state" : null,
               "state_code" : null
            }
         ],
         "aliases" : [],
         "country" : {
            "country_code" : "GB",
            "country_name" : "United Kingdom"
         },
         "email_address" : null,
         "established" : 1966,
         "external_ids" : {
            "FundRef" : {
               "all" : [
                  "501100000835"
               ],
               "preferred" : null
            },
            "GRID" : {
               "all" : "grid.7340.0",
               "preferred" : "grid.7340.0"
            },
            "HESA" : {
               "all" : [
                  "0109"
               ],
               "preferred" : null
            },
            "ISNI" : {
               "all" : [
                  "0000 0001 2162 1699"
               ],
               "preferred" : null
            },
            "OrgRef" : {
               "all" : [
                  "153992"
               ],
               "preferred" : null
            },
            "UCAS" : {
               "all" : [
                  "B16"
               ],
               "preferred" : null
            },
            "UKPRN" : {
               "all" : [
                  "10007850"
               ],
               "preferred" : null
            },
            "Wikidata" : {
               "all" : [
                  "Q1422458"
               ],
               "preferred" : null
            }
         },
         "id" : "https://ror.org/002h8g185",
         "ip_addresses" : [],
         "labels" : [],
         "links" : [
            "http://www.bath.ac.uk/"
         ],
         "name" : "University of Bath",
         "relationships" : [
            {
               "id" : "https://ror.org/00a858n67",
               "label" : "Royal United Hospital",
               "type" : "Related"
            },
            {
               "id" : "https://ror.org/022p86748",
               "label" : "GW4 Facility for High-Resolution Electron Cryo-Microscopy",
               "type" : "Related"
            },
            {
               "id" : "https://ror.org/000vekr11",
               "label" : "GW4",
               "type" : "Related"
            }
         ],
         "status" : "active",
         "types" : [
            "Education"
         ],
         "wikipedia_url" : "http://en.wikipedia.org/wiki/University_of_Bath"
      },
      {
         "acronyms" : [],
         "addresses" : [
            {
               "city" : "Montreal",
               "country_geonames_id" : 6251999,
               "geonames_city" : {
                  "city" : "Montréal",
                  "geonames_admin1" : {
                     "ascii_name" : "Quebec",
                     "code" : "CA.10",
                     "id" : 6115047,
                     "name" : "Quebec"
                  },
                  "geonames_admin2" : {
                     "ascii_name" : "Montreal",
                     "code" : "CA.10.06",
                     "id" : 6077246,
                     "name" : "Montréal"
                  },
                  "id" : 6077243,
                  "license" : {
                     "attribution" : "Data from geonames.org under a CC-BY 3.0 license",
                     "license" : "http://creativecommons.org/licenses/by/3.0/"
                  },
                  "nuts_level1" : {
                     "code" : null,
                     "name" : null
                  },
                  "nuts_level2" : {
                     "code" : null,
                     "name" : null
                  },
                  "nuts_level3" : {
                     "code" : null,
                     "name" : null
                  }
               },
               "lat" : 45.437374,
               "line" : null,
               "lng" : -73.659299,
               "postcode" : null,
               "primary" : false,
               "state" : "Quebec",
               "state_code" : "CA-QC"
            }
         ],
         "aliases" : [],
         "country" : {
            "country_code" : "CA",
            "country_name" : "Canada"
         },
         "email_address" : null,
         "established" : 1969,
         "external_ids" : {
            "GRID" : {
               "all" : "grid.474071.1",
               "preferred" : "grid.474071.1"
            }
         },
         "id" : "https://ror.org/03zhn2w96",
         "ip_addresses" : [],
         "labels" : [],
         "links" : [
            "http://www.maax.com/en"
         ],
         "name" : "MAAX Bath (Canada)",
         "relationships" : [],
         "status" : "active",
         "types" : [
            "Company"
         ],
         "wikipedia_url" : ""
      },
      {
         "acronyms" : [],
         "addresses" : [
            {
               "city" : "Bath",
               "country_geonames_id" : 6252001,
               "geonames_city" : {
                  "city" : "Bath",
                  "geonames_admin1" : {
                     "ascii_name" : "Maine",
                     "code" : "US.ME",
                     "id" : 4971068,
                     "name" : "Maine"
                  },
                  "geonames_admin2" : {
                     "ascii_name" : "Sagadahoc County",
                     "code" : "US.ME.023",
                     "id" : 4977278,
                     "name" : "Sagadahoc County"
                  },
                  "id" : 4957570,
                  "license" : {
                     "attribution" : "Data from geonames.org under a CC-BY 3.0 license",
                     "license" : "http://creativecommons.org/licenses/by/3.0/"
                  },
                  "nuts_level1" : {
                     "code" : null,
                     "name" : null
                  },
                  "nuts_level2" : {
                     "code" : null,
                     "name" : null
                  },
                  "nuts_level3" : {
                     "code" : null,
                     "name" : null
                  }
               },
               "lat" : 43.893975,
               "line" : null,
               "lng" : -69.815909,
               "postcode" : null,
               "primary" : false,
               "state" : "Maine",
               "state_code" : "US-ME"
            }
         ],
         "aliases" : [
            "Bath Marine Museum"
         ],
         "country" : {
            "country_code" : "US",
            "country_name" : "United States"
         },
         "email_address" : null,
         "established" : 1962,
         "external_ids" : {
            "GRID" : {
               "all" : "grid.447036.2",
               "preferred" : "grid.447036.2"
            },
            "ISNI" : {
               "all" : [
                  "0000 0001 2226 6326"
               ],
               "preferred" : null
            }
         },
         "id" : "https://ror.org/0277k6k46",
         "ip_addresses" : [],
         "labels" : [],
         "links" : [
            "http://www.mainemaritimemuseum.org/"
         ],
         "name" : "Maine Maritime Museum",
         "relationships" : [],
         "status" : "active",
         "types" : [
            "Archive"
         ],
         "wikipedia_url" : "https://en.wikipedia.org/wiki/Maine_Maritime_Museum"
      },
      {
         "acronyms" : [],
         "addresses" : [
            {
               "city" : "Bath",
               "country_geonames_id" : 2635167,
               "geonames_city" : {
                  "city" : "Bath",
                  "geonames_admin1" : {
                     "ascii_name" : "England",
                     "code" : "GB.ENG",
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                     "code" : "GB.ENG",
                     "id" : 6269131,
                     "name" : "England"
                  },
                  "geonames_admin2" : {
                     "ascii_name" : "Bath and North East Somerset",
                     "code" : "GB.ENG.A4",
                     "id" : 3333123,
                     "name" : "Bath and North East Somerset"
                  },
                  "id" : 2656173,
                  "license" : {
                     "attribution" : "Data from geonames.org under a CC-BY 3.0 license",
                     "license" : "http://creativecommons.org/licenses/by/3.0/"
                  },
                  "nuts_level1" : {
                     "code" : "UKK",
                     "name" : "SOUTH WEST (ENGLAND)"
                  },
                  "nuts_level2" : {
                     "code" : "UKK1",
                     "name" : "Gloucestershire, Wiltshire and Bristol/Bath area"
                  },
                  "nuts_level3" : {
                     "code" : "UKK12",
                     "name" : "Bath and North East Somerset, North Somerset and South Gloucestershire"
                  }
               },
               "lat" : 51.35779,
               "line" : null,
               "lng" : -2.372919,
               "postcode" : null,
               "primary" : false,
               "state" : null,
               "state_code" : null
            }
         ],
         "aliases" : [],
         "country" : {
            "country_code" : "GB",
            "country_name" : "United Kingdom"
         },
         "email_address" : null,
         "established" : null,
         "external_ids" : {
            "GRID" : {
               "all" : "grid.476920.e",
               "preferred" : "grid.476920.e"
            }
         },
         "id" : "https://ror.org/00pkb6h65",
         "ip_addresses" : [],
         "labels" : [],
         "links" : [
            "http://www.bathandnortheastsomersetccg.nhs.uk/"
         ],
         "name" : "Bath and North East Somerset Clinical Commissioning Group",
         "relationships" : [],
         "status" : "active",
         "types" : [
            "Healthcare"
         ],
         "wikipedia_url" : ""
      }
   ],
   "meta" : {
      "countries" : [
         {
            "count" : 12,
            "id" : "gb",
            "title" : "United Kingdom"
         },
         {
            "count" : 2,
            "id" : "us",
            "title" : "United States"
         },
         {
            "count" : 1,
            "id" : "ca",
            "title" : "Canada"
         }
      ],
      "types" : [
         {
            "count" : 4,
            "id" : "education",
            "title" : "Education"
         },
         {
            "count" : 3,
            "id" : "healthcare",
            "title" : "Healthcare"
         },
         {
            "count" : 3,
            "id" : "nonprofit",
            "title" : "Nonprofit"
         },
         {
            "count" : 1,
            "id" : "archive",
            "title" : "Archive"
         },
         {
            "count" : 1,
            "id" : "company",
            "title" : "Company"
         },
         {
            "count" : 1,
            "id" : "facility",
            "title" : "Facility"
         },
         {
            "count" : 1,
            "id" : "government",
            "title" : "Government"
         },
         {
            "count" : 1,
            "id" : "other",
            "title" : "Other"
         }
      ]
   },
   "number_of_results" : 15,
   "time_taken" : 9
}

Exact string searching using quotation marks and the query parameter

Keyword searches can produce hundreds or thousands of results, especially when the string contains common terms such as "University," "Health," or "Ministry." Surrounding a string with quotation marks will reduce the number of results in the response, limiting the results to records with exact matches to that string. Quotation marks must be URL-encoded.

See Search strings with spaces below for more explanation.

curl https://api.ror.org/organizations?query=%22Bath%20College%22 | json_pp -json_opt pretty,utf8
{
   "items" : [
      {
         "acronyms" : [],
         "addresses" : [
            {
               "city" : "Bath",
               "country_geonames_id" : 2635167,
               "geonames_city" : {
                  "city" : "Bath",
                  "geonames_admin1" : {
                     "ascii_name" : "England",
                     "code" : "GB.ENG",
                     "id" : 6269131,
                     "name" : "England"
                  },
                  "geonames_admin2" : {
                     "ascii_name" : "Bath and North East Somerset",
                     "code" : "GB.ENG.A4",
                     "id" : 3333123,
                     "name" : "Bath and North East Somerset"
                  },
                  "id" : 2656173,
                  "license" : {
                     "attribution" : "Data from geonames.org under a CC-BY 3.0 license",
                     "license" : "http://creativecommons.org/licenses/by/3.0/"
                  },
                  "nuts_level1" : {
                     "code" : "UKK",
                     "name" : "SOUTH WEST (ENGLAND)"
                  },
                  "nuts_level2" : {
                     "code" : "UKK1",
                     "name" : "Gloucestershire, Wiltshire and Bristol/Bath area"
                  },
                  "nuts_level3" : {
                     "code" : "UKK12",
                     "name" : "Bath and North East Somerset, North Somerset and South Gloucestershire"
                  }
               },
               "lat" : 51.380148,
               "line" : null,
               "lng" : -2.362725,
               "postcode" : null,
               "primary" : false,
               "state" : null,
               "state_code" : null
            }
         ],
         "aliases" : [],
         "country" : {
            "country_code" : "GB",
            "country_name" : "United Kingdom"
         },
         "email_address" : null,
         "established" : 1892,
         "external_ids" : {
            "GRID" : {
               "all" : "grid.468747.e",
               "preferred" : "grid.468747.e"
            },
            "ISNI" : {
               "all" : [
                  "0000 0004 6437 268X"
               ],
               "preferred" : null
            },
            "OrgRef" : {
               "all" : [
                  "11933767"
               ],
               "preferred" : null
            },
            "Wikidata" : {
               "all" : [
                  "Q5123579"
               ],
               "preferred" : null
            }
         },
         "id" : "https://ror.org/00pbyj886",
         "ip_addresses" : [],
         "labels" : [],
         "links" : [
            "https://www.bathcollege.ac.uk/"
         ],
         "name" : "Bath College",
         "relationships" : [],
         "status" : "active",
         "types" : [
            "Education"
         ],
         "wikipedia_url" : "https://en.wikipedia.org/wiki/Bath_College"
      },
      {
         "acronyms" : [],
         "addresses" : [
            {
               "city" : "Bath",
               "country_geonames_id" : 2635167,
               "geonames_city" : {
                  "city" : "Bath",
                  "geonames_admin1" : {
                     "ascii_name" : "England",
                     "code" : "GB.ENG",
                     "id" : 6269131,
                     "name" : "England"
                  },
                  "geonames_admin2" : {
                     "ascii_name" : "Bath and North East Somerset",
                     "code" : "GB.ENG.A4",
                     "id" : 3333123,
                     "name" : "Bath and North East Somerset"
                  },
                  "id" : 2656173,
                  "license" : {
                     "attribution" : "Data from geonames.org under a CC-BY 3.0 license",
                     "license" : "http://creativecommons.org/licenses/by/3.0/"
                  },
                  "nuts_level1" : {
                     "code" : "UKK",
                     "name" : "SOUTH WEST (ENGLAND)"
                  },
                  "nuts_level2" : {
                     "code" : "UKK1",
                     "name" : "Gloucestershire, Wiltshire and Bristol/Bath area"
                  },
                  "nuts_level3" : {
                     "code" : "UKK12",
                     "name" : "Bath and North East Somerset, North Somerset and South Gloucestershire"
                  }
               },
               "lat" : 51.37598,
               "line" : null,
               "lng" : -2.438833,
               "postcode" : null,
               "primary" : false,
               "state" : "Bath and North East Somerset",
               "state_code" : "GB-BAS"
            }
         ],
         "aliases" : [
            "Bath College of Higher Education",
            "Bath Spa University College"
         ],
         "country" : {
            "country_code" : "GB",
            "country_name" : "United Kingdom"
         },
         "email_address" : null,
         "established" : 2005,
         "external_ids" : {
            "FundRef" : {
               "all" : [
                  "100010331"
               ],
               "preferred" : null
            },
            "GRID" : {
               "all" : "grid.252874.e",
               "preferred" : "grid.252874.e"
            },
            "HESA" : {
               "all" : [
                  "0048"
               ],
               "preferred" : null
            },
            "ISNI" : {
               "all" : [
                  "0000 0001 2034 9451"
               ],
               "preferred" : null
            },
            "OrgRef" : {
               "all" : [
                  "818426"
               ],
               "preferred" : null
            },
            "UCAS" : {
               "all" : [
                  "B20"
               ],
               "preferred" : null
            },
            "UKPRN" : {
               "all" : [
                  "10000571"
               ],
               "preferred" : null
            },
            "Wikidata" : {
               "all" : [
                  "Q3091754"
               ],
               "preferred" : null
            }
         },
         "id" : "https://ror.org/0038jbq24",
         "ip_addresses" : [],
         "labels" : [],
         "links" : [
            "https://www.bathspa.ac.uk/"
         ],
         "name" : "Bath Spa University",
         "relationships" : [],
         "status" : "active",
         "types" : [
            "Education"
         ],
         "wikipedia_url" : "http://en.wikipedia.org/wiki/Bath_Spa_University"
      }
   ],
   "meta" : {
      "countries" : [
         {
            "count" : 2,
            "id" : "gb",
            "title" : "United Kingdom"
         }
      ],
      "types" : [
         {
            "count" : 2,
            "id" : "education",
            "title" : "Education"
         }
      ]
   },
   "number_of_results" : 2,
   "time_taken" : 336
}

Searching for external identifiers using the query parameter

The query parameter search approach searches the external_ids field and so can be used to search for ROR records that match an external identifier. Use URL-encoded quotation marks before and after the identifier search string for best results.

curl https://api.ror.org/organizations?query=%22grid.453259.c%22 | json_pp -json_opt pretty,utf8

Because the query parameter search does not search relationships fields, only the single record with the searched-for identifier in the external_ids field will be returned.

{
   "items" : [
      {
         "acronyms" : [],
         "addresses" : [
            {
               "city" : "Townsville",
               "country_geonames_id" : 2077456,
               "geonames_city" : {
                  "city" : "Townsville",
                  "geonames_admin1" : {
                     "ascii_name" : "Queensland",
                     "code" : "AU.04",
                     "id" : 2152274,
                     "name" : "Queensland"
                  },
                  "geonames_admin2" : {
                     "ascii_name" : "Townsville",
                     "code" : "AU.04.37010",
                     "id" : 7839399,
                     "name" : "Townsville"
                  },
                  "id" : 2146142,
                  "license" : {
                     "attribution" : "Data from geonames.org under a CC-BY 3.0 license",
                     "license" : "http://creativecommons.org/licenses/by/3.0/"
                  },
                  "nuts_level1" : {
                     "code" : null,
                     "name" : null
                  },
                  "nuts_level2" : {
                     "code" : null,
                     "name" : null
                  },
                  "nuts_level3" : {
                     "code" : null,
                     "name" : null
                  }
               },
               "lat" : -19.25862,
               "line" : null,
               "lng" : 146.816937,
               "postcode" : null,
               "primary" : false,
               "state" : "Queensland",
               "state_code" : "AU-QLD"
            }
         ],
         "aliases" : [],
         "country" : {
            "country_code" : "AU",
            "country_name" : "Australia"
         },
         "email_address" : null,
         "established" : 2014,
         "external_ids" : {
            "GRID" : {
               "all" : "grid.508402.b",
               "preferred" : "grid.508402.b"
            }
         },
         "id" : "https://ror.org/0249xx705",
         "ip_addresses" : [],
         "labels" : [],
         "links" : [
            "https://reefecologic.org/"
         ],
         "name" : "Reef Ecologic",
         "relationships" : [],
         "status" : "active",
         "types" : [
            "Nonprofit"
         ],
         "wikipedia_url" : ""
      }
   ],
   "meta" : {
      "countries" : [
         {
            "count" : 1,
            "id" : "au",
            "title" : "Australia"
         }
      ],
      "types" : [
         {
            "count" : 1,
            "id" : "nonprofit",
            "title" : "Nonprofit"
         }
      ]
   },
   "number_of_results" : 1,
   "time_taken" : 15
}

📘

Filtering

Query requests can be filtered by the organization's type or country. See Filtering below for information about filtering results.

Affiliation parameter

Designed to identify an organization when given a long search string that contains not just the organization's name, but also extraneous information such as address or the name of a department. Breaks search strings into multiple substrings at spaces and special characters, performs multiple searches of name-related fields only (name, aliases, labels and acronym) using several different search algorithms, and returns the best result(s) based on matching score using the format https://api.ror.org/organizations?affiliation=<URL-encoded string>. If a country name or ISO code is included, results are limited to records with that country in the country field.

Can match messy strings to ROR IDs at about 85% efficacy depending on implementation. Because of the high number of same/similar names among research institutions globally, we recommend human review of matches.

  • Only results with a matching score of at least .5 are returned.
  • The value of the affiliation parameter must be URL-encoded
  • Affiliation parameter search results are NOT paginated, as this approach typically returns a small number of results
curl https://api.ror.org/organizations?affiliation=Department%20of%20Civil%20and%20Industrial%20Engineering%2C%20University%20of%20Pisa%2C%20Largo%20Lucio%20Lazzarino%202%2C%20Pisa%2056126%2C%20Italy
curl https://api.ror.org/organizations?affiliation=UCL%20School%20of%20Slavonic%20and%20East%20European%20Studies

The response is a JSON object that contains an array of items with the following fields:

  • organization: ROR record for matched organization
  • substring: substring of the supplied string that generated this match
  • score: matching confidence score, with values between 0 and 1 (inclusive)
  • chosen: binary indicator of whether the score is high enough to consider the organization correctly matched
  • matching_type: type of matching algorithm applied in this case, possible values:
    • PHRASE: the entire phrase matched to a variant of the organization's name
    • COMMON TERMS: the matching was done by comparing the words separately
    • FUZZY: the matching was done by fuzzy-comparing the words separately
    • HEURISTICS: "University of X" was matched to "X University"
    • ACRONYM: matched by acronym
    • EXACT: exact match of the entered string in name, aliases, labels or acronyms fields

📘

Is it a match?

When using affiliation matching, look for results with "chosen": true if you want a simple approach to choosing the best match. When there's no result with "chosen": true it can mean either that there are either no particularly good matches or that there are several good matches, but no clear winner. If there is no result with "chosen": true, some additional review (either by humans or machines) is almost always needed.

{
   "items" : [
      {
         "chosen" : true,
         "matching_type" : "COMMON TERMS",
         "organization" : {
            "acronyms" : [
               "UniPi"
            ],
            "addresses" : [
               {
                  "city" : "Pisa",
                  "country_geonames_id" : 3175395,
                  "geonames_city" : {
                     "city" : "Pisa",
                     "geonames_admin1" : {
                        "ascii_name" : "Tuscany",
                        "code" : "IT.16",
                        "id" : 3165361,
                        "name" : "Tuscany"
                     },
                     "geonames_admin2" : {
                        "ascii_name" : "Province of Pisa",
                        "code" : "IT.16.PI",
                        "id" : 3170646,
                        "name" : "Province of Pisa"
                     },
                     "id" : 3170647,
                     "license" : {
                        "attribution" : "Data from geonames.org under a CC-BY 3.0 license",
                        "license" : "http://creativecommons.org/licenses/by/3.0/"
                     },
                     "nuts_level1" : {
                        "code" : "ITI",
                        "name" : "CENTRO (IT)"
                     },
                     "nuts_level2" : {
                        "code" : "ITI1",
                        "name" : "Toscana"
                     },
                     "nuts_level3" : {
                        "code" : "ITI17",
                        "name" : "Pisa"
                     }
                  },
                  "lat" : 43.716429,
                  "line" : null,
                  "lng" : 10.398687,
                  "postcode" : null,
                  "primary" : false,
                  "state" : "Toscana",
                  "state_code" : "IT-52"
               }
            ],
            "aliases" : [],
            "country" : {
               "country_code" : "IT",
               "country_name" : "Italy"
            },
            "email_address" : "",
            "established" : 1343,
            "external_ids" : {
               "FundRef" : {
                  "all" : [
                     "501100007514"
                  ],
                  "preferred" : null
               },
               "GRID" : {
                  "all" : "grid.5395.a",
                  "preferred" : "grid.5395.a"
               },
               "ISNI" : {
                  "all" : [
                     "0000 0004 1757 3729"
                  ],
                  "preferred" : null
               },
               "OrgRef" : {
                  "all" : [
                     "453158"
                  ],
                  "preferred" : null
               },
               "Wikidata" : {
                  "all" : [
                     "Q645663"
                  ],
                  "preferred" : null
               }
            },
            "id" : "https://ror.org/03ad39j10",
            "ip_addresses" : [],
            "labels" : [
               {
                  "iso639" : "it",
                  "label" : "Università di Pisa"
               },
               {
                  "iso639" : "de",
                  "label" : "Universität Pisa"
               },
               {
                  "iso639" : "fr",
                  "label" : "Université de Pise"
               }
            ],
            "links" : [
               "http://www.unipi.it/"
            ],
            "name" : "University of Pisa",
            "relationships" : [
               {
                  "id" : "https://ror.org/00mc91w09",
                  "label" : "Ospedale Cisanello",
                  "type" : "Related"
               }
            ],
            "status" : "active",
            "types" : [
               "Education"
            ],
            "wikipedia_url" : "http://en.wikipedia.org/wiki/University_of_Pisa"
         },
         "score" : 1,
         "substring" : "Department of Civil and Industrial Engineering University of Pisa Largo Lucio Lazzarino 2 Pisa  Italy"
      },
      {
         "chosen" : false,
         "matching_type" : "COMMON TERMS",
         "organization" : {
            "acronyms" : [],
            "addresses" : [
               {
                  "city" : "Pisa",
                  "country_geonames_id" : 3175395,
                  "geonames_city" : {
                     "city" : "Pisa",
                     "geonames_admin1" : {
                        "ascii_name" : "Tuscany",
                        "code" : "IT.16",
                        "id" : 3165361,
                        "name" : "Tuscany"
                     },
                     "geonames_admin2" : {
                        "ascii_name" : "Pisa",
                        "code" : "IT.16.PI",
                        "id" : 3170646,
                        "name" : "Pisa"
                     },
                     "id" : 3170647,
                     "license" : {
                        "attribution" : "Data from geonames.org under a CC-BY 3.0 license",
                        "license" : "http://creativecommons.org/licenses/by/3.0/"
                     },
                     "nuts_level1" : {
                        "code" : null,
                        "name" : null
                     },
                     "nuts_level2" : {
                        "code" : null,
                        "name" : null
                     },
                     "nuts_level3" : {
                        "code" : null,
                        "name" : null
                     }
                  },
                  "lat" : 43.70853,
                  "line" : null,
                  "lng" : 10.4036,
                  "postcode" : null,
                  "primary" : false,
                  "state" : null,
                  "state_code" : null
               }
            ],
            "aliases" : [],
            "country" : {
               "country_code" : "IT",
               "country_name" : "Italy"
            },
            "email_address" : null,
            "established" : null,
            "external_ids" : {
               "GRID" : {
                  "all" : "grid.144189.1",
                  "preferred" : "grid.144189.1"
               },
               "ISNI" : {
                  "all" : [
                     "0000 0004 1756 8209"
                  ],
                  "preferred" : null
               }
            },
            "id" : "https://ror.org/05xrcj819",
            "ip_addresses" : [],
            "labels" : [
               {
                  "iso639" : "en",
                  "label" : "University Hospital of Pisa"
               }
            ],
            "links" : [
               "http://www.ao-pisa.toscana.it/"
            ],
            "name" : "Azienda Ospedaliera Universitaria Pisana",
            "relationships" : [
               {
                  "id" : "https://ror.org/00mc91w09",
                  "label" : "Ospedale Cisanello",
                  "type" : "Child"
               },
               {
                  "id" : "https://ror.org/04069k268",
                  "label" : "ERN ReCONNET",
                  "type" : "Related"
               }
            ],
            "status" : "active",
            "types" : [
               "Healthcare"
            ],
            "wikipedia_url" : ""
         },
         "score" : 0.8,
         "substring" : "University of Pisa"
      },
      {
         "chosen" : false,
         "matching_type" : "FUZZY",
         "organization" : {
            "acronyms" : [],
            "addresses" : [
               {
                  "city" : "Rome",
                  "country_geonames_id" : 3175395,
                  "geonames_city" : {
                     "city" : "Rome",
                     "geonames_admin1" : {
                        "ascii_name" : "Latium",
                        "code" : "IT.07",
                        "id" : 3174976,
                        "name" : "Latium"
                     },
                     "geonames_admin2" : {
                        "ascii_name" : "Citta metropolitana di Roma Capitale",
                        "code" : "IT.07.RM",
                        "id" : 3169069,
                        "name" : "Città metropolitana di Roma Capitale"
                     },
                     "id" : 3169070,
                     "license" : {
                        "attribution" : "Data from geonames.org under a CC-BY 3.0 license",
                        "license" : "http://creativecommons.org/licenses/by/3.0/"
                     },
                     "nuts_level1" : {
                        "code" : "ITI",
                        "name" : "CENTRO (IT)"
                     },
                     "nuts_level2" : {
                        "code" : "ITI4",
                        "name" : "Lazio"
                     },
                     "nuts_level3" : {
                        "code" : "ITI43",
                        "name" : "Roma"
                     }
                  },
                  "lat" : 41.899923,
                  "line" : null,
                  "lng" : 12.458225,
                  "postcode" : null,
                  "primary" : false,
                  "state" : null,
                  "state_code" : null
               }
            ],
            "aliases" : [
               "Urbaniana"
            ],
            "country" : {
               "country_code" : "IT",
               "country_name" : "Italy"
            },
            "email_address" : null,
            "established" : 1627,
            "external_ids" : {
               "GRID" : {
                  "all" : "grid.449323.b",
                  "preferred" : "grid.449323.b"
               },
               "ISNI" : {
                  "all" : [
                     "0000 0004 1797 7432"
                  ],
                  "preferred" : null
               },
               "OrgRef" : {
                  "all" : [
                     "7922067"
                  ],
                  "preferred" : null
               },
               "Wikidata" : {
                  "all" : [
                     "Q2032536"
                  ],
                  "preferred" : null
               }
            },
            "id" : "https://ror.org/01yjpt684",
            "ip_addresses" : [],
            "labels" : [
               {
                  "iso639" : "de",
                  "label" : "Päpstliche Universität Urbaniana"
               },
               {
                  "iso639" : "fr",
                  "label" : "Université pontificale urbaniana"
               },
               {
                  "iso639" : "it",
                  "label" : "Pontificia Università Urbaniana"
               }
            ],
            "links" : [
               "http://www.urbaniana.edu/"
            ],
            "name" : "Pontifical Urban University",
            "relationships" : [],
            "status" : "active",
            "types" : [
               "Education"
            ],
            "wikipedia_url" : "https://en.wikipedia.org/wiki/Pontifical_Urban_University"
         },
         "score" : 0.67,
         "substring" : "University of Pisa"
      },
      {
         "chosen" : false,
         "matching_type" : "COMMON TERMS",
         "organization" : {
            "acronyms" : [],
            "addresses" : [
               {
                  "city" : "Rome",
                  "country_geonames_id" : 3175395,
                  "geonames_city" : {
                     "city" : "Rome",
                     "geonames_admin1" : {
                        "ascii_name" : "Lazio",
                        "code" : "IT.07",
                        "id" : 3174976,
                        "name" : "Lazio"
                     },
                     "geonames_admin2" : {
                        "ascii_name" : "Rome",
                        "code" : "IT.07.RM",
                        "id" : 3169069,
                        "name" : "Rome"
                     },
                     "id" : 3169070,
                     "license" : {
                        "attribution" : "Data from geonames.org under a CC-BY 3.0 license",
                        "license" : "http://creativecommons.org/licenses/by/3.0/"
                     },
                     "nuts_level1" : {
                        "code" : null,
                        "name" : null
                     },
                     "nuts_level2" : {
                        "code" : null,
                        "name" : null
                     },
                     "nuts_level3" : {
                        "code" : null,
                        "name" : null
                     }
                  },
                  "lat" : 41.89193,
                  "line" : null,
                  "lng" : 12.51133,
                  "postcode" : null,
                  "primary" : false,
                  "state" : null,
                  "state_code" : null
               }
            ],
            "aliases" : [],
            "country" : {
               "country_code" : "IT",
               "country_name" : "Italy"
            },
            "email_address" : null,
            "established" : 1982,
            "external_ids" : {
               "FundRef" : {
                  "all" : [
                     "100012783"
                  ],
                  "preferred" : "100012783"
               },
               "GRID" : {
                  "all" : "grid.425554.7",
                  "preferred" : "grid.425554.7"
               },
               "ISNI" : {
                  "all" : [
                     "0000 0004 1773 7551"
                  ],
                  "preferred" : null
               }
            },
            "id" : "https://ror.org/050xp5d36",
            "ip_addresses" : [],
            "labels" : [
               {
                  "iso639" : "en",
                  "label" : "Civil Protection Department"
               }
            ],
            "links" : [
               "http://www.protezionecivile.gov.it/jcms/en/homepage.wp"
            ],
            "name" : "Dipartimento della Protezione Civile",
            "relationships" : [],
            "status" : "active",
            "types" : [
               "Government"
            ],
            "wikipedia_url" : ""
         },
         "score" : 0.58,
         "substring" : "Department of Civil and Industrial Engineering"
      },
      {
         "chosen" : false,
         "matching_type" : "COMMON TERMS",
         "organization" : {
            "acronyms" : [],
            "addresses" : [
               {
                  "city" : "Pisa",
                  "country_geonames_id" : 3175395,
                  "geonames_city" : {
                     "city" : "Pisa",
                     "geonames_admin1" : {
                        "ascii_name" : "Tuscany",
                        "code" : "IT.16",
                        "id" : 3165361,
                        "name" : "Tuscany"
                     },
                     "geonames_admin2" : {
                        "ascii_name" : "Province of Pisa",
                        "code" : "IT.16.PI",
                        "id" : 3170646,
                        "name" : "Province of Pisa"
                     },
                     "id" : 3170647,
                     "license" : {
                        "attribution" : "Data from geonames.org under a CC-BY 3.0 license",
                        "license" : "http://creativecommons.org/licenses/by/3.0/"
                     },
                     "nuts_level1" : {
                        "code" : "ITI",
                        "name" : "CENTRO (IT)"
                     },
                     "nuts_level2" : {
                        "code" : "ITI1",
                        "name" : "Toscana"
                     },
                     "nuts_level3" : {
                        "code" : "ITI17",
                        "name" : "Pisa"
                     }
                  },
                  "lat" : 43.721529,
                  "line" : null,
                  "lng" : 10.40824,
                  "postcode" : null,
                  "primary" : false,
                  "state" : null,
                  "state_code" : null
               }
            ],
            "aliases" : [
               "Istituto Nazionale di Fisica Nucleare Sezione di Pisa"
            ],
            "country" : {
               "country_code" : "IT",
               "country_name" : "Italy"
            },
            "email_address" : null,
            "established" : null,
            "external_ids" : {
               "GRID" : {
                  "all" : "grid.470216.6",
                  "preferred" : "grid.470216.6"
               },
               "Wikidata" : {
                  "all" : [
                     "Q30265297"
                  ],
                  "preferred" : null
               }
            },
            "id" : "https://ror.org/05symbg58",
            "ip_addresses" : [],
            "labels" : [],
            "links" : [
               "http://www.pi.infn.it/"
            ],
            "name" : "INFN Sezione di Pisa",
            "relationships" : [
               {
                  "id" : "https://ror.org/005ta0471",
                  "label" : "National Institute for Nuclear Physics",
                  "type" : "Parent"
               },
               {
                  "id" : "https://ror.org/00x27da85",
                  "label" : "University of Perugia",
                  "type" : "Parent"
               }
            ],
            "status" : "active",
            "types" : [
               "Facility"
            ],
            "wikipedia_url" : ""
         },
         "score" : 0.55,
         "substring" : "Department of Civil and Industrial Engineering University of Pisa Largo Lucio Lazzarino 2 Pisa  Italy"
      }
   ],
   "number_of_results" : 5
}

🚧

No paging or filtering for affiliation searches

The affiliation parameter does not need paging and does not accept filters. When filter syntax is added to the end of an affiliation search, the terms will be treated as part of the affiliation search. All results will be returned, not just the first 20.

Advanced search

📘

Complete API advanced search guide

See our API advanced search guide for complete documentation and examples.

Allows searching all ROR record fields. Complex queries using field names, wildcards, boolean operators, etc can be constructed using Elastic Search query string syntax. Uses the format https://api.ror.org/organizations?query.advanced=<field name>:<search term>. Advanced searches return the first 20 results and can be filtered.

curl 'https://api.ror.org/organizations?query.advanced=name:Harvard%20University'

Paging

The ROR API returns a maximum of 20 results per page for query and advanced query searches, beginning at page 1. If metadata.number_of_results is greater than 20, retrieve subsequent records using the format https://api.ror.org/organizations?page=<page number>

❗️

Pagination limited to 500 pages

Elastic Search has an inherent upper limit of 10,000 results, which means that it is currently not possible to retrieve pages beyond page 500. If you need to use the entire ROR dataset in your application, please download the data dump If you send a request for a page beyond 500, you will receive a 200 status, but an error response like {"errors":["page '5144' outside of range 1-500”]}

curl https://api.ror.org/organizations?page=2

To determine how many pages you will need to retrieve in order to obtain your entire result set, check metadata.number_of_results and divide by 20. Regardless of which page you are on, metadata.number_of_results indicates the total number of results returned by your request or query.

🚧

No paging with affiliation searching

Affiliation searches return all results, not just the first 20, so results do not need to be paged.

Filtering

ROR API results for query and advanced query searches can be filtered by organization type, country code, or country name using the filter parameter with types, country.country_code, country.country_name or status

  • Uses the format https://api.ror.org/organizations?filter=<filter>:<value>.
  • Country codes are those in the ISO 3166 alpha-2 list.

Available organization types:

  • Education
  • Healthcare
  • Company
  • Archive
  • Nonprofit
  • Government
  • Facility
  • Other

Available statuses:

  • active
  • inactive
  • withdrawn
curl https://api.ror.org/organizations?filter=types:Facility

curl https://api.ror.org/organizations?filter=country.country_code:GB

curl https://api.ror.org/organizations?filter=country.country_name:France

curl https://api.ror.org/organizations?filter=status:inactive

You can combine multiple filters in a single request.

curl https://api.ror.org/organizations?filter=types:Facility,country.country_code:GB

You can add filters to query parameter searches.

curl https://api.ror.org/organizations?query=bath&filter=types:Facility,country.country_code:GB

You can add filters to advanced query parameter searches.

curl https://api.ror.org/organizations?query.advanced=name:Harvard%20University&filter=types:Education

🚧

No filtering with affiliation searching

The affiliation parameter does not accept filters. When filter syntax is added to the end of an affiliation search, the terms will be treated as part of the affiliation search.

Special characters

Some organization names contain characters like &, (), : and /, which have special meaning in URI syntax, Elasticsearch syntax or both. To avoid error responses or special characters being interpreted as part of a complex Elasticsearch query:

Example queries for organization names with special characters:

Harvard University/MGH

curl https://api.ror.org/organizations?query=Harvard%20University%5C%2FMGH

Franklin & Marshall College

Rolls-Royce (United Kingdom)

https://api.ror.org/organizations?query=Rolls%5C-Royce%20%5C%28United%20Kingdom%5C%29
curl https://api.ror.org/organizations?query=Franklin%20%26%20Marshall%20College

Search strings with spaces

Elasticsearch query string syntax will treat words separated by a space as separate parts of a query. It is therefore advisable to surround multi-word search terms of the ROR API with URL-encoded quotation marks.

Compare the following searches to see the difference quotation marks make for search strings with spaces:

https://api.ror.org/organizations?query=Bath+College (4587 results)
https://api.ror.org/organizations?query=%22Bath+College%22 (2 results)

The first query looks for both the term "Bath" and term "College" and produces many results because the term "College" appears in many organization names. The second query looks for the exact term "Bath College" and retrieves only records including that precise phrase.

Record status

As of 1 Dec, 2022 API search/list responses return only records with a status of active by default (see release notes).

Add the query parameter ?all_status to return records with all statuses (active, inactive, withdrawn). ?all_status can be used with ?query, ?query.advanced and ?affiliation searches.

See {ROR data structure](https://ror.readme.io/docs/ror-data-structure#status) for more information about record status.

Examples: ?all_status parameter

curl https://api.ror.org/organizations?all_status
curl https://api.ror.org/organizations?query=university&all_status
curl https://api.ror.org/organizations?query.advanced=name:Laboratory+of+Hydrology+and+Geochemistry&all_status
curl https://api.ror.org/organizations?affiliation=Laboratory+of+Hydrology+and+Geochemistry?all_status

Alternately, you can retrieve records with a given status using filters. Note that filters cannot be used with ?affiliation searches.

Examples: Filter by status

Multiple filters can be used, and filters can be combined with ?query and ?query.advanced searches. Filters cannot be used with ?affiliation searches. See filtering above for more information.

curl https://api.ror.org/organizations?filter=status:inactive
curl https://api.ror.org/organizations?filter=status:inactive,status:withdrawn
curl https://api.ror.org/organizations?filter=status:inactive,status:withdrawn,country.country_code:us
curl 'https://api.ror.org/organizations?query=International+Union&filter=status:inactive,status:withdrawn'

Requests or searches for a specific record by its exact ROR ID will return the record regardless of its status without need for the ?all_status parameter or filters.

Successor organizations

Records with a status of inactive or withdrawn may have one or more successor organizations listed in their relationships. Successor relationships indicate that another organization continues the work of an organization that has become inactive or has been withdrawn. Depending on your use case you may wish to update references to inactive ROR records in your system(s) to the corresponding Successor organization(s).

See ROR data structure for more information about relationships.

"relationships":[
  {
    "label":"Viavi Solutions (United States)",
    "type":"Successor",
    "id":"https://ror.org/059a9e323"
  }
]