x402-v2-mint-doaj-articles.vercel.app
Main route checked: POST https://x402-v2-mint-doaj-articles.vercel.app/v1/doaj-articles
Category: News/Research (tags: news) · 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 268 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 | 216 | 20055 | 1 | part lines 173-184 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| b6ebc4dad45fd71adbae | 2026-10-31T21:36:21Z | POST | 402 | yes | 349 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| bf45eec3c86d2bb04794 | 2026-10-31T21:00:33Z | POST | 402 | yes | 581 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| f7267300bcf7fd7f9eef | 2026-10-31T20:26:16Z | POST | 402 | yes | 119 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| eec8c28d33859e85b55c | 2026-10-31T19:50:21Z | POST | 402 | yes | 160 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| d670f97d7a133a11b410 | 2026-10-31T19:16:20Z | POST | 402 | yes | 553 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| 6acc8defd69f5aefbf4d | 2026-10-31T18:40:24Z | POST | 402 | yes | 346 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| 2798d5305bf56149b614 | 2026-10-31T18:12:39Z | POST | 402 | yes | 249 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| dd7ab3469ddcd2eec77e | 2026-10-31T17:38:27Z | POST | 402 | yes | 57 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| cb8783a932e48e9c831c | 2026-10-31T17:04:36Z | POST | 402 | yes | 611 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| 6820d85d91b04c283f6b | 2026-10-31T16:30:28Z | POST | 402 | yes | 650 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| ff4b0c8fe19f14fe680b | 2026-10-31T15:56:19Z | POST | 402 | yes | 449 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| ddda5801f40237e759ad | 2026-10-31T15:22:14Z | POST | 402 | yes | 195 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| 3222e2e0df6d1aeaa948 | 2026-10-31T14:46:51Z | POST | 402 | yes | 319 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| 599dcb69afd5e92f8828 | 2026-10-31T14:12:25Z | POST | 402 | yes | 458 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| 869f05cd1b492ab89bc3 | 2026-10-31T13:38:19Z | POST | 402 | yes | 268 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| 1b5a918f89bad3fd153a | 2026-10-31T13:04:17Z | POST | 402 | yes | 252 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| d6b8578adf58029192a1 | 2026-10-31T12:30:14Z | POST | 402 | yes | 116 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| 6dc2aee4175488f57874 | 2026-10-31T11:54:33Z | POST | 402 | yes | 146 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| a8a244fb6a5e0f423efe | 2026-10-31T11:20:33Z | POST | 402 | yes | 135 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| 675510753c52272de838 | 2026-10-31T10:46:20Z | POST | 402 | yes | 135 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| 3de2a9fdd6b8ec1917ca | 2026-10-31T10:12:18Z | POST | 402 | yes | 160 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| edc420a13dfd14552e01 | 2026-10-31T09:38:20Z | POST | 402 | yes | 351 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| ad80289cad6975cf6a0d | 2026-10-31T09:04:14Z | POST | 402 | yes | 180 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| 019f7260f3453bdcf55f | 2026-10-31T08:28:28Z | POST | 402 | yes | 135 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| 00d6b7a66c0f56b1bfa2 | 2026-10-31T07:54:25Z | POST | 402 | yes | 275 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| 81d02872e1db669b38ea | 2026-10-31T07:20:18Z | POST | 402 | yes | 121 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| 32d3b8c5ed4f0984305b | 2026-10-31T06:46:17Z | POST | 402 | yes | 223 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| be18be891176dfee566d | 2026-10-31T06:12:14Z | POST | 402 | yes | 113 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| d658830cd35e853d495c | 2026-10-31T05:36:39Z | POST | 402 | yes | 445 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| 939ef172a7c558c63975 | 2026-10-31T05:02:34Z | POST | 402 | yes | 265 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| 4b52c47dbb06d294477f | 2026-10-31T04:28:20Z | POST | 402 | yes | 149 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| d74af829b73e9cd51528 | 2026-10-31T03:54:17Z | POST | 402 | yes | 123 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| 257f1e08d3a5ece656e0 | 2026-10-31T03:20:16Z | POST | 402 | yes | 147 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| f6748e21162fddcb390a | 2026-10-31T02:46:14Z | POST | 402 | yes | 251 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| 1bfa081604393b8f92ff | 2026-10-31T01:36:38Z | POST | 402 | yes | 595 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| b25f992e60fbd464e16b | 2026-10-31T01:02:29Z | POST | 402 | yes | 613 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| cba4292294bae50716f5 | 2026-10-31T00:28:17Z | POST | 402 | yes | 163 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| 0198687bf47828943385 | 2026-10-30T23:54:16Z | POST | 402 | yes | 476 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| 02903f71f7b705901ef9 | 2026-10-30T23:18:36Z | POST | 402 | yes | 216 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| e6d918f2b57ed96614a2 | 2026-10-30T22:44:26Z | POST | 402 | yes | 80 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| ff9487008c2909dd4818 | 2026-10-30T22:10:27Z | POST | 402 | yes | 235 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| 1969c79a128d15efc6b8 | 2026-10-30T21:36:17Z | POST | 402 | yes | 148 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| 7f8058194ab1e68f9dff | 2026-10-30T21:02:17Z | POST | 402 | yes | 386 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| 8cd023ffa19de5480ad4 | 2026-10-30T20:28:14Z | POST | 402 | yes | 242 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| b5064eb2d9a59c3c8363 | 2026-10-30T19:52:31Z | POST | 402 | yes | 298 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| 683274fb80f442c6d9f0 | 2026-10-30T19:18:25Z | POST | 402 | yes | 190 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| 3cf35291a54f2535c255 | 2026-10-30T18:44:21Z | POST | 402 | yes | 195 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| 86720e6663842e58deb1 | 2026-10-30T18:10:53Z | POST | 402 | yes | 214 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
| ad3a404c90c87c7944fb | 2026-10-30T17:36:14Z | POST | 402 | yes | 208 | – | 20055 | 0xc22f9CAE… | 1980 | d8a766f018b93df3 | per-receipt | main | terms ok · Base USDC |
Seller? Reply or dispute. Amounts are in the asset's atomic units (USDC: 6 decimals).