# Open Library API

> Open Library API on Apizie: 4 endpoints (Search books, By ISBN, Work, Search authors) returned as clean JSON through one API key. 4 endpoints are live now. Call it over REST at https://zieapi.vercel.app/v1/education:open-library/{endpoint} or from Claude, ChatGPT and Cursor through the Apizie MCP server. Free plan: 1,000 requests a month.

- Project key: `education:open-library`
- Category: Education
- Status: live
- Source: https://openlibrary.org/developers/api
- Page: https://zieapi.vercel.app/api/education/open-library
- OpenAPI: https://zieapi.vercel.app/api/education/open-library/openapi.json

Books, editions and authors from the Internet Archive's Open Library.

## Endpoints

### Search books
`GET https://zieapi.vercel.app/v1/education:open-library/search`

| Parameter | Type | Required | Description |
|---|---|---|---|
| query | string | yes |  |
| limit | integer | no | Number of results |
| page | integer | no |  |
| fields | string | no |  |

### By ISBN
`GET https://zieapi.vercel.app/v1/education:open-library/isbn`

| Parameter | Type | Required | Description |
|---|---|---|---|
| isbn | string | yes |  |

### Work
`GET https://zieapi.vercel.app/v1/education:open-library/work`

| Parameter | Type | Required | Description |
|---|---|---|---|
| id | string | yes |  |

### Search authors
`GET https://zieapi.vercel.app/v1/education:open-library/authors`

| Parameter | Type | Required | Description |
|---|---|---|---|
| query | string | yes |  |

## Example
```
curl "https://zieapi.vercel.app/v1/education:open-library/search" \
  -H "x-api-key: $APIZIE_KEY"
```

## FAQ

### How do I call the Open Library API?
Create a free Apizie key, then send GET https://zieapi.vercel.app/v1/education:open-library/search with the header x-api-key. Every endpoint returns { project, data, timestamp }.

### Is the Open Library API free on Apizie?
Yes. The Free plan includes 1,000 requests a month at 100 requests a minute, no credit card.

### Can AI agents use the Open Library API?
Yes. Add the Apizie MCP server (https://zieapi.vercel.app/mcp) to Claude, ChatGPT, Cursor or VS Code, then ask in plain language. The agent calls run_scraper with project key education:open-library.

### What is the status of the Open Library API?
Live: works with just an Apizie key