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Crossref Metadata Search

Scholarly metadata for tens of millions of DOIs

📖 Books & WordsUNMONITOREDchecked 58 min ago
AUTH NONECORS ✓AGENT ✓HTTPS ✓COMMERCIAL ✓

Look up bibliographic metadata for academic works by DOI or free-text query across journal articles, books, datasets and more. Returns publisher, authors, titles, reference counts and citation links. Free public pool with no key; add a mailto for the faster polite pool.

—HOW IT'S SCORED ⓘ
▶ Run liveDocs ↗
Status badge · for your READMEshipapis health badge: — · unmonitored
Uptime history
—%90 days
—%30 days
—P50 · ms
—P95 · ms
operationalpartialdownno data
Live response samplecaptured by our last successful check
GET https://api.crossref.org/works/10.1037/0003-066X.59.1.29

{
  "status": "ok",
  "message-type": "work",
  "message": {
    "DOI": "10.1037/0003-066x.59.1.29",
    "type": "journal-article",
    "title": [
      "How the Mind Hurts and Heals the Body."
    ],
    "publisher": "American Psychological Association (APA)",
    "is-referenced-by-count": 110
  }
}
Call itcurl · fetch · python
curl "https://api.crossref.org/works/10.1037/0003-066X.59.1.29"
const res = await fetch("https://api.crossref.org/works/10.1037/0003-066X.59.1.29");
const data = await res.json();
console.log(data);
import requests

res = requests.get("https://api.crossref.org/works/10.1037/0003-066X.59.1.29")
print(res.json())
Endpoints · 6On scheduleFULL DOCS ↗
First rollup pending — GET /works/10.1037/0003-066X.59.1.29 has been probed
GET/works/10.1037/0003-066X.59.1.29PROBED

Scholarly metadata for tens of millions of DOIs

GET/works

Works — documented GET route.

GET/works/1

Works details by ID (example: 1).

GET/works?limit=10

Works — documented GET route.

GET/works/search?q=test

Search by query parameters.

GET/funders

Funders — documented GET route.

Machine-readable spec

We probe a documented GET and expect 2xx JSON — full uptime and health score. Export includes every documented route below.

Response-shape history

Stable. No schema drift observed since monitoring began — the response shape has not changed under our checks.

Crossref Metadata Search: common questions

Is Crossref Metadata Search free to use?

Yes — Crossref Metadata Search is a free books & words API. Free tier: Free, no key (public pool). Commercial use is allowed on the free tier.

Does Crossref Metadata Search need an API key?

No — Crossref Metadata Search needs no API key or signup. You can call it straight away; rate limits still apply (5 requests/second, 1 concurrent (public pool, per X-Rate-Limit headers)).

Can I call Crossref Metadata Search from the browser?

Yes — Crossref Metadata Search returns CORS headers over HTTPS, so front-end code can fetch it directly with no backend proxy. Use the fetch snippet on this page, or hit "Run live" to try it now.

Is Crossref Metadata Search up right now?

As of our last scheduled check, Crossref Metadata Search is unmonitored. We re-probe it every sweep — the status badge and uptime chart above always show the latest.