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)
214ms
Uptime (30d)
100.0%
Reliability Score
90/100
Last Checked
2026-04-17 15:07:28
Last Healthy
2026-04-17 15:07:28
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
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 |
|---|---|---|---|---|
| 2026-04-17 15:07:28 | healthy | 402 | 656ms | |
| 2026-04-17 14:22:21 | healthy | 402 | 357ms | |
| 2026-04-17 13:11:15 | healthy | 402 | 363ms | |
| 2026-04-17 12:00:37 | healthy | 402 | 426ms | |
| 2026-04-17 11:32:18 | healthy | 402 | 209ms | |
| 2026-04-17 10:42:26 | healthy | 402 | 358ms | |
| 2026-04-17 09:12:23 | healthy | 402 | 214ms | |
| 2026-04-17 08:26:15 | healthy | 402 | 220ms | |
| 2026-04-17 07:45:02 | healthy | 402 | 223ms | |
| 2026-04-17 06:38:33 | healthy | 402 | 237ms | |
| 2026-04-17 05:08:36 | healthy | 402 | 233ms | |
| 2026-04-17 04:07:33 | healthy | 402 | 198ms | |
| 2026-04-17 03:25:35 | healthy | 402 | 202ms | |
| 2026-04-17 02:08:14 | healthy | 402 | 204ms | |
| 2026-04-17 01:48:47 | healthy | 402 | 206ms | |
| 2026-04-17 00:39:51 | healthy | 402 | 204ms | |
| 2026-04-16 23:06:02 | healthy | 402 | 204ms | |
| 2026-04-16 22:27:35 | healthy | 402 | 190ms | |
| 2026-04-16 21:17:38 | healthy | 402 | 205ms | |
| 2026-04-16 20:18:15 | healthy | 402 | 191ms |