# Clean an ISBN list of dead or invalid codes

**Use case:** 

Run a saved ISBN list through Open Library to see which still resolve and which are unregistered, mistyped, or the wrong length. Misses are never charged.

## Input

```json
{
  "isbns": [
    "9780316769488",
    "9780765326355",
    "9780199999999",
    "999999999999999"
  ],
  "testRun": false,
  "onlyFound": false,
  "includeKeywords": [],
  "excludeKeywords": [],
  "columns": [
    "title",
    "isbn",
    "subtitle",
    "authors",
    "publishers",
    "publishDate",
    "numberOfPages",
    "subjects",
    "coverUrl",
    "openLibraryUrl",
    "excerpt"
  ],
  "maxConcurrency": 5,
  "proxyConfiguration": {
    "useApifyProxy": true
  }
}
```

## Output

```json
{
  "query": {
    "label": "ISBN submitted",
    "format": "string"
  },
  "found": {
    "label": "Found?",
    "format": "boolean"
  },
  "status": {
    "label": "Status",
    "format": "string"
  },
  "message": {
    "label": "Details",
    "format": "string"
  },
  "title": {
    "label": "Title",
    "format": "text"
  },
  "isbn": {
    "label": "ISBN",
    "format": "text"
  },
  "subtitle": {
    "label": "Subtitle",
    "format": "text"
  },
  "authors": {
    "label": "Authors",
    "format": "array"
  },
  "publishers": {
    "label": "Publishers",
    "format": "array"
  },
  "publishDate": {
    "label": "Publish date",
    "format": "text"
  },
  "numberOfPages": {
    "label": "Pages",
    "format": "number"
  },
  "subjects": {
    "label": "Subjects",
    "format": "array"
  },
  "coverUrl": {
    "label": "Cover image URL",
    "format": "text"
  },
  "openLibraryUrl": {
    "label": "Open Library URL",
    "format": "text"
  },
  "excerpt": {
    "label": "Excerpt",
    "format": "text"
  },
  "scrapedAt": {
    "label": "Checked at",
    "format": "string"
  }
}
```

## About this Actor

This example demonstrates how to use [Open Library ISBN Lookup — Free Book Metadata API](https://apify.com/accountable_eel/openlibrary-isbn-lookup.md) with a specific input configuration. Visit the [Actor detail page](https://apify.com/accountable_eel/openlibrary-isbn-lookup.md) to learn more, explore other use cases, and run it yourself.


## How to integrate an Actor?

If asked about integration, you help developers integrate Actors into their projects.
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This Task's input is already configured above — use it as-is rather than inventing a new one.

- **AI agents and MCP clients** — the [Apify MCP server](https://docs.apify.com/integrations/mcp.md) at `https://mcp.apify.com` (remote, streamable HTTP, OAuth on first use).
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For full API examples (JavaScript, Python, CLI, MCP, OpenAPI), see this Task's Actor page: https://apify.com/accountable_eel/openlibrary-isbn-lookup.md

For more details, see Apify documentation as [Markdown index](https://docs.apify.com/llms.txt) and [Markdown full-text](https://docs.apify.com/llms-full.txt).