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Independent MeasurementEndpoint record (L0 · L1)Published state: passLast probed: 2026-10-15 · 5 days ago

api.delx.ai/api/v1/x402/text-reverse

1.Catalog declaration

Catalog declaration for this endpoint
Resource URLhttps://api.delx.ai/api/v1/x402/text-reverse
Sourcecdp_bazaar
Declared methodPOST
Networkeip155:8453
Receiving address0x9f8bd9875b3e0b632a24a3a7c73f7787175e73a2
Declared price (base units)1000
Catalog statusactive
First seen / last seen2026-08-14 08:39 UTC / 2026-10-20 01:01 UTC
Catalog-reported calls / payers (30d)3 / 3

2.Probe history

2026-09-202026-10-15
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
2026-10-15 15:40 UTCPOSTpass402347 ms—
2026-10-14 12:40 UTCPOSTpass4022480 ms—
2026-10-13 03:40 UTCPOSTpass402338 ms—
2026-10-12 03:40 UTCPOSTpass402450 ms—
2026-10-10 21:40 UTCPOSTpass402392 ms—
2026-10-09 21:40 UTCPOSTpass402328 ms—
2026-10-08 16:40 UTCPOSTpass402459 ms—
2026-10-07 16:40 UTCPOSTpass402401 ms—
2026-10-06 16:40 UTCPOSTpass402324 ms—
2026-10-05 22:40 UTCPOSTpass402452 ms—
2026-10-04 13:40 UTCPOSTpass402448 ms—
2026-10-03 16:40 UTCPOSTpass402487 ms—
2026-10-02 22:40 UTCPOSTpass402488 ms—
2026-10-01 22:40 UTCPOSTpass402372 ms—
2026-10-01 04:40 UTCPOSTpass402414 ms—
2026-09-30 13:40 UTCPOSTpass402476 ms—
2026-09-29 16:40 UTCPOSTpass402406 ms—
2026-09-28 22:40 UTCPOSTpass402439 ms—
2026-09-28 04:40 UTCPOSTpass402495 ms—
2026-09-27 13:40 UTCPOSTpass402353 ms—
2026-09-26 16:40 UTCPOSTpass402414 ms—
2026-09-25 22:40 UTCPOSTpass402572 ms—
2026-09-25 04:40 UTCPOSTpass402450 ms—
2026-09-24 13:40 UTCPOSTpass402326 ms—
2026-09-23 16:40 UTCPOSTpass402391 ms—
2026-09-22 22:40 UTCPOSTpass402348 ms—
2026-09-22 04:40 UTCPOSTpass4021180 ms—
2026-09-21 16:40 UTCPOSTpass4021122 ms—
2026-09-20 22:40 UTCPOSTpass402439 ms—
2026-09-20 04:40 UTCPOSTpass402123 ms—

3.L1 — real purchases

1 of 1 paid attempts settled on-chain, and 1 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 match
the response parsed as JSON and had the keys the listing marks as required. With an example that marks no key as required, a JSON object or array is enough.
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).
1/1
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
09-17 12:09settled (nonce-bound)2000xffbf6f86…e57a2101 ms
1000 units (≈ $0.001 USDC) · L2 matchWhose side: no failure (delivered)

Embed this record

Run this endpoint? Show the settle-through record vet402 measured — the badge reads 1/1 settled · 1 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: 1 of 1 paid attempts settled with an on-chain receipt, and 1 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.delx.ai · measured 2026-09-17)

[![vet402 receipt](https://vet402.com/api/badge/endpoint/3572056e-52f4-47c0-b07f-a6cd4cdc53fd.svg)](https://vet402.com/observatory/e/3572056e-52f4-47c0-b07f-a6cd4cdc53fd)

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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