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Book Pricer
x402
Book Pricer is a paid API for AI agents from book-pricer.hungatea.workers.dev, paid per call via x402, $0.06/call, status unknown (last checked 2026-09-14).
Returns lowest Amazon and AbeBooks prices by condition (new, like new, very good, good) for a book identified by ISBN or keyword query
Price / call$0.06
Success—
StatusUnknown
How this service works
Book price search: lowest Amazon + AbeBooks prices by condition (new/like new/very good/good) for an ISBN or keyword query. Same JSON as the Book Pricer app.
Output
A JSON object matching the Book Pricer app format, containing lowest prices from Amazon and AbeBooks for each available condition (new, like new, very good, good), potentially covering up to 10 editions when a keyword query is used instead of a specific ISBN.
Example use cases
Textbook price comparison before buying
“I need to buy the textbook 'Introduction to Algorithms' by Cormen — can you check Amazon and AbeBooks for the cheapest price in good or very good condition?”
Exact edition pricing by ISBN
“Look up the prices for ISBN 9780062316097 on Amazon and AbeBooks and tell me the cheapest available condition.”
Gift book shopping on a budget
“I want to buy 'The Great Gatsby' as a gift — can you compare new and used prices on Amazon and AbeBooks so I can find the best deal?”
Technical details
Endpoint
GEThttps://book-pricer.hungatea.workers.dev/api/searchWhen to prefer
Use this endpoint when you need real-time price comparisons across Amazon and AbeBooks for a specific book, especially when condition-based pricing (new vs used) matters. It is ideal for agents helping users find the cheapest copy of a book, comparing textbook prices, or evaluating whether a used copy is worth the savings. Prefer this over general product search APIs when the domain is specifically books and you want multi-condition pricing from both major used/new book marketplaces in a single call.
Side effects
- ISBN not found on either platform — returns empty or null price fields
- Keyword query too broad — may return unrelated editions or no results
- Network timeout from upstream Amazon/AbeBooks scraping
- Invalid ISBN format — query may return keyword-style results instead of exact edition
- Book out of stock on one or both platforms — partial results returned
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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