gateway-x402.vercel.app

Algorand

From vet402-algorand, a separate project; graded apart from Solana, Tempo and Base. Listed on the Algorand page.

vet402 paid this seller 10 times with its own money (Algorand 10), most recently on 2026-09-28 (UTC). 10 with a settlement receipt; 4 came back with an answer; 6 with a settlement receipt, and nothing usable came back.

It costs the seller nothing, and there is nothing to sign up for.

? undecided · Rank 24 of 24 on this page, no grade yet: the interval is too wide.

4 / 10
came back, of counted (40.0%)
0.17 to 0.69
95% interval
2026-09-28
last bought · 2 days counted
00.51

Came back, of counted, per chain: Algorand 4/10. Came back with an answer = vet402's payment settled, then the seller answered 2xx with a non-empty body. vet402 did not check that the answer is what the listing promised; whether its keys matched what the seller declared is a separate column.

Separate column, not in the grade. Answer matched what the seller declared: 2 of 2 checked.

Not counted

0vet402 or facilitator side not counted
0can't tell not counted

Counted against this seller

6seller side counted in the grade
settled not delivered 6
  1. 2026-09-28 01:31 UTC · Algorand · settled not delivered · HTTP 402 UJMRGXWM…CRKLAA
    https://gateway-x402.vercel.app/probe?url=https%3A%2F%2Fexample.com%2Fx402
    runner said: payment_failed · status 402, Transaction simulation failed: transaction already in ledger: LOCC2VTUE3B3AGGWA3D7FN47GQQKP7A43GAIYODIWZ25MMKTO4BA · settled on chain: vet402's transfer UJMRGXWMVS76EBKQCV4F2VXOMWLV3FA5BYR…
  2. 2026-09-28 01:30 UTC · Algorand · settled not delivered · HTTP 402 JORFXNJR…F34RYA
    https://gateway-x402.vercel.app/probe
    runner said: payment_failed · status 402, Transaction simulation failed: transaction already in ledger: GDZ6LONCGYTM2S7IEP7AQT7BDELLENY3IJWXVJ4MXQUW5Y7WCV7Q · settled on chain: vet402's transfer JORFXNJRTP7MRXDESMXXLSTZT4SWYCJNG4O…
  3. 2026-09-28 01:25 UTC · Algorand · settled not delivered · HTTP 402 BNDAE7VS…YZIYWQ
    https://gateway-x402.vercel.app/discover?q=best+yield+on+algorand&limit=5
    runner said: payment_failed · status 402, Transaction simulation failed: transaction already in ledger: X4XM7ZJ3BBWNHMYPYC3RX3PY4IAG2NVFYIY3JKJ74QPSJUQ33PUQ · settled on chain: vet402's transfer BNDAE7VS74VREBS3XJCF5CNOVH77VZEISO6…
  4. 2026-09-27 04:36 UTC · Algorand · settled not delivered · HTTP 402 P25A5IUF…QZRLUA
    https://gateway-x402.vercel.app/probe?url=https%3A%2F%2Fexample.com%2Fx402
    runner said: payment_failed · status 402, Transaction simulation failed: transaction already in ledger: 7RU7OBL6FE4GBFTZEEF5RZNA2RDG5PZ5XPL2M5IGO2DT5KHTUSFA · settled on chain: vet402's transfer P25A5IUF5KC5MH2W72UWPUBIHQPI7QBIPSO…
  5. 2026-09-27 04:36 UTC · Algorand · settled not delivered · HTTP 402 EDZW62HZ…7B5NNQ
    https://gateway-x402.vercel.app/probe
    runner said: payment_failed · status 402, Transaction simulation failed: transaction already in ledger: F7JYHO4M2IJLBN43WIYCB6G7EJW7VYDT4WIRBQAJG7A2R4O2G3PA · settled on chain: vet402's transfer EDZW62HZGU2QUYJKBYFEYGPH4QXEADBLXSF…
  6. 2026-09-27 04:34 UTC · Algorand · settled not delivered · HTTP 402 E4IQN3GH…5WKSTA
    https://gateway-x402.vercel.app/discover?q=best+yield+on+algorand&limit=5
    runner said: payment_failed · status 402, Transaction simulation failed: transaction already in ledger: FERMVIUU246OT75GIPI54SSZ6TS3LHPSSZ43T747EXYZFUAWFQIQ · settled on chain: vet402's transfer E4IQN3GHQ6AHYKKRIS5D6DD5GE4OXCA3G6Z…

How each failure is assigned

Recent purchases

Each tx links to a public explorer.

  1. 2026-09-28 01:33 UTC · Algorand · came back with an answer KZ6YW34M…WDT46A
    https://gateway-x402.vercel.app/discover/batch?q=yield%2Crisk%2Cdata
  2. 2026-09-28 01:31 UTC · Algorand · seller side: settled not delivered UJMRGXWM…CRKLAA
    https://gateway-x402.vercel.app/probe?url=https%3A%2F%2Fexample.com%2Fx402
  3. 2026-09-28 01:30 UTC · Algorand · seller side: settled not delivered JORFXNJR…F34RYA
    https://gateway-x402.vercel.app/probe
  4. 2026-09-28 01:28 UTC · Algorand · came back with an answer PM5CLBEG…7QEDGQ
    https://gateway-x402.vercel.app/diff?since=2026-07-23T00%3A00%3A00.000Z
  5. 2026-09-28 01:25 UTC · Algorand · seller side: settled not delivered BNDAE7VS…YZIYWQ
    https://gateway-x402.vercel.app/discover?q=best+yield+on+algorand&limit=5
  6. 2026-09-27 04:40 UTC · Algorand · came back with an answer M3FX5WOZ…KJK4UQ
    https://gateway-x402.vercel.app/discover/batch?q=yield%2Crisk%2Cdata
  7. 2026-09-27 04:36 UTC · Algorand · seller side: settled not delivered P25A5IUF…QZRLUA
    https://gateway-x402.vercel.app/probe?url=https%3A%2F%2Fexample.com%2Fx402
  8. 2026-09-27 04:36 UTC · Algorand · came back with an answer JW7GZ3BK…OS6IEQ
    https://gateway-x402.vercel.app/diff?since=2026-07-23T00%3A00%3A00.000Z
  9. 2026-09-27 04:36 UTC · Algorand · seller side: settled not delivered EDZW62HZ…7B5NNQ
    https://gateway-x402.vercel.app/probe
  10. 2026-09-27 04:34 UTC · Algorand · seller side: settled not delivered E4IQN3GH…5WKSTA
    https://gateway-x402.vercel.app/discover?q=best+yield+on+algorand&limit=5

Are you the seller?

Is a row wrong? A seller who thinks a row is wrong opens a GitHub issue with the URL or tx. vet402 checks it against the chain and the raw result; a wrong row is fixed and the fix is noted in the change log.

Tell vet402 a row is wrong (GitHub issue, prefilled)

Signed records of failed purchases are published only after the seller is told. More for sellers