x402 census · micro-saas-agent.onrender.com · b1e4a69c30c8 · JSON

POST /api/spend/check

gone

[Spend policy: agent payment risk check] Before an AI agent pays an invoice or merchant: POST {payment, policy} -> allow / deny / needs_approval plus the rules that fired (per-tx limit, rolling cap, merchant categories, allow/deny lists, hours + timezone, assets/chains, approval threshold) and an Ed25519-signed receipt bound to your request hash. Deterministic, stateless, no custody, moves no mon…

Verdict: dead listing. 404/410: gone.

Facts from the catalogs

Field Value

URL https://micro-saas-agent.onrender.com/api/spend/check

Method POST

Price $0.02 USDC = 20000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Network eip155:8453 (base)

payTo 0xB4527dccaC81eB73d4988A51a4cb1FBBF2C3CaBd

Seller micro-saas-agent.onrender.com

Catalogs cdp (row updated 2026-10-21)

Listed since (lower bound) 2026-10-21 (earliest catalog timestamp; catalogs report last-update times only)

Last catalog update 2026-10-21

CDP quality counters 1 calls and 1 unique payers in 30 days, last call 2026-10-21 (catalog-reported, not verified on chain)

Category (keyword rule) chain-rpc

Templated path no

x402Version in catalog 2

Service name / tags GW8 Signal API · agent-payments, spend-policy, guardrails, x402, usdc

Unpaid probe (census of 2026-10-22)

Field

Value

Probed at

2026-10-22T00:27:25.336Z

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

PAYMENT-REQUIRED header

WWW-Authenticate offer

none

Content type / server / CORS

text/html / cloudflare / none

Latency

168 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": {
   "payment": {
    "agentId": "ap-agent-7",
    "amount": "420.00",
    "chain": "base",
    "currency": "USDC",
    "memo": "INV-10442",
    "merchantCategory": "office-supplies",
    "recipientDomain": "acme-supplies.com",
    "recipientId": "acct_acme_supplies",
    "timestamp": "2026-10-21T15:30:00Z"
   },
   "policy": {
    "allowList": [
     "acme-supplies.com"
    ],
    "allowedAssets": [
     "USDC"
    ],
    "allowedChains": [
     "base"
    ],
    "allowedHours": {
     "days": [
      "mon",
      "tue",
      "wed",
      "thu",
      "fri"
     ],
     "end": "18:00",
     "start": "08:00",
     "timezone": "America/Denver"
    },
    "blockedCategories": [
     "gambling",
     "crypto-exchange"
    ],
    "currency": "USDC",
    "perTxLimit": "1000",
    "requireApprovalAbove": "750",
    "rollingCap": {
     "limit": "5000",
     "spentSoFar": "1200",
     "windowHours": 24
    }
   }
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
 },
 "output": {
  "type": "json",
  "example_truncated": true,
  "chars": 569
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://micro-saas-agent.onrender.com/api/spend/check' -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/b1e4a69c30c8/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"b1e4a69c30c8"} 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 micro-saas-agent.onrender.com.