x402 endpoint validation and audit API — bounded zero-spend probes of any public
x402 endpoint validation and audit API — bounded zero-spend probes of any public service: health, ready and well-known checks, optional MCP handshake with tools list, evidence-header and correlation capture, SHA3-256 and SHA-256 digests, bounded body previews; uptime, trust and production-readiness validation for AI agent payment APIs, TAT-protocol compatible. Deterministic on-chain execution by the AmanChain node — live consensus state, real blocks, pools and balances. Pay p
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://amanchain-relay.gitajhd.workers.dev/api/x402/aman-x402-validation
| Category | Code and developer |
|---|---|
| Provider host | amanchain-relay.gitajhd.workers.dev |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 3 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.623002 | 837 ms |
Example input (from the provider)
{
"body": {
"request": "https://your-api.onrender.com",
"serviceId": "aman-x402-validation"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"request": {
"description": "service input (see body example)",
"type": "string"
},
"serviceId": {
"description": "the service id, \"aman-x402-validation\"",
"type": "string"
}
},
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}