x402-v2-mint-openalex-sources.vercel.app
Main route checked: POST https://x402-v2-mint-openalex-sources.vercel.app/v1/openalex-sources
Category: Other · Listing terms not shown (found through a directory we use only to find services) · Found in: cdp-bazaar, 402index-bazaar
Last check: 5 min ago · Recent checks with a valid payment request: 20/20 · Median response 270 ms
No index yet
Raw data · simple view · Badge: 
402 Challenge Checks
51 valid 402s checked: terms consistent 51, Base USDC offered 51, 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 | 203 | 20088 | 1 | part lines 1745-1756 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 15971503cf8a15bdd77f | 2026-10-31T22:48:16Z | POST | 402 | yes | 204 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| e57161fb29e814a6dda5 | 2026-10-31T22:12:18Z | POST | 402 | yes | 149 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| d8b18388f5c9b8795670 | 2026-10-31T21:36:25Z | POST | 402 | yes | 167 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| e5a911bca0390de54923 | 2026-10-31T21:02:17Z | POST | 402 | yes | 474 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| c313c8e1d22cf6403979 | 2026-10-31T20:26:18Z | POST | 402 | yes | 89 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| 237b3148b74203e1204a | 2026-10-31T19:50:24Z | POST | 402 | yes | 150 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| 447647d0f20cfe141a61 | 2026-10-31T19:16:28Z | POST | 402 | yes | 343 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| 651ec6dc601dc17c5958 | 2026-10-31T18:40:28Z | POST | 402 | yes | 270 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| 5959df129a1a8dab7ec3 | 2026-10-31T18:14:16Z | POST | 402 | yes | 250 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| 7c25b4762323684b8f1d | 2026-10-31T17:40:14Z | POST | 402 | yes | 193 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| 496ee4d7a81eeecf27fe | 2026-10-31T17:04:47Z | POST | 402 | yes | 614 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| 6d83201da8592d5569a3 | 2026-10-31T16:30:42Z | POST | 402 | yes | 857 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| fde10e11e17f3c750112 | 2026-10-31T15:56:28Z | POST | 402 | yes | 332 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| 7274ba6038d39f943c5a | 2026-10-31T15:22:19Z | POST | 402 | yes | 193 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| 3696d27292c34b714070 | 2026-10-31T14:48:21Z | POST | 402 | yes | 368 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| 5e73fccdc938bd1d2a75 | 2026-10-31T14:12:30Z | POST | 402 | yes | 376 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| 762884f64cefc6c05de4 | 2026-10-31T13:38:24Z | POST | 402 | yes | 284 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| e5e5c495843c38e6858f | 2026-10-31T13:04:20Z | POST | 402 | yes | 177 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| 15ee285c0e19bf0ae14f | 2026-10-31T12:30:17Z | POST | 402 | yes | 154 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| 12a902672dc35c79705d | 2026-10-31T11:56:19Z | POST | 402 | yes | 365 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| b7aa97e84b62a59eac43 | 2026-10-31T11:22:13Z | POST | 402 | yes | 201 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| 2f67f436a3b07a266d7b | 2026-10-31T10:46:22Z | POST | 402 | yes | 148 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| 8fbb65ee5b65a526aefd | 2026-10-31T10:12:21Z | POST | 402 | yes | 167 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| ef8a81718fbfca35d92f | 2026-10-31T09:38:31Z | POST | 402 | yes | 540 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| 70a0323d2579b6b415cf | 2026-10-31T09:04:18Z | POST | 402 | yes | 215 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| 35da137e669284e757e1 | 2026-10-31T08:30:19Z | POST | 402 | yes | 626 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| 6a646cbc601396c9e33c | 2026-10-31T07:54:30Z | POST | 402 | yes | 201 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| 162532f2021da268bcff | 2026-10-31T07:20:20Z | POST | 402 | yes | 350 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| 828ce3fdaf10de849d17 | 2026-10-31T06:46:22Z | POST | 402 | yes | 184 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| cc05b64968031937a4fe | 2026-10-31T06:12:16Z | POST | 402 | yes | 93 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| eb8ab70b08ee0b14e215 | 2026-10-31T05:38:15Z | POST | 402 | yes | 154 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| 2fbefabdd1344ded9191 | 2026-10-31T05:04:16Z | POST | 402 | yes | 639 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| 3445c262db64f61baedb | 2026-10-31T04:28:29Z | POST | 402 | yes | 359 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| 8115efa25b5bb09f4ec7 | 2026-10-31T03:54:20Z | POST | 402 | yes | 90 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| 3c225624660b2dc1a489 | 2026-10-31T03:20:21Z | POST | 402 | yes | 251 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| f91a17284a30aaadd019 | 2026-10-31T02:46:19Z | POST | 402 | yes | 442 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| a72d07e3ded6396c09c5 | 2026-10-31T01:36:50Z | POST | 402 | yes | 594 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| 5077235881c3e0666e1a | 2026-10-31T01:02:40Z | POST | 402 | yes | 588 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| d0fad7980911ac26d40b | 2026-10-31T00:28:20Z | POST | 402 | yes | 149 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| bac03f73652d41854ac5 | 2026-10-30T23:54:28Z | POST | 402 | yes | 6284 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| 36882ff52da25f346759 | 2026-10-30T23:20:15Z | POST | 402 | yes | 118 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| e87c44d4a583559a893b | 2026-10-30T22:46:16Z | POST | 402 | yes | 514 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| 8e3de45e8a875e83cc3c | 2026-10-30T22:10:34Z | POST | 402 | yes | 297 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| e8211b2001a0f2793278 | 2026-10-30T21:36:19Z | POST | 402 | yes | 121 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| a2a85df704225f23044e | 2026-10-30T21:02:24Z | POST | 402 | yes | 116 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| ce447a1e18c47d98c456 | 2026-10-30T20:28:20Z | POST | 402 | yes | 225 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| 76cb4e161548141498d1 | 2026-10-30T19:54:15Z | POST | 402 | yes | 178 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| 384d1cb471c6f09664f0 | 2026-10-30T19:18:29Z | POST | 402 | yes | 203 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| 51124f7123e37122557d | 2026-10-30T18:44:27Z | POST | 402 | yes | 206 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| e9d762aac326d1fdcab0 | 2026-10-30T18:10:56Z | POST | 402 | yes | 182 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
| 049b47d136b5ea0256ef | 2026-10-30T17:36:19Z | POST | 402 | yes | 178 | – | 20088 | 0xc22f9CAE… | 2112 | eb44bd94bc07fce9 | per-receipt | main | terms ok · Base USDC |
Seller? Reply or dispute. Amounts are in the asset's atomic units (USDC: 6 decimals).