x402 census · x402-gateway-production-1f21.up.railway.app · 7d03c916f402 · JSON
POST /payai/agent/wallet-monitor
gone
Recurring wallet monitor for crypto agents. Check balances and new USDC/ERC-20 transfers since the prior cursor, then return a ready next request. Designed to be called about every 60 seconds for deposit detection, payment monitoring and treasury alerts.
Verdict: dead listing. 404/410: gone.
Facts from the catalogs
| Field | Value |
|---|---|
| URL | https://x402-gateway-production-1f21.up.railway.app/payai/agent/wallet-monitor |
| Method | POST |
| Price | $0.005 USDC = 5000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base) |
| payTo | 0xF7Eb4b12D673dF433d76B2DBD9CA41Db3fE1836E |
| Seller | x402-gateway-production-1f21.up.railway.app |
| Catalogs | payai (row updated 2026-10-08) |
| Listed since (lower bound) | 2026-10-08 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-10-08 |
| CDP quality counters | not in the CDP catalog |
| Category (keyword rule) | crypto-data |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | Industrial Platform payai · payai, recurring, autonomous-agent, agent-wallet-monitor, x402 |
Unpaid probe (census of 2026-10-22)
| Field | Value |
|---|---|
| Probed at | 2026-10-22T00:26:43.106Z |
| HEAD | 404 |
| GET | 404 |
| Verdict | gone 404/410: gone |
| 402 carried in | n/a |
| x402Version in the 402 | n/a |
| accepts[0] | none |
| Live amount equals catalog price | not comparable |
| Live payTo equals catalog payTo | not comparable |
| extensions.bazaar in the 402 | no |
| PAYMENT-REQUIRED header | no |
| WWW-Authenticate offer | none |
| Content type / server / CORS | application/json / railway-hikari / none |
| Latency | 86 ms |
| Error | none |
No hourly re-probe has reached this resource yet; the cron covers a rotating slice of 150 per hour.
On-chain facts for the payTo (public address)
| Field | Value |
|---|---|
| Settlement history | unresolved: payTo not seen in the payer forensics (180 wallets' outbound history) or the Blockscout sample |
Declared input and output (extensions.bazaar)
{
"input": {
"body": {
"address": "0x0000000000000000000000000000000000000000",
"network": "base"
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"status": "ready"
}
}
}
Try it (unpaid: shows the 402)
curl -si -X POST 'https://x402-gateway-production-1f21.up.railway.app/payai/agent/wallet-monitor' -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/7d03c916f402/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"7d03c916f402"} 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: PayAI listing status · this record as JSON · all resources on x402-gateway-production-1f21.up.railway.app.