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. SQS: 98/100.
Protocol
x402
Price
$0.01
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)
212ms
Uptime (30d)
100.0%
Reliability Score
95/100
Last Checked
2026-06-12 16:43:59
Last Healthy
2026-06-12 16:43:59
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 |
|---|---|---|---|---|
| 2026-06-12 16:43:59 | healthy | 402 | 238ms | |
| 2026-06-12 12:05:31 | healthy | 402 | 214ms | |
| 2026-06-12 09:39:35 | healthy | 402 | 211ms | |
| 2026-06-12 06:20:35 | healthy | 402 | 193ms | |
| 2026-06-11 22:30:17 | healthy | 402 | 212ms | |
| 2026-06-11 20:19:44 | healthy | 402 | 218ms | |
| 2026-06-11 13:53:40 | healthy | 402 | 234ms | |
| 2026-06-11 06:17:46 | healthy | 402 | 198ms | |
| 2026-06-11 01:33:05 | healthy | 402 | 209ms | |
| 2026-06-11 00:27:44 | healthy | 402 | 201ms | |
| 2026-06-10 19:26:47 | healthy | 402 | 245ms | |
| 2026-06-10 12:43:02 | healthy | 402 | 1437ms | |
| 2026-06-10 08:09:52 | healthy | 402 | 117ms | |
| 2026-06-10 03:02:00 | healthy | 402 | 201ms | |
| 2026-06-10 00:45:59 | healthy | 402 | 216ms | |
| 2026-06-09 18:19:35 | healthy | 402 | 211ms |