Validate an ISBN-10 or ISBN-13 number. Checks format, length, and checksum. Conv...
https://api.strale.io/x402/isbn-validateOverview
Validate an ISBN-10 or ISBN-13 number. Checks format, length, and checksum. Converts ISBN-10 to ISBN-13. Pure algorithmic — instant.
Protocol
x402
Price
$0.02
Payment Asset
USD Coin
Payment Network
Base
Category
uncategorized
Provider
strale
Source
bazaar
Indexed
2026-04-15 14:09:58
Health
Status
healthy
Latency (p50)
117ms
Uptime (30d)
100.0%
Reliability Score
100/100
Last Checked
2026-07-31 18:30:59
Last Healthy
2026-07-31 18:30:59
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Invalid
Asset Verified
—
Facilitator
—
Input Schema
{
"discoverable": true,
"method": "GET",
"queryParams": {
"isbn": {
"description": "ISBN-10 or ISBN-13 (e.g. 978-3-16-148410-0)",
"required": true,
"type": "string"
}
},
"type": "http"
}
Output Schema
{
"isbn13": {
"type": "string"
},
"type": {
"type": "string"
},
"valid": {
"type": "boolean"
}
}
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-07-31 18:30:59 | healthy | 402 | 113ms | |
| 2026-07-31 13:05:20 | healthy | 402 | 151ms | |
| 2026-07-31 06:39:12 | healthy | 402 | 109ms | |
| 2026-07-31 00:14:55 | healthy | 402 | 123ms | |
| 2026-07-30 23:30:22 | healthy | 402 | 127ms | |
| 2026-07-30 19:08:57 | healthy | 402 | 195ms | |
| 2026-07-30 11:40:15 | healthy | 402 | 120ms | |
| 2026-07-30 07:55:11 | healthy | 402 | 108ms | |
| 2026-07-30 02:32:30 | healthy | 402 | 117ms | |
| 2026-07-30 01:12:40 | healthy | 402 | 116ms | |
| 2026-07-29 19:37:46 | healthy | 402 | 114ms | |
| 2026-07-29 12:57:21 | healthy | 402 | 107ms | |
| 2026-07-29 07:00:05 | healthy | 402 | 108ms | |
| 2026-07-29 02:19:11 | healthy | 402 | 126ms | |
| 2026-07-28 23:06:49 | healthy | 402 | 106ms | |
| 2026-07-28 19:40:27 | healthy | 402 | 120ms |