x402engine.app

Solana, Tempo and Base

Graded from Solana, Tempo and Base purchases only. Listed on the Sellers page.

vet402 paid this seller 17 times with its own money (Solana 17), most recently on 2026-10-07 (UTC). 17 settled on chain; 17 came back with an answer.

vet402 bought this seller again on 9 UTC days since 2026-09-29 (Solana 16), to the same payTo and at no more than the earlier price. It costs the seller nothing, and there is nothing to sign up for.

B grade B: comes back with an answer 75%+ of the time · Rank 2 of 101 on this page.

17 / 17
came back, of counted (100%)
0.82 to 1.00
95% interval
2026-10-07
last bought · 10 days counted
00.51

Came back, of counted, per chain: Solana 17/17. 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: not checked.

Not counted

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

Not bought at all: skipped by vet402 7.

Counted against this seller

0seller side counted in the grade

None.

How each failure is assigned

Recent purchases

Each tx links to a public explorer.

  1. 2026-10-07 02:32 UTC · Solana · came back with an answer YQWefG2f…qrViem
    https://x402engine.app/api/crypto/price
  2. 2026-10-06 14:38 UTC · Solana · came back with an answer Wv7SN8g7…JZXx9m
    https://x402engine.app/api/crypto/price
  3. 2026-10-06 01:15 UTC · Solana · came back with an answer hqDe9a3K…BK7yni
    https://x402engine.app/api/crypto/price
  4. 2026-10-05 05:52 UTC · Solana · came back with an answer eL64XQTE…AiYJQj
    https://x402engine.app/api/crypto/price
  5. 2026-10-04 13:27 UTC · Solana · came back with an answer 62nVDEkA…VQQrJ8
    https://x402engine.app/api/crypto/price
  6. 2026-10-04 01:27 UTC · Solana · came back with an answer 2XAKiEH8…PsFxKf
    https://x402engine.app/api/crypto/price
  7. 2026-10-03 13:33 UTC · Solana · came back with an answer 5b17NDsk…MWeqhb
    https://x402engine.app/api/crypto/price
  8. 2026-10-03 01:26 UTC · Solana · came back with an answer 25vg39zk…rCtG1g
    https://x402engine.app/api/crypto/price
  9. 2026-10-02 13:35 UTC · Solana · came back with an answer 4GSgpXSZ…PgFeeS
    https://x402engine.app/api/crypto/price
  10. 2026-10-02 01:30 UTC · Solana · came back with an answer 2DQSZjKm…AyE31R
    https://x402engine.app/api/crypto/price

Signed delivery records

One page per purchase that came back with an answer, signed by vet402 and included in a daily Merkle root. Each page shows how to check it without trusting vet402.

  1. 2026-09-28 · Solana · obs_2026-09-28_000029
  2. 2026-09-29 · Solana · obs_2026-09-29_000243
  3. 2026-09-29 · Solana · obs_2026-09-29_000368
  4. 2026-09-30 · Solana · obs_2026-09-30_000459
  5. 2026-09-30 · Solana · obs_2026-09-30_000585
  6. 2026-10-01 · Solana · obs_2026-10-01_000674
  7. 2026-10-01 · Solana · obs_2026-10-01_000780
  8. 2026-10-02 · Solana · obs_2026-10-02_000865
  9. 2026-10-02 · Solana · obs_2026-10-02_000980
  10. 2026-10-03 · Solana · obs_2026-10-03_001065
  11. 2026-10-03 · Solana · obs_2026-10-03_001179
  12. 2026-10-04 · Solana · obs_2026-10-04_001265
  13. 2026-10-04 · Solana · obs_2026-10-04_001381
  14. 2026-10-05 · Solana · obs_2026-10-05_001466
  15. 2026-10-06 · Solana · obs_2026-10-06_001583
  16. 2026-10-06 · Solana · obs_2026-10-06_001695

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