x402 census · delta-witness-api.ruphussten.workers.dev · 96a2c99405c1 · JSON
POST /v1/preflight
unprobed
Preflight an autonomous action by comparing a fresh public-source observation with deterministic expectations
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://delta-witness-api.ruphussten.workers.dev/v1/preflight |
| Method | POST |
| Price | $0.03 USDC = 30000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base) |
| payTo | 0x1990e21bc219696ff7fbc26527dbaed335ac6367 |
| Seller | delta-witness-api.ruphussten.workers.dev |
| Catalogs | payai (row updated 2026-09-07) |
| Listed since (lower bound) | 2026-09-07 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-09-07 |
| CDP quality counters | not in the CDP catalog |
| Category (keyword rule) | other/unknown |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | none |
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 |
|---|---|
| Settlement history | unresolved: payTo not seen in the payer forensics (180 wallets' outbound history) or the Blockscout sample |
Try it (unpaid: shows the 402)
curl -si -X POST 'https://delta-witness-api.ruphussten.workers.dev/v1/preflight' -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/96a2c99405c1/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"96a2c99405c1"} 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 delta-witness-api.ruphussten.workers.dev.