Crossref

📸 Real response, captured by us

Not a mockup — this is what Crossref actually returned when we verified it on 23 Oct 2026 (in 1184 ms).

{
  "status": "ok",
  "message-type": "work",
  "message-version": "1.0.0",
  "message": {
    "indexed": {
      "date-parts": [
        [
          2026,
          7,
          1
        ]
      ],
      "date-time": "2026-07-01T10:40:49Z",
      "timestamp": 1782902449764,
      "version": "3.54.5"
    },
    "reference-count": 10,
    "publisher": "Springer Science and Business Media LLC",
    "issue": "1",
    "license": [
      {
        "start": {
          "date-parts": [
            [
              2009,
              1,
              1
            ]
          ],
          "date-time": "2009-01-01T00:00:00Z",
          "timestamp": 1230768000000
        },
        "content-version":

💻 Copy-paste code

Three ways to call Crossref — pick your weapon.

// Crossref — no build step, no library. Just fetch.
const res = await fetch("https://api.crossref.org/works/10.1038/nphys1170");
const data = await res.json();
console.log(data);

# Crossref with Python requests
import requests

r = requests.get("https://api.crossref.org/works/10.1038/nphys1170")
print(r.status_code)
print(r.json())

# Crossref from your terminal
curl "https://api.crossref.org/works/10.1038/nphys1170"

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