x402 census · amanchain-relay.gitajhd.workers.dev · c959e9ef7cff · JSON
POST /api/x402/aman-x402-validation
live
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 …
Verdict: live. The unpaid GET reached a valid 402 (confirmed by the re-probe of 2026-10-01).
Facts from the catalogs
| Field | Value |
|---|---|
| URL | https://amanchain-relay.gitajhd.workers.dev/api/x402/aman-x402-validation |
| Method | POST |
| Price | $0.62 USDC = 622071 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base) |
| payTo | 0xfB5625d44be488414606773244F0De35410b2f39 |
| Seller | amanchain-relay.gitajhd.workers.dev |
| Catalogs | cdp (row updated 2026-09-10) |
| Listed since (lower bound) | 2026-09-10 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-09-10 |
| CDP quality counters | 3 calls and 1 unique payers in 30 days, last call 2026-09-10 (catalog-reported, not verified on chain) |
| Category (keyword rule) | chain-rpc |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | x402 Production Validation · validation, trust, x402, uptime, devtools |
Unpaid probe (census of )
| Field | Value |
|---|---|
| Probe | not probed in this build |
Latest re-probe
| Field | Value |
|---|---|
| Re-probed at | 2026-10-01T01:13:18.000Z (cron) |
| Verdict now | live changed from unprobed |
| HEAD / GET | 403 / 402 |
| accepts[0] | {"scheme":"exact","network":"base","amount":"623002","payTo":"0xfB5625d44be488414606773244F0De35410b2f39","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","maxTimeoutSeconds":120,"extra":{"name":"USD Coin","version":"2"}} |
| Live amount equals catalog price | no |
| Latency | 4,011 ms |
| Error | none |
On-chain facts for the payTo (public address)
| Field | Value |
|---|---|
| Distinct payers | 1 |
| Payments | 1 |
| USDC volume | $0.0012 |
| Median payment | $0.0012 |
| First / last payment | 2026-09-09 / 2026-09-09 |
| Sampler-shaped share of payments | 100.0% |
| Payers that are not samplers | 0 |
| Source | forensics-2026-09-30 |
| Address | 0xfB5625d44be488414606773244F0De35410b2f39 |
Declared input and output (extensions.bazaar)
{
"input": {
"body": {
"request": "https://your-api.onrender.com",
"serviceId": "aman-x402-validation"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"type": "json",
"example": {
"ok": true,
"probes": [
{
"latencyMs": 96,
"path": "/health",
"status": 200
}
],
"sha256": "…",
"sha3_256": "…",
"target": "https://your-api.onrender.com"
}
}
}
Try it (unpaid: shows the 402)
curl -si -X POST 'https://amanchain-relay.gitajhd.workers.dev/api/x402/aman-x402-validation' -H 'accept: application/json' -H 'content-type: application/json' --data '{}'
The catalog declares POST. A 402 answer carries the payment requirements in the JSON body and, for x402 v2, base64 in the PAYMENT-REQUIRED header. This page never sends a payment.
Paid checks (x402, USDC on Base)
GET https://bazaar.agentexchange.work/r/c959e9ef7cff/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"c959e9ef7cff"} places this resource at the top of the report and search pages for 30 days for $1.00, labelled. Unpaid requests answer 402 with the terms. Pricing.
Catalog references: agentic.market (CDP Bazaar front end) · this record as JSON · all resources on amanchain-relay.gitajhd.workers.dev.