x402-v2-mint-hathitrust-volumes.vercel.app
Main route checked: POST https://x402-v2-mint-hathitrust-volumes.vercel.app/v1/hathitrust-volumes
Category: Other · Listing terms not shown (found through a directory we use only to find services) · Found in: cdp-bazaar, 402index-bazaar
Last check: 24 min ago · Recent checks with a valid payment request: 20/20 · Median response 263 ms
No index yet
Raw data · simple view · Badge: 
402 Challenge Checks
49 valid 402s checked: terms consistent 49, Base USDC offered 49, payTo changed vs previous check 0.
Daily History (Signed Aggregates, JSON)
| UTC Day | Checks | Valid 402 | Median ms | Quoted Amounts | PayTo Seen | Archive |
|---|---|---|---|---|---|---|
| 2026-10-30 | 12 | 12 | 243 | 20093 | 1 | part lines 682-693 |
Automatic Unpaid Checks (Newest First, Up To 200)
Raw receipts are kept 7 days in the live database, 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| f488a43f48f4b1ced2ca | 2026-10-31T21:36:22Z | POST | 402 | yes | 223 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| 0e5e1735f91dd81d47bc | 2026-10-31T21:00:33Z | POST | 402 | yes | 289 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| 51706856e4a90948646c | 2026-10-31T20:26:16Z | POST | 402 | yes | 121 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| ac7d1ad26e45ab33c1d4 | 2026-10-31T19:50:21Z | POST | 402 | yes | 156 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| 1b7ab2c84eaa11093efe | 2026-10-31T19:16:20Z | POST | 402 | yes | 540 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| b919954029e22c35316f | 2026-10-31T18:40:24Z | POST | 402 | yes | 199 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| 79eb99cc60e234b161b8 | 2026-10-31T18:12:39Z | POST | 402 | yes | 263 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| 6dc5cc5f12f26e0694dc | 2026-10-31T17:38:28Z | POST | 402 | yes | 79 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| 04a123e77d8e13e7a822 | 2026-10-31T17:04:36Z | POST | 402 | yes | 657 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| c5b396d6f113842486ef | 2026-10-31T16:30:28Z | POST | 402 | yes | 625 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| a16d38b1fb39afdd3256 | 2026-10-31T15:56:19Z | POST | 402 | yes | 377 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| 44704c6fbb16e054ea2a | 2026-10-31T15:22:14Z | POST | 402 | yes | 6325 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| 9d62ff1ec9ab9c7f8844 | 2026-10-31T14:46:51Z | POST | 402 | yes | 436 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| 1cfe188a611d1ea30e7a | 2026-10-31T14:12:26Z | POST | 402 | yes | 477 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| cb7fc5799751936a3a98 | 2026-10-31T13:38:20Z | POST | 402 | yes | 156 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| 70b9b1d37d5478865e67 | 2026-10-31T13:04:17Z | POST | 402 | yes | 269 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| c36ca32a55b39c1bd501 | 2026-10-31T12:30:14Z | POST | 402 | yes | 121 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| 06ce499a0214110581e2 | 2026-10-31T11:54:33Z | POST | 402 | yes | 161 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| 4812a32122fd4eb0ff0c | 2026-10-31T11:20:33Z | POST | 402 | yes | 152 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| 84d5ac8cd142a154c1d5 | 2026-10-31T10:46:20Z | POST | 402 | yes | 136 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| 529585a9fe5856ce906e | 2026-10-31T10:12:18Z | POST | 402 | yes | 184 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| 1258b99076ece89b9f77 | 2026-10-31T09:38:20Z | POST | 402 | yes | 542 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| 2fed76dfdbd86d9c4096 | 2026-10-31T09:04:14Z | POST | 402 | yes | 220 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| 53cad7192fc471182b72 | 2026-10-31T08:28:28Z | POST | 402 | yes | 264 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| 3466ce9486941abf1e9e | 2026-10-31T07:54:25Z | POST | 402 | yes | 391 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| fd414bf504efbb08683a | 2026-10-31T07:20:18Z | POST | 402 | yes | 108 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| 6c0466eec0b591496550 | 2026-10-31T06:46:17Z | POST | 402 | yes | 474 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| e13b3a7c6c01bd79b7d9 | 2026-10-31T06:12:14Z | POST | 402 | yes | 131 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| b9b1a08ef80b970a6c71 | 2026-10-31T05:36:39Z | POST | 402 | yes | 399 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| 88f197d75070dbd5e59c | 2026-10-31T05:02:34Z | POST | 402 | yes | 448 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| f39407e13634250415b0 | 2026-10-31T04:28:21Z | POST | 402 | yes | 178 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| aa253894fad511406199 | 2026-10-31T03:54:17Z | POST | 402 | yes | 93 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| 26fcd57d0999b41bd3c4 | 2026-10-31T03:20:17Z | POST | 402 | yes | 275 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| ea2d7dbb0ebaed99b7e8 | 2026-10-31T02:46:14Z | POST | 402 | yes | 143 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| 767e7891e93a19667c73 | 2026-10-31T01:36:39Z | POST | 402 | yes | 639 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| 25257c29d811c3a14647 | 2026-10-31T01:02:29Z | POST | 402 | yes | 581 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| 274cdd153ab4e34a7dd3 | 2026-10-31T00:28:17Z | POST | 402 | yes | 195 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| b821b361ee1a4be506ec | 2026-10-30T23:54:16Z | POST | 402 | yes | 466 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| f4a59c5098fb679783d1 | 2026-10-30T23:18:36Z | POST | 402 | yes | 173 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| 26aa30b63a2e15a0eaff | 2026-10-30T22:44:26Z | POST | 402 | yes | 105 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| 31328ad20b3d2a68c498 | 2026-10-30T22:10:27Z | POST | 402 | yes | 491 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| e368fff1f271f503f85a | 2026-10-30T21:36:17Z | POST | 402 | yes | 113 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| 333f2ac957865656697d | 2026-10-30T21:02:17Z | POST | 402 | yes | 151 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| ca7a68521c44ccf72be9 | 2026-10-30T20:28:14Z | POST | 402 | yes | 357 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| 4b7b1a0a6ac63d4c4715 | 2026-10-30T19:52:31Z | POST | 402 | yes | 291 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| 6654d68d8a9be3d70edc | 2026-10-30T19:18:25Z | POST | 402 | yes | 502 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| 361fd7be2ba45d1e0a94 | 2026-10-30T18:44:21Z | POST | 402 | yes | 243 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| b09f42664998430506ae | 2026-10-30T18:10:53Z | POST | 402 | yes | 167 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
| 1fe93046b40ac441f29f | 2026-10-30T17:36:15Z | POST | 402 | yes | 161 | – | 20093 | 0xc22f9CAE… | 2008 | bb22727c5b194a2e | per-receipt | main | terms ok · Base USDC |
Seller? Reply or dispute. Amounts are in the asset's atomic units (USDC: 6 decimals).