api.spendpreflight.com
Route probed: GET https://api.spendpreflight.com/v1/preflight
Category: other · Status: listing listed, probe active · Listing: 0.02 USD, 3 payers / 3 calls (30d, Bazaar) · Listed in: cdp-bazaar
Last probe: 2026-10-23T14:36:29Z (55 min ago) · Recent valid 402: 2/2 · p50 2403 ms
probe-only: no paid test-buys yet. No index until 3 paid buys on 3 different days.
Badge: 
Paid test-buys
None yet.
402 challenge checks (since 2026-10-23T14:36:29Z)
1 valid 402s checked: terms consistent 1, Base USDC offered 1, price matches listing 1 (differs 0), payTo changed vs previous probe 0.
Unpaid probes (newest first, up to 200; raw receipts are kept 7 days, then in the archive)
| Receipt | UTC time | Method | Status | Valid 402 | ms | Listed amount (atomic) | Quoted amount (atomic) | Quoted payTo | Header bytes | Response sha256 | Signed | Route | Checks |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 82bf1c74c8a7cbf722a5 | 2026-10-23T14:36:29Z | GET | 402 | yes | 2403 | 20000 | 20000 | 0xBf4164e0… | 1852 | d3bcb49dff857ec3 | per-receipt | primary | terms ok · Base USDC |
| 1d8b7ae60dc0bb7a61de | 2026-10-23T12:43:30Z | GET | 402 | yes | 439 | 20000 | 20000 | 0xBf4164e0… | 1852 | d3bcb49dff857ec3 | snapshot | primary |
Other listed routes
https://api.spendpreflight.com/v1/preflightSpend preflight for AI agents. Send the x402 PaymentRequired body (v1 or v2) you received, or a cart, plus optional rules (per-payment max, hold threshold, dail (cdp-bazaar)https://api.spendpreflight.com/listing-guardBazaar Listing Guard: CDP technical validation plus a bounded heuristic metadata screen for agent-directed instructions, embedded URLs, tool calls, invisible Un (cdp-bazaar)
Seller? Reply or dispute. Amounts are in the asset's atomic units (USDC: 6 decimals).