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Independent MeasurementEndpoint record (L0 · L1)Published state: passLast probed: 2026-09-29 · today

x402dir.com/api/recommend

1.Catalog declaration

Catalog declaration for this endpoint
Resource URLhttps://x402dir.com/api/recommend
Sourcecdp_bazaar
Declared methodGET
Networkeip155:8453
Receiving address0x96da70311d3fdb8500b9ab0855e17f213db0c9aa
Declared price (base units)1000
Catalog statusactive
First seen / last seen2026-08-15 01:37 UTC / 2026-09-29 01:03 UTC
Catalog-reported calls / payers (30d)4 / 4

2.Probe history

2026-09-092026-09-29
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
2026-09-29 04:40 UTCGETpass4022930 ms—
2026-09-28 13:40 UTCGETpass402355 ms—
2026-09-27 16:40 UTCGETpass402956 ms—
2026-09-26 22:40 UTCGETpass4021016 ms—
2026-09-26 04:40 UTCGETpass402998 ms—
2026-09-25 13:40 UTCGETpass4021049 ms—
2026-09-24 16:40 UTCGETpass402802 ms—
2026-09-23 22:40 UTCGETpass4021190 ms—
2026-09-23 04:40 UTCGETpass402114 ms—
2026-09-22 13:40 UTCGETpass402971 ms—
2026-09-21 16:40 UTCGETpass4021144 ms—
2026-09-20 22:40 UTCGETpass402746 ms—
2026-09-20 13:40 UTCGETpass402304 ms—
2026-09-19 16:40 UTCGETpass402887 ms—
2026-09-18 22:40 UTCGETpass4021067 ms—
2026-09-18 04:40 UTCGETpass402974 ms—
2026-09-17 13:40 UTCGETpass402853 ms—
2026-09-16 22:40 UTCGETpass4021778 ms—
2026-09-15 22:40 UTCGETpass4021004 ms—
2026-09-15 04:40 UTCGETpass402256 ms—
2026-09-14 16:40 UTCGETpass402833 ms—
2026-09-13 22:40 UTCGETpass402934 ms—
2026-09-13 13:40 UTCGETpass402908 ms—
2026-09-12 16:40 UTCGETpass402910 ms—
2026-09-12 04:40 UTCGETpass402615 ms—
2026-09-11 13:40 UTCGETpass4021287 ms—
2026-09-10 23:40 UTCGETpass402950 ms—
2026-09-10 14:40 UTCGETpass402874 ms—
2026-09-09 17:40 UTCGETpass4021198 ms—
2026-09-09 05:40 UTCGETpass4021009 ms—

3.L1 — real purchases

0 of 2 paid attempts settled with a receipt, and 0 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.

2 of those paid attempts are held as inconclusive rather than counted against this seller (0 settled and answered 4xx, 2 answered 4xx with no settlement receipt, 0 answered 402 or 5xx while our own payer wallet was out of USDC, 2026-09-13 00:00 to 2026-09-15 23:49 UTC). A 4xx says the request was not one the server would accept, and we cannot rule out that the request was ours to get wrong: vet402 buys with no API key of the seller's, and sends a POST body only when the seller declares one. This is the same principle the methodology already applied to path_template URLs, applied to the body and the authentication header as well. The rows are not deleted and not hidden — they are below, with their status and HTTP code, and they are out of the denominator for delivered (corrections).

2 of the paid attempts failed on vet402's side (for example our wallet was out of USDC, or we did not send the input the listing declares). The rows stay in the table.

Terms in this table

settle_failed
vet402 signed a payment and got no settlement receipt back.
unsettled_4xx
held_reason in the export: the paid request got a 4xx with no settlement receipt and no transaction.
L2 not_checked
not checked: the paid request did not answer 200, so there was no response to check against the listing's output schema.
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).
0/2
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
09-26 06:01settle_failed400—419 ms
1000 units (≈ $0.001 USDC) · L2 not_checkedWhose side: vet402's side
09-04 09:24settle_failed400—1154 ms
1000 units (≈ $0.001 USDC) · L2 not_checkedWhose side: vet402's side

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 2026-09-26T06:01:55Z (UTC). The form starts with that time; add what you saw instead.

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x402dir.com/api/recommend — x402 purchase and probe record | vet402