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Independent MeasurementEndpoint record (L0 · L1)Published state: passLast probed: 2026-09-28 · 1 day ago

api.oblique.markets/api/v1/paid/x402-facilitator-health

1.Catalog declaration

Catalog declaration for this endpoint
Resource URLhttps://api.oblique.markets/api/v1/paid/x402-facilitator-health
Sourcecdp_bazaar
Declared methodGET
Networkeip155:8453
Receiving address0x970007590acc5c938cd51345b17af51b1b40d3ab
Declared price (base units)3000
Catalog statusactive
First seen / last seen2026-08-14 08:39 UTC / 2026-09-29 01:02 UTC
Catalog-reported calls / payers (30d)13 / 7

2.Probe history

2026-09-092026-09-28
Figure 1. Probe timeline, last 30 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
2026-09-28 22:40 UTCGETpass40220 ms—
2026-09-28 04:40 UTCGETpass40293 ms—
2026-09-27 13:40 UTCGETpass402210 ms—
2026-09-26 16:40 UTCGETpass402123 ms—
2026-09-25 22:40 UTCGETpass402118 ms—
2026-09-25 04:40 UTCGETpass40294 ms—
2026-09-24 13:40 UTCGETpass402423 ms—
2026-09-23 16:40 UTCGETpass4022322 ms—
2026-09-22 22:40 UTCGETpass402139 ms—
2026-09-22 13:40 UTCGETpass402124 ms—
2026-09-21 16:40 UTCGETpass402331 ms—
2026-09-20 22:40 UTCGETpass402241 ms—
2026-09-20 04:40 UTCGETpass402281 ms—
2026-09-19 13:40 UTCGETpass40245 ms—
2026-09-18 16:40 UTCGETpass40219 ms—
2026-09-17 22:40 UTCGETpass40276 ms—
2026-09-17 13:40 UTCGETpass402122 ms—
2026-09-16 16:40 UTCGETpass402257 ms—
2026-09-15 16:40 UTCGETpass40235 ms—
2026-09-15 04:40 UTCGETpass402145 ms—
2026-09-14 13:40 UTCGETpass40275 ms—
2026-09-13 22:40 UTCGETpass40238 ms—
2026-09-13 04:40 UTCGETpass402256 ms—
2026-09-12 16:40 UTCGETpass40221 ms—
2026-09-12 04:40 UTCGETpass40269 ms—
2026-09-11 13:40 UTCGETpass40249 ms—
2026-09-10 23:40 UTCGETpass40258 ms—
2026-09-10 14:40 UTCGETpass40253 ms—
2026-09-09 17:40 UTCGETpass402175 ms—
2026-09-09 05:40 UTCGETpass40230 ms—

3.L1 — real purchases

5 of 5 paid attempts settled with a receipt, and 5 of those also returned a 2xx response (delivered). Each settled row carries its on-chain transaction hash — the receipt is the evidence. 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.
settled (amount + payee)
vet402 confirmed the USDC transfer on-chain; the on-chain re-read matched amount, payee, asset and chain; no nonce was on record (rows before 2026-09-04).
L2 no_declaration
the listing declares no output schema to check the response against.
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).
5/5
Figure 2. Settle-through: one cell per paid attempt. Filled = settled with an on-chain receipt, crossed = signed, and not settled on-chain.
L1 purchase history, newest first
Attempted atResultHTTPReceipt (tx)Latency
09-16 12:09settled (nonce-bound)2000x81bb4608…85621253 ms
3000 units (≈ $0.003 USDC) · L2 no_declarationWhose side: no failure (delivered)
09-10 01:02settled (nonce-bound)2000xc8f39604…03d63720 ms
3000 units (≈ $0.003 USDC) · L2 no_declarationWhose side: no failure (delivered)
08-28 12:19settled (amount + payee)2000x17abc838…5e7a946 ms
3000 units (≈ $0.003 USDC) · L2 no_declarationWhose side: no failure (delivered)
08-21 12:21settled (amount + payee)2000xda6c77d6…5177905 ms
3000 units (≈ $0.003 USDC) · L2 no_declarationWhose side: no failure (delivered)
08-14 10:11settled (amount + payee)2000x403c025c…44bf748 ms
3000 units (≈ $0.003 USDC) · L2 no_declarationWhose side: no failure (delivered)

Embed this record

Run this endpoint? Show the settle-through record vet402 measured — the badge reads 5/5 settled · 5 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: 5 of 5 paid attempts settled with an on-chain receipt, and 5 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. (api.oblique.markets · measured 2026-09-16)

[![vet402 receipt](https://vet402.com/api/badge/endpoint/2738bc30-0523-4302-991a-0fe759d01e35.svg)](https://vet402.com/observatory/e/2738bc30-0523-4302-991a-0fe759d01e35)

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.

About the purchase at 2026-08-21T12:21:41Z (UTC). The form starts with that time; add what you saw instead.

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