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Compare/books.isbn

Book lookup by ISBN

Title, authors, publisher and year for an ISBN. 1 provider, 1 working now.

At a glance

1 of 1 provider for Book lookup by ISBN on Superpowers can serve a call right now: BrasilAPI. BrasilAPI is free with any Superpowers account. Call it with one API key: POST /v1/run with "tool": "brasilapi.isbn", or through the MCP server. Every provider takes the same input and returns the same output, and failed calls are not charged.

ProviderPriceSuccessSpeedStatus
Book lookup by ISBN (BrasilAPI)BrasilAPIFree——Live

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Shared format

Input
{
  "type": "object",
  "additionalProperties": false,
  "required": [
    "isbn"
  ],
  "properties": {
    "isbn": {
      "type": "string",
      "pattern": "^[0-9Xx-]{10,17}$",
      "description": "ISBN-10 or ISBN-13"
    }
  }
}
Normalized output
{
  "isbn": "",
  "title": "",
  "authors": [
    ""
  ],
  "publisher": "",
  "year": 0
}

Questions

Which Book lookup by ISBN API is cheapest?

BrasilAPI is free with any Superpowers account.

Is there a free Book lookup by ISBN API?

Yes. BrasilAPI is free with any Superpowers account; you only need a key.

How do I call a Book lookup by ISBN API from an AI agent?

Call it with one API key: POST /v1/run with "tool": "brasilapi.isbn", or through the MCP server. Every provider takes the same input and returns the same output, and failed calls are not charged. New accounts get $5 free; see /docs for the MCP setup.