Crossref scholarly work search

What you receive

Demonstration data only. The paid endpoint returns a fresh result and settlement receipt.

{
  "request_id": "018f1f54-7f38-7ba2-8dc3-5f90272d9f1a",
  "service": "research.crossref-work-search",
  "version": "1",
  "data": {
    "query": {
      "bibliographic": "agentic commerce payment protocols",
      "workType": "journal-article",
      "publishedFrom": null,
      "publishedUntil": null,
      "sortBy": "relevance"
    },
    "totalResults": 1,
    "resultsReturned": 1,
    "results": [
      {
        "doi": "10.1000/apiacre.example",
        "title": "A bounded example scholarly work",
        "type": "journal-article",
        "publishedDate": "2026-08-20",
        "authors": [
          {
            "name": "Ada Example",
            "given": "Ada",
            "family": "Example",
            "orcid": null,
            "affiliations": [
              "Example Institute"
            ]
          }
        ],
        "publisher": "Example Publisher",
        "containerTitle": "Agent Systems",
        "subjects": [
          "Software agents"
        ],
        "language": "en",
        "doiUrl": "https://doi.org/10.1000/apiacre.example",
        "resourceUrl": "https://api.crossref.org/works/10.1000%2Fapiacre.example",
        "referenceCount": 8,
        "citedByCount": 12,
        "issn": [
          "0000-0000"
        ],
        "isbn": [],
        "licenses": [],
        "updates": []
      }
    ],
    "source": "https://api.crossref.org/works",
    "retrievedAt": "2026-08-20T12:00:00+00:00",
    "documentation": "https://www.crossref.org/documentation/retrieve-metadata/rest-api/",
    "metadataLicense": {
      "name": "Open bibliographic metadata / Crossref-generated data CC0",
      "url": "https://www.crossref.org/documentation/retrieve-metadata/",
      "abstractsReturned": false
    },
    "limitations": [
      "Demonstration metadata only; paid calls return current publisher-deposited records.",
      "Abstracts and full text are deliberately excluded."
    ]
  },
  "meta": {
    "duration_ms": 42,
    "cached": false,
    "sources": [],
    "warnings": [],
    "next_actions": [
      {
        "service": "research.crossref-doi-metadata",
        "title": "Crossref DOI metadata enrichment",
        "reason": "Resolve one selected scholarly-search candidate into a focused current DOI metadata record.",
        "method": "POST",
        "path": "/v1/research/crossref-doi-metadata",
        "price": "$0.003",
        "input_template": {
          "doi": "$result.data.results[0].doi"
        },
        "use_output": "Continue only after selecting the intended result; inspect correction or update links and source limitations before relying on the record.",
        "handoff_path": "/catalog/research.crossref-doi-metadata",
        "checkout_path": "/try/research.crossref-doi-metadata",
        "sample_path": "/samples/research.crossref-doi-metadata",
        "maximum_atomic_usdc": "3000",
        "handoff_payment_required": false,
        "executes_automatically": false,
        "authorization_required": true
      }
    ]
  }
}