Open Library — API status & change history

Books, book covers and related data

Last checked 2026-07-11T04:16 UTC — HTTP 200, 1053 ms. 30-day uptime: 100.00%.

14-day latency: █

Auth: none · HTTPS: yes · Docs

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Change history

No confirmed changes yet. That's a good sign.

Current response shape

{
  "authors": [
    {
      "author": {
        "key": "string"
      },
      "type": {
        "key": "string"
      }
    }
  ],
  "covers": [
    "number"
  ],
  "created": {
    "type": "string",
    "value": "string"
  },
  "description": "string",
  "key": "string",
  "last_modified": {
    "type": "string",
    "value": "string"
  },
  "latest_revision": "number",
  "location": "string",
  "revision": "number",
  "subject_people": [
    "string"
  ],
  "subject_places": [
    "string"
  ],
  "subject_times": [
    "string"
  ],
  "subjects": [
    "string"
  ],
  "title": "string",
  "type": {
    "key": "string"
  }
}

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