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Independent MeasurementEndpoint record (L0 · L1)Published state: passLast probed: 2026-10-20 · today

groq.x402.paywithlocus.com/groq/models

1.Catalog declaration

Catalog declaration for this endpoint
Resource URLhttps://groq.x402.paywithlocus.com/groq/models
Sourcecdp_bazaar
Declared methodPOST
Networkeip155:8453
Receiving address0x3c5cbe28eca3b96023c45d3f877da834f1c7d5fa
Declared price (base units)5000
Catalog statusactive
First seen / last seen2026-08-31 01:03 UTC / 2026-10-20 01:01 UTC
Catalog-reported calls / payers (30d)3 / 3

2.Probe history

2026-09-042026-10-20
Figure 1. Probe timeline, last 26 probes for this endpoint (UTC). Filled = pass, crossed = fail, dashed = unverified. Same-day probes overlap. Marks closer than one mark width are stepped down one lane.
L0 probe history, newest first
Probed atMethodVerdictHTTPLatencyReason
2026-10-20 04:40 UTCPOSTpass402368 ms—
2026-10-18 13:40 UTCPOSTpass402316 ms—
2026-10-17 04:40 UTCPOSTpass402505 ms—
2026-10-15 15:40 UTCPOSTpass402384 ms—
2026-10-14 12:40 UTCPOSTpass402418 ms—
2026-10-12 21:40 UTCPOSTpass402417 ms—
2026-10-11 21:40 UTCPOSTpass402582 ms—
2026-10-10 21:40 UTCPOSTpass402364 ms—
2026-10-09 21:40 UTCPOSTpass402392 ms—
2026-10-08 16:40 UTCPOSTpass402644 ms—
2026-10-07 13:40 UTCPOSTpass402511 ms—
2026-10-06 16:40 UTCPOSTpass402744 ms—
2026-10-05 04:40 UTCPOSTpass4022178 ms—
2026-10-04 13:40 UTCPOSTpass402278 ms—
2026-10-03 13:40 UTCPOSTpass402380 ms—
2026-10-02 16:40 UTCPOSTpass402312 ms—
2026-10-01 22:40 UTCPOSTpass402401 ms—
2026-10-01 04:40 UTCPOSTpass402348 ms—
2026-09-30 13:40 UTCPOSTpass402671 ms—
2026-09-27 10:31 UTCPOSTpass402267 ms—
2026-09-23 10:30 UTCPOSTpass402352 ms—
2026-09-19 11:24 UTCPOSTpass402255 ms—
2026-09-17 11:24 UTCPOSTpass402266 ms—
2026-09-12 11:24 UTCPOSTpass402312 ms—
2026-09-09 11:24 UTCPOSTpass402303 ms—
2026-09-04 11:24 UTCPOSTpass402327 ms—

3.L1 — real purchases

2 of 2 paid attempts settled on-chain, and 2 of those also returned a 2xx response (delivered). Each settled row carries its on-chain transaction hash, and that transaction is the evidence. On this page a receipt means the seller's own settlement receipt (PAYMENT-RESPONSE); a settled row can have none (see “tx from our index”). A settled row reads as nonce-bound when the on-chain re-read also matched the one-time signature nonce we generated for that purchase, and amount + payee when it matched amount, payee, asset and chain with no nonce on record — the binding shipped on 2026-09-04, so earlier rows carry the weaker evidence and keep their label rather than being demoted (methodology). settled is the transfer we confirmed on-chain; delivered is the response arriving. A settled row whose paid request answered 5xx counts as settled and not as delivered — definitions.

Terms in this table

settled (nonce-bound)
vet402 confirmed the USDC transfer on-chain, and the on-chain re-read also matched the one-time nonce vet402 signed for that purchase.
L2 no_declaration
the listing's output schema gave vet402 nothing to check this response against (no schema, a schema with no required keys and no example properties, or example properties with a content type that is not JSON). An output example the seller puts in the 402 (extensions.bazaar.info.output.example) is not checked yet.
Whose side
the same words as the seller page: seller's side only after failures on two different days (UTC), marked “under re-check”; vet402's side; or not sorted (the rules).
2/2
Figure 2. Settle-through: one cell per paid attempt. Filled = settled on-chain, crossed = signed, and not settled on-chain.
L1 purchase history, newest first
Attempted atResultHTTPOn-chain txLatency
10-10 17:02settled (nonce-bound)2000xc7237d64…89191879 ms
5000 units (≈ $0.005 USDC) · L2 no_declarationWhose side: no failure (delivered)
09-30 03:31settled (nonce-bound)2000xa55125ac…53511980 ms
5000 units (≈ $0.005 USDC) · L2 no_declarationWhose side: no failure (delivered)

Embed this record

Run this endpoint? Show the settle-through record vet402 measured — the badge reads 2/2 settled · 2 delivered and updates as the record grows. It carries the host it is about and the date it was last measured, so a saved copy cannot pass itself off as current. It states a measurement, not a rating.

vet402: 2 of 2 paid attempts settled with an on-chain receipt, and 2 of those also returned a 2xx response. settled is the confirmed transfer; delivered is the response arriving. A measurement of what happened when vet402 paid this endpoint, not a recommendation. (groq.x402.paywithlocus.com · measured 2026-10-10)

[![vet402 receipt](https://vet402.com/api/badge/endpoint/9d995baa-ce30-4945-af4f-9e83b2c4611e.svg)](https://vet402.com/observatory/e/9d995baa-ce30-4945-af4f-9e83b2c4611e)

Get one email when this record's verdict changes. No digest, no marketing — one message per change, and only for this endpoint. We first send one confirmation email; nothing else goes out until you confirm.

4.Catalog listing events

No listing changes observed.

unverified is not a failure; a fail is published only after two consecutive failing probes. Definitions: methodology.

5.Dispute this record

Think a measurement above is wrong? Say which probe or purchase and what you observed instead. One person reads it and replies. The record is never deleted on dispute: if it was wrong, the correction is published with the same weight; if it was right, it stands. Operators who control the receiving address can also sign a dispute via POST /api/v1/observatory/disputes (API reference), which re-measures through the normal publication gate.

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