x402 client test and health check
x402 client test and health check: pay, get an echo back plus the server pid
Answeringour last check, 2026-10-10
1 of 1checks answered this week
922 msmedian answer time
$0.002listed price per call
$0.002price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://api.17711.xyz/registry/ping-service/v1/ping
| Category | Company and compliance |
|---|---|
| Provider host | api.17711.xyz |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 10 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-10 | valid payment request | 402 | $0.002 | 922 ms |
Example input (from the provider)
{
"body": {
"delay_ms": 0,
"echo": "string"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"properties": {
"body": {
"properties": {
"delay_ms": {
"default": 0,
"description": "Testkit-only knob (not real business logic): lets a caller simulate a slow tool call, to\ncheck whether the server dispatches concurrent calls as independent tasks rather than\nserializing them.",
"format": "uint64",
"minimum": 0,
"type": "integer"
},
"echo": {
"description": "Arbitrary text echoed back verbatim in the response's own `echo` field.",
"type": "string"
}
},
"required": [
"echo"
],
"title": "PingRequest",
"type": "object"
},
"bodyType": {
"const": "json"
},
"method": {
"const": "POST"
},
"type": {
"const": "http"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"echo": {
"description": "Echoes the request's own `echo` field back verbatim.",
"type": "string"
},
"pid": {
"description": "This process's OS pid -- proves which process instance actually answered (useful behind a\nload balancer fronting several instances of the same service).",
"format": "uint32",
"minimum": 0,
"type": "integer"
},
"pong": {
"description": "Always `true` -- a client can use this as a trivial liveness/reachability check.",
"type": "boolean"
}
},
"required": [
"pong",
"echo",
"pid"
],
"title": "PingResult",
"type": "object"
},
"type": {
"const": "json"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}