strale.io

https://api.strale.io

● healthy general

Validate an ISBN-10 or ISBN-13 number. Checks format, length, and checksum. Converts ISBN-10 to ISBN-13. Pure algorithmic — instant. -- reliability 91.0/100 per Paygent Discover

How to call

cURL · x402-fetch / x402-axios will auto-handle 402

curl -X POST https://api.strale.io

/.well-known/x402.json

https://api.strale.io/.well-known/x402