Algorithmically related papers for a DOI (OpenAlex) API

Resolves OpenAlex's related_works (co-citation / shared-reference neighbours) into titled, citation-ranked papers. Answers 'what else should I read alongside this paper?', 'what are its nearest neighbours in the literature graph?'.

Price$0.01per request

MethodPOST

Route/v1/science/scholar-related-works

StatusLive

MIME typeapplication/json

Rate limit60/minute

Cache86400s public

sciencescholarrelatedrecommendationopenalexgraphco-citation

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

Integration docs

Example request

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

Example response

{
  "doi": "10.1038/nature12373",
  "title": "Nanometre-scale thermometry in a living cell",
  "relatedCount": 3,
  "related": [
    {
      "title": "A comparison study of measured values and subjective experience of mercury thermometer and tympanic thermometer",
      "year": 1998,
      "citations": 1,
      "doi": null,
      "venue": "The Journal of Korean Academic Society of Nursing Education",
      "openAlexId": "https://openalex.org/W284937103"
    }
  ]
}

Input schema

{
  "type": "object",
  "required": [
    "doi"
  ],
  "properties": {
    "doi": {
      "type": "string"
    },
    "limit": {
      "type": "integer",
      "minimum": 1,
      "maximum": 25,
      "default": 10
    }
  }
}

Output schema

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