x402 census · api.delx.ai · af044dc6e040 · JSON
POST /api/v1/x402/json-uuid-fields-check
live
JSON UUID Fields Check: checks selected fields for canonical UUID text shape using only bounded caller-supplied values. Call when you need a bounded json uuid fields check result before an agent hands structured data or a batch plan to a downstream tool with a stricter contract. Returns the bounded transformation or validation finding with counts, normalized values, and a versioned result contrac…
Verdict: live. The unpaid GET reached a valid 402. The live amount equals the catalog price.
Facts from the catalogs
| Field | Value |
|---|---|
| URL | https://api.delx.ai/api/v1/x402/json-uuid-fields-check |
| Method | POST |
| Price | $0.001 USDC = 1000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base); also accepts solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| payTo | 0x9f8bd9875b3E0b632a24A3A7C73f7787175e73A2 |
| Seller | api.delx.ai |
| Catalogs | cdp (row updated 2026-09-19), payai (row updated 2026-08-27) |
| Listed since (lower bound) | 2026-08-27 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-09-19 |
| CDP quality counters | 1 calls and 1 unique payers in 30 days, last call 2026-09-19 (catalog-reported, not verified on chain) |
| Category (keyword rule) | crypto-data |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | JSON UUID Fields Check · data, schema, batch |
Unpaid probe (census of 2026-09-30)
| Field | Value |
|---|---|
| Probed at | 2026-09-30T23:29:30.555Z |
| HEAD | 404 |
| GET | 402 |
| Verdict | live live: valid 402 to an unpaid GET |
| 402 carried in | body |
| x402Version in the 402 | 2 |
| accepts[0] | {"scheme":"exact","network":"eip155:8453","amount":"1000","payTo":"0x9f8bd9875b3E0b632a24A3A7C73f7787175e73A2","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2"}} |
| Live amount equals catalog price | yes |
| Live payTo equals catalog payTo | yes |
| extensions.bazaar in the 402 | yes |
| PAYMENT-REQUIRED header | no |
| WWW-Authenticate offer | Payment id="IeVk5t7wGKVbesOf-PrYuZqtXucp |
| Content type / server / CORS | application/json / n/a / * |
| Latency | 2,739 ms |
| Error | Payment required: $0.001 USDC for util_json_uuid_fields_check |
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 | 18 |
| Payments | 39 |
| USDC volume | $0.14 |
| Median payment | $0.001 |
| First / last payment | 2026-08-06 / 2026-09-30 |
| Sampler-shaped share of payments | 94.9% |
| Payers that are not samplers | 1 |
| Source | forensics-2026-09-30 |
| Address | 0x9f8bd9875b3E0b632a24A3A7C73f7787175e73A2 (contract: EIP7702StatelessDeleGator) |
Declared input and output (extensions.bazaar)
{
"input": {
"body": {
"fields": [
"id"
],
"object": {
"id": "550e8400-e29b-41d4-a716-446655440000"
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"type": "json",
"example": {
"evidence": {
"external_calls": 0,
"input_sha256": "8eeb5bc9deefa111f9ffecc6114b6f5c2adf64812314e89c753e9dbcb881aa3c",
"retained": false
},
"operation": "data_batch:json_uuid_fields_check",
"result": {
"invalid_fields": [],
"passed": true
},
"schema": "delx/util-json-uuid-fields-check/v1",
"status": "pass"
}
}
}
Try it (unpaid: shows the 402)
curl -si -X POST 'https://api.delx.ai/api/v1/x402/json-uuid-fields-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/af044dc6e040/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"af044dc6e040"} 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 · agentic.market (CDP Bazaar front end) · this record as JSON · all resources on api.delx.ai.