Reference list of a paper (Crossref) + DOI resolve rate API

Returns the works a paper CITES (its bibliography) from Crossref, normalized with DOIs, journals, authors and years, plus a derived share of references that carry a resolvable DOI. Answers 'what does this paper cite?', 'how many of its references are machine-resolvable?'.

Price$0.01per request

MethodPOST

Route/v1/science/scholar-references

StatusLive

MIME typeapplication/json

Rate limit60/minute

Cache86400s public

sciencescholarcitationsreferencescrossrefbibliographygraphdoi

API URLhttps://x402.hexl.dev/v1/science/scholar-references

Integration docs

Example request

{
  "doi": "10.1038/nature12373",
  "limit": 4
}

Example response

{
  "doi": "10.1038/nature12373",
  "title": "Nanometre-scale thermometry in a living cell",
  "referencesCount": 30,
  "referencesReturned": 4,
  "doiResolvableCount": 29,
  "doiResolveRate": 96.7,
  "references": [
    {
      "key": "BFnature12373_CR2",
      "doi": "10.1038/nature03509",
      "title": null,
      "journal": "Nature",
      "author": "E Lucchetta",
      "year": 2005,
      "unstructured": null
    },
    {
      "key": "BFnature12373_CR3",
      "doi": "10.1016/j.cell.2009.11.006",
      "title": null,
      "journal": "Cell",
      "author": "SV Kumar",
      "year": 2010,
      "unstructured": null
    }
  ]
}

Input schema

{
  "type": "object",
  "required": [
    "doi"
  ],
  "properties": {
    "doi": {
      "type": "string",
      "description": "DOI, e.g. 10.1038/nature12373"
    },
    "limit": {
      "type": "integer",
      "minimum": 1,
      "maximum": 100,
      "default": 25
    }
  }
}

Output schema

{
  "type": "object",
  "additionalProperties": true
}