Compare two OpenAPI 3 JSON specs and get a precise breaking-change report: remov...
https://api.firstmention.uk/s/api-change-check/compareOverview
Compare two OpenAPI 3 JSON specs and get a precise breaking-change report: removed paths, renamed parameters, new required fields, type changes. $0.02 via x402.
Protocol
x402 (POST)
Price
$0.02
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
uncategorized
Provider
api-change-check
Source
bazaar
Indexed
2026-10-29 22:34:47
Health
Status
healthy
Latency (p50)
76ms
Uptime (30d)
100.0%
Reliability Score
92/100
Last Checked
2026-10-29 23:11:34
Last Healthy
2026-10-29 23:11:34
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Input Schema
{
"body": {
"after": {
"info": {
"title": "Example",
"version": "2.0"
},
"openapi": "3.0.0",
"paths": {
"/v2/users": {
"get": {
"responses": {
"200": {
"description": "ok"
}
}
}
}
}
},
"before": {
"info": {
"title": "Example",
"version": "1.0"
},
"openapi": "3.0.0",
"paths": {
"/users": {
"get": {
"responses": {
"200": {
"description": "ok"
}
}
}
}
}
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Output Schema
{
"example": {
"breaking": true,
"changes": [
{
"detail": "GET /users no longer exists",
"kind": "path_removed",
"path": "/users",
"severity": "breaking"
},
{
"detail": "new endpoint",
"kind": "path_added",
"path": "/v2/users",
"severity": "non_breaking"
}
],
"counts": {
"breaking": 2,
"non_breaking": 0
},
"ok": true
},
"type": "json"
}
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-10-29 23:11:34 | healthy | 402 | 76ms |