x402-v2-mint-doi-metadata.vercel.app
Main route checked: POST https://x402-v2-mint-doi-metadata.vercel.app/v1/doi-metadata
Category: Other · Listing terms not shown (found through a directory we use only to find services) · Found in: cdp-bazaar, agentic-market, 402index-bazaar
Last check: 29 min ago · Recent checks with a valid payment request: 20/20 · Median response 208 ms
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Raw data · simple view · Badge: 
402 Challenge Checks
61 valid 402s checked: terms consistent 61, Base USDC offered 61, payTo changed vs previous check 0.
Daily History (Signed Aggregates, JSON)
| UTC Day | Checks | Valid 402 | Median ms | Quoted Amounts | PayTo Seen | Archive |
|---|---|---|---|---|---|---|
| 2026-11-01 | 41 | 41 | 201 | 5000 | 1 | part lines 5515-5555 |
| 2026-10-31 | 10 | 10 | 261 | 5000 | 1 | part lines 2476-2485 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 39513cc9c29ae1f890d8 | 2026-11-02T05:52:23Z | POST | 402 | yes | 176 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| ba08e3469a5f0c2bff7f | 2026-11-02T05:16:25Z | POST | 402 | yes | 224 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| db2a72af70f81ae4f953 | 2026-11-02T04:42:14Z | POST | 402 | yes | 122 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| 8f6de6d77107289a0f5e | 2026-11-02T04:06:16Z | POST | 402 | yes | 203 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| 9e43869c2c6184c87467 | 2026-11-02T03:30:18Z | POST | 402 | yes | 168 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| c1f9a82d401dc405d257 | 2026-11-02T02:54:29Z | POST | 402 | yes | 136 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| b289167bf79d6b15206d | 2026-11-02T02:18:31Z | POST | 402 | yes | 558 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| 866e1e29e3dac25abc60 | 2026-11-02T01:42:24Z | POST | 402 | yes | 208 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| 9cfc1860bc764be1c710 | 2026-11-02T01:08:16Z | POST | 402 | yes | 450 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| d57703f6ec3a732d2c23 | 2026-11-02T00:32:20Z | POST | 402 | yes | 402 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| 02727ec5710ebe1bef7d | 2026-11-01T23:56:18Z | POST | 402 | yes | 107 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| a92610408af4ed073d74 | 2026-11-01T23:20:29Z | POST | 402 | yes | 304 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| 1403b5e4a3921079d814 | 2026-11-01T22:44:41Z | POST | 402 | yes | 305 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| c701e9c6d4d51a20fdbf | 2026-11-01T22:10:13Z | POST | 402 | yes | 143 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| 112d20d0252ef91ba407 | 2026-11-01T21:34:18Z | POST | 402 | yes | 229 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| 8360c73e3304d10f2210 | 2026-11-01T20:58:23Z | POST | 402 | yes | 200 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| d3656101d549bc869c3c | 2026-11-01T20:22:20Z | POST | 402 | yes | 186 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| aa566e6f701df711b75f | 2026-11-01T19:46:31Z | POST | 402 | yes | 447 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| 11fccc04bba97fe423c3 | 2026-11-01T19:10:37Z | POST | 402 | yes | 467 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| 9c258808623e04847e59 | 2026-11-01T18:36:14Z | POST | 402 | yes | 90 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| 5cdf1c71a23147423f53 | 2026-11-01T18:00:33Z | POST | 402 | yes | 473 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| 3a31facadc099007ef84 | 2026-11-01T17:24:20Z | POST | 402 | yes | 215 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| f3ceed1bd95f532f74e2 | 2026-11-01T16:48:22Z | POST | 402 | yes | 247 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| a6ff848af34600f3e017 | 2026-11-01T16:12:25Z | POST | 402 | yes | 298 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| 47e64dd77cf02d663c9c | 2026-11-01T15:38:13Z | POST | 402 | yes | 173 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| f6721d12458a2578be10 | 2026-11-01T15:02:18Z | POST | 402 | yes | 324 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| ac411a91e4ebf472f1fe | 2026-11-01T14:26:17Z | POST | 402 | yes | 175 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| c60f3ab54ce39e1daf41 | 2026-11-01T13:50:19Z | POST | 402 | yes | 134 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| f4f12dbe38454269cffe | 2026-11-01T13:14:29Z | POST | 402 | yes | 186 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| b69767e8dc2a3df4b74b | 2026-11-01T12:38:28Z | POST | 402 | yes | 190 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| 4ce576df4131d253c8a1 | 2026-11-01T12:04:23Z | POST | 402 | yes | 141 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| fca063cb5fd90c9810f0 | 2026-11-01T11:28:42Z | POST | 402 | yes | 597 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| e39e9765bf1104e3dea1 | 2026-11-01T11:08:24Z | POST | 402 | yes | 175 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| bf73f9f36b17726212d4 | 2026-11-01T10:34:16Z | POST | 402 | yes | 380 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| 01e560bf8162f2f7a08e | 2026-11-01T09:58:31Z | POST | 402 | yes | 622 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| 349a413f93970cf9e25f | 2026-11-01T09:22:21Z | POST | 402 | yes | 128 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| 80c2004d432f29cc8763 | 2026-11-01T08:48:17Z | POST | 402 | yes | 208 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| 28d7397a097c189c7c34 | 2026-11-01T08:12:19Z | POST | 402 | yes | 107 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| 8c39674937184ff82b1f | 2026-11-01T07:38:13Z | POST | 402 | yes | 152 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| 063f410d23e407dd0102 | 2026-11-01T07:02:16Z | POST | 402 | yes | 119 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| a2b7697b39aaea88cae7 | 2026-11-01T06:26:20Z | POST | 402 | yes | 134 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| 91f2f204de68609d91df | 2026-11-01T05:52:15Z | POST | 402 | yes | 201 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| f1d55ec23a22b7a033f6 | 2026-11-01T05:16:21Z | POST | 402 | yes | 270 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| 788d3df6f0698d33bea6 | 2026-11-01T04:40:22Z | POST | 402 | yes | 185 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| 0a519eb463a9881d1a3d | 2026-11-01T04:06:19Z | POST | 402 | yes | 299 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| a627bb5366c6e55242d2 | 2026-11-01T03:30:18Z | POST | 402 | yes | 140 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| 9690b5c8a469e5620901 | 2026-11-01T02:54:41Z | POST | 402 | yes | 315 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| 2eff6926046d260387e7 | 2026-11-01T02:20:17Z | POST | 402 | yes | 342 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| 5f71858cd12b9186bf91 | 2026-11-01T01:44:23Z | POST | 402 | yes | 201 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| c1152879463c873cb518 | 2026-11-01T01:10:15Z | POST | 402 | yes | 479 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| ed282b5f3309c6838db0 | 2026-11-01T00:34:17Z | POST | 402 | yes | 131 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| 21fc4f451bbc1deef070 | 2026-10-31T23:58:35Z | POST | 402 | yes | 313 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| 557f783ba405dbf16639 | 2026-10-31T23:24:19Z | POST | 402 | yes | 194 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| b60d8d94fdc7c94d92cf | 2026-10-31T22:48:24Z | POST | 402 | yes | 223 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| 6a00dc47c14d6431d6ff | 2026-10-31T22:12:22Z | POST | 402 | yes | 198 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| 9243392b9d259beaca79 | 2026-10-31T21:38:22Z | POST | 402 | yes | 668 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| 62967b9bf75d74bf1c74 | 2026-10-31T21:02:22Z | POST | 402 | yes | 199 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| 7ae362d9d4866c6b33d3 | 2026-10-31T20:26:25Z | POST | 402 | yes | 107 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| eb8b2ac6d31360839e87 | 2026-10-31T19:52:18Z | POST | 402 | yes | 261 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| 5dfbcbae53a445a4b1f4 | 2026-10-31T19:16:34Z | POST | 402 | yes | 285 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
| 07aa15841da5e0390dea | 2026-10-31T18:42:14Z | POST | 402 | yes | 988 | – | 5000 | 0xc22f9CAE… | 1968 | 4ce9987ad09d1b47 | per-receipt | main | terms ok · Base USDC |
Seller? Reply or dispute. Amounts are in the asset's atomic units (USDC: 6 decimals).