ISBNdb · Rate Limits

Isbndb Rate Limits

Rate limiting policies for the ISBNdb book and ISBN database REST API

Isbndb Rate Limits is the machine-readable rate-limit profile for ISBNdb on the APIs.io network, in the API Commons Rate Limits shape.

It captures 10 rate-limit definitions.

Limit state is signalled in the ratelimit and ratelimit-policy response headers.

This profile was written by API Evangelist and has not been verified against a page the provider published; treat every limit as unconfirmed until a dated transcription replaces it.

Tagged areas include Books, ISBN, Publishing, Metadata, and Library.

10 Limits ratelimitratelimit-policy
Method: generated.
Written by API Evangelist and not verified against a page the provider published. Treat every limit as unconfirmed until a dated transcription replaces it.
View Source
BooksISBNPublishingMetadataLibraryBibliography

Limits

Basic
· per second
Basic
· per day
Academic
· per second
Academic
· per day
Premium
· per second
Premium
· per day
Pro
· per second
Pro
· per day
Enterprise
· per second
Enterprise
· per day

Work with this as data

Every rate limit here is available over the APIs.io API and to AI agents over MCP.

MCP server

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https://apis.io/mcp

Tools for rate limits

4 MCP tools reach this
  • find_rate_limitsBrowse and filter every rate limit in the catalog.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This rate limit 
curl "https://apis.io/api/v1/rate-limits/isbndb-rate-limits"
All rate limits 
curl "https://apis.io/api/v1/rate-limits?limit=25"

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