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fastCRW Pergamon
Research · US

Crossref

api.crossref.org

Scholarly metadata for over 150 million works: DOIs, titles, authors, funders, references and journals.

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1Request

A DOI with its prefix and suffix, slash included.

1 credit⌘ ↵
Code follows the fields above
curl "https://api.fastcrw.com/v1/data/crossref/agency?doi=10.1038%2Fnature12373" \
  -H "Authorization: Bearer $FASTCRW_API_KEY"

2Response example

A sample shape. Press Run to see live data from Crossref.

JSON
{
  "status": "ok",
  "message-type": "work-agency",
  "message-version": "1.0.0",
  "message": {
    "DOI": "10.1038/nature12373",
    "agency": {
      "id": "crossref",
      "label": "Crossref"
    }
  }
}

Attribution: Source: Crossref

Licence: Crossref any-purpose statement: almost none of the metadata is subject to copyright, and you may use it for any purpose.

Ask with this source

A prompt for your agent that names this source and how to call it through the crw MCP.

  • Registration agency for a DOI

    Use Crossref (crossref) from fastCRW Pergamon, capability "Registration agency for a DOI" (agency). A DOI lookup against Crossref failed and you need to know whether the DOI belongs to Crossref at all before trying DataCite. Example options: doi=10.1038/nature12373. Use the crw MCP tools: crw_find_data to confirm the source and its options, then crw_get_data with provider "crossref" and capability "agency". Tell me the credits used and cite the licence from the response. If the crw MCP tools are missing, install them with: npx -y crw-mcp install --api-key <your fastCRW API key>

  • Funder by ID

    Use Crossref (crossref) from fastCRW Pergamon, capability "Funder by ID" (funder). You have a funder id and want its canonical name or the child agencies underneath it. Example options: id=100000001. Use the crw MCP tools: crw_find_data to confirm the source and its options, then crw_get_data with provider "crossref" and capability "funder". Tell me the credits used and cite the licence from the response. If the crw MCP tools are missing, install them with: npx -y crw-mcp install --api-key <your fastCRW API key>

  • Search funders

    Use Crossref (crossref) from fastCRW Pergamon, capability "Search funders" (funders). You have a funding body's name and need its Funder Registry id before looking up what it funded. Example options: query=national science foundation, rows=20, offset=20. Use the crw MCP tools: crw_find_data to confirm the source and its options, then crw_get_data with provider "crossref" and capability "funders". Tell me the credits used and cite the licence from the response. If the crw MCP tools are missing, install them with: npx -y crw-mcp install --api-key <your fastCRW API key>

  • Works funded by a funder

    Use Crossref (crossref) from fastCRW Pergamon, capability "Works funded by a funder" (funder-works). You want the publications a given funding body paid for, for impact or compliance reporting. Example options: id=100000001, filter=from-pub-date:2026-01-01, rows=20. Use the crw MCP tools: crw_find_data to confirm the source and its options, then crw_get_data with provider "crossref" and capability "funder-works". Tell me the credits used and cite the licence from the response. If the crw MCP tools are missing, install them with: npx -y crw-mcp install --api-key <your fastCRW API key>