x402 census · recallguard-api.vercel.app · b4c9e068e84a · JSON
POST /api/v1/match
method-gated
RecallGuard inventory matcher: match up to 100 items against US recalls, $0.10 per call
Verdict: not verified by an unpaid GET. 405/400: the 402 sits behind the declared method. This says nothing about whether the route works when called as declared.
Facts from the catalogs
| Field | Value |
|---|---|
| URL | https://recallguard-api.vercel.app/api/v1/match |
| Method | POST |
| Price | $0.10 USDC = 100000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | base (base) |
| payTo | 0x90E23A7b6F6494A879d05DDC4278D0e55Dec1e01 |
| Seller | recallguard-api.vercel.app |
| Catalogs | payai (row updated 2026-09-29) |
| Listed since (lower bound) | 2026-09-29 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-09-29 |
| CDP quality counters | not in the CDP catalog |
| Category (keyword rule) | other/unknown |
| Templated path | no |
| x402Version in catalog | 1 |
| Service name / tags | none |
Unpaid probe (census of )
| Field | Value |
|---|---|
| Probe | not probed in this build |
Latest re-probe
| Field | Value |
|---|---|
| Re-probed at | 2026-10-03T07:13:27.000Z (cron) |
| Verdict now | method-gated changed from unprobed |
| HEAD / GET | no answer / 405 |
| accepts[0] | none |
| Live amount equals catalog price | not comparable |
| Latency | 3,573 ms |
| Error | timeout |
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": {
"items": {
"type": "array",
"required": true,
"description": "1-100 items of {name, brand, upc}"
}
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"type": "json",
"example": {
"results": [
{
"input": {},
"matches": [],
"match_count": 0
}
],
"threshold": 0.62,
"dataset_built_at": "ISO-8601"
}
}
}
}
Try it (unpaid: shows the 402)
curl -si -X POST 'https://recallguard-api.vercel.app/api/v1/match' -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/b4c9e068e84a/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"b4c9e068e84a"} 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 recallguard-api.vercel.app.