Papers that CITE a given work, ranked by influence (OpenAlex) API

Returns the downstream citation graph for a DOI: the works that cite it, ranked by citation count (or recency), via OpenAlex's cites: filter. Answers 'who cites this paper?', 'what is the most influential follow-up work?'.

Price$0.01per request

MethodPOST

Route/v1/science/scholar-citing-papers

StatusLive

MIME typeapplication/json

Rate limit60/minute

Cache86400s public

sciencescholarcitationscitingopenalexgraphdownstreaminfluence

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

Integration docs

Example request

{
  "doi": "10.1038/nature12373",
  "limit": 3
}

Example response

{
  "doi": "10.1038/nature12373",
  "title": "Nanometre-scale thermometry in a living cell",
  "citedByCount": 1953,
  "citingReturned": 3,
  "sortedBy": "cited_by_count",
  "citingPapers": [
    {
      "title": "Quantum sensing",
      "year": 2017,
      "citations": 3838,
      "doi": "https://doi.org/10.1103/revmodphys.89.035002",
      "venue": "Reviews of Modern Physics",
      "openAlexId": "https://openalex.org/W3037447387"
    },
    {
      "title": "Nanoparticles for photothermal therapies",
      "year": 2014,
      "citations": 1893,
      "doi": "https://doi.org/10.1039/c4nr00708e",
      "venue": "Nanoscale",
      "openAlexId": "https://openalex.org/W2131935157"
    }
  ]
}

Input schema

{
  "type": "object",
  "required": [
    "doi"
  ],
  "properties": {
    "doi": {
      "type": "string"
    },
    "limit": {
      "type": "integer",
      "minimum": 1,
      "maximum": 50,
      "default": 10
    },
    "sort": {
      "type": "string",
      "enum": [
        "citations",
        "recent"
      ],
      "default": "citations"
    }
  }
}

Output schema

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