x402-discovery.nishvault.com
Route probed: GET https://x402-discovery.nishvault.com/simulate/transaction-preflight
Category: eat:onchain/crypto data (tags: chain-data) · Status: listing listed, probe active · Listing: 0.01 USD, 0 payers / 0 calls (30d, Bazaar) · Listed in: x402-list
Last probe: 2026-10-23T18:24:19Z (2 min ago) · Recent valid 402: 0/2 · p50 126 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 2026-10-23T18:24:19Z)
0 valid 402s checked: terms consistent 0, Base USDC offered 0, price matches listing 0 (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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| a81646bde497b5c734c1 | 2026-10-23T18:24:19Z | GET | 530 | no | 40 | 10000 | 764ac7d5e8b966ad | per-receipt | primary | ||||
| 77e549dc7c1660a43e74 | 2026-10-23T12:47:07Z | GET | 530 | no | 126 | 10000 | 80233dda6c421e56 | snapshot | primary |
Seller? Reply or dispute. Amounts are in the asset's atomic units (USDC: 6 decimals).