x402 census · api.agentmercantile.com · 6e3dc3e3797f · JSON
POST /v1/x402-presign-handoff
unprobed
Produce a normalized pre-sign evidence packet for one unpaid x402 v2 exact Base USDC EIP-3009 requirement: request identity, selected requirement including asset transfer method, public payer coverage, caller ceiling, optional baseline evidence, and an integrity digest. Non-eip3009 or incomplete transfer methods fail closed. Does not sign, pay, construct a transaction, read payment-authority allo…
Verdict: not verified by an unpaid GET. not probed yet. This says nothing about whether the route works when called as declared.
Facts from the catalogs
| Field | Value |
|---|---|
| URL | https://api.agentmercantile.com/v1/x402-presign-handoff |
| Method | POST |
| Price | $0.01 USDC = 10000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base) |
| payTo | 0xdb7b2b54f80479826222749a2ea73a8acc306e1e |
| Seller | api.agentmercantile.com |
| Catalogs | cdp (row updated 2026-09-28) |
| Listed since (lower bound) | 2026-09-28 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-09-28 |
| CDP quality counters | 2 calls and 2 unique payers in 30 days, last call 2026-09-28 (catalog-reported, not verified on chain) |
| Category (keyword rule) | other/unknown |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | Agent Mercantile · x402-presign-handoff, pre-sign-packet, payment-requirement, payer-coverage, signer-handoff |
Unpaid probe (census of )
| Field | Value |
|---|---|
| Probe | not probed in this build |
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 |
|---|---|
| Distinct payers | 1 |
| Payments | 1 |
| USDC volume | $0.005 |
| Median payment | $0.005 |
| First / last payment | 2026-09-17 / 2026-09-17 |
| Sampler-shaped share of payments | 100.0% |
| Payers that are not samplers | 0 |
| Source | forensics-2026-09-30 |
| Address | 0xdb7b2b54f80479826222749a2ea73a8acc306e1e (contract: EIP7702Proxy) |
Declared input and output (extensions.bazaar)
{
"input": {
"body": {
"allowed_pay_to": [
"0xdb7b2b54f80479826222749a2ea73a8acc306e1e"
],
"max_amount_atomic": "20000",
"method": "POST",
"payer_address": "0x1111111111111111111111111111111111111111",
"resource_url": "https://api.agentmercantile.com/v1/url-context"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"type": "json",
"example": {
"decision": "READY",
"machine": "VM09",
"methodology_version": "x402-presign-handoff-0.1.0",
"status": "OK"
}
}
}
Try it (unpaid: shows the 402)
curl -si -X POST 'https://api.agentmercantile.com/v1/x402-presign-handoff' -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/6e3dc3e3797f/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"6e3dc3e3797f"} 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 api.agentmercantile.com.