Journal standing by ISSN with a derived tier (OpenAlex) API

Resolves an ISSN to an OpenAlex source and returns h-index, i10, 2-year mean citedness (impact-factor-like), open-access / DOAJ / APC status, plus a derived standing tier (elite / high / established / emerging / low-signal). Answers 'how prestigious is this journal?', 'what tier is this venue and is it open access?'.

Price$0.01per request

MethodPOST

Route/v1/science/scholar-journal-metrics

StatusLive

MIME typeapplication/json

Rate limit60/minute

Cache86400s public

sciencescholarjournalissnmetricsimpact-factoropenalextier

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

Integration docs

Example request

{
  "issn": "0028-0836"
}

Example response

{
  "issn": "0028-0836",
  "name": "Nature",
  "publisher": "Nature Portfolio",
  "type": "journal",
  "worksCount": 448732,
  "citedByCount": 26921050,
  "hIndex": 1841,
  "i10Index": 120054,
  "impactFactor2yr": 16.73,
  "isOpenAccess": false,
  "inDoaj": false,
  "apcUsd": 11690,
  "tier": "elite",
  "tierRationale": "h-index 1841, 2yr mean citedness 16.73 over 448,732 works",
  "homepage": "https://www.nature.com/nature/"
}

Input schema

{
  "type": "object",
  "required": [
    "issn"
  ],
  "properties": {
    "issn": {
      "type": "string",
      "description": "ISSN with check digit, e.g. 0028-0836"
    }
  }
}

Output schema

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