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)
138ms
Uptime (30d)
100.0%
Reliability Score
100/100
Last Checked
2026-10-03 05:25:38
Last Healthy
2026-10-03 05:25:38
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 |
|---|---|---|---|---|
| 2026-10-03 05:25:38 | healthy | 402 | 124ms | |
| 2026-10-02 22:09:41 | healthy | 402 | 120ms | |
| 2026-10-02 11:08:27 | healthy | 402 | 139ms | |
| 2026-10-02 06:10:41 | healthy | 402 | 189ms | |
| 2026-10-02 01:57:11 | healthy | 402 | 125ms | |
| 2026-10-01 13:55:13 | healthy | 402 | 116ms | |
| 2026-10-01 06:08:30 | healthy | 402 | 159ms | |
| 2026-10-01 00:58:45 | healthy | 402 | 138ms | |
| 2026-09-30 18:18:29 | healthy | 402 | 124ms | |
| 2026-09-30 13:34:56 | healthy | 402 | 151ms |