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Independent MeasurementEndpoint record (L0 · L1)Published state: withdrawnLast probed: 2026-09-27 · 27 days ago

trade-production-180b.up.railway.app/baddebt

Withdrawn from the catalog. This route is absent from a complete fetch of the public discovery catalog, so it is left out of the public L0 fail count.

1.Catalog declaration

Catalog declaration for this endpoint
Resource URLhttps://trade-production-180b.up.railway.app/baddebt
Sourcecdp_bazaar
Declared methodGET
Catalog networkeip155:8453
Receiving address0x20d71310309b6a4982472f4a5eee131069a493a7
Declared price (base units)20000
Catalog statusdelisted (since 2026-09-28 01:02 UTC)
First seen / last seen2026-08-31 01:03 UTC / 2026-09-27 01:02 UTC
Catalog-reported calls / payers (30d)12 / 1

2.Probe history

2026-09-082026-09-27
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
2026-09-27 22:40 UTCGETfail404568 msno_402HTTP 404 instead of 402 to an unpaid GET.
2026-09-27 04:40 UTCGETfail404536 msno_402HTTP 404 instead of 402 to an unpaid GET.
2026-09-26 13:40 UTCGETpass402322 ms—
2026-09-25 16:40 UTCGETpass402117 ms—
2026-09-24 22:40 UTCGETpass402126 ms—
2026-09-24 04:40 UTCGETpass402214 ms—
2026-09-23 13:40 UTCGETpass402160 ms—
2026-09-22 16:40 UTCGETpass402106 ms—
2026-09-21 22:40 UTCGETpass402283 ms—
2026-09-21 04:40 UTCGETpass4021818 ms—
2026-09-20 16:40 UTCGETpass402378 ms—
2026-09-19 22:40 UTCGETpass402624 ms—
2026-09-19 04:40 UTCGETpass402203 ms—
2026-09-18 13:40 UTCGETpass402354 ms—
2026-09-17 16:40 UTCGETpass402496 ms—
2026-09-17 04:40 UTCGETpass402235 ms—
2026-09-16 13:40 UTCGETpass402151 ms—
2026-09-15 13:40 UTCGETpass402158 ms—
2026-09-14 22:40 UTCGETpass402461 ms—
2026-09-14 04:40 UTCGETpass4022212 ms—
2026-09-13 16:40 UTCGETpass402126 ms—
2026-09-12 22:40 UTCGETpass402219 ms—
2026-09-12 13:40 UTCGETpass402204 ms—
2026-09-11 22:40 UTCGETpass402431 ms—
2026-09-11 04:40 UTCGETpass402134 ms—
2026-09-10 17:40 UTCGETpass402291 ms—
2026-09-10 05:40 UTCGETpass402255 ms—
2026-09-09 14:40 UTCGETpass402114 ms—
2026-09-08 23:40 UTCGETpass402402 ms—
2026-09-08 14:40 UTCGETpass402154 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 matched the one-time value stored for that purchase, so the transaction is the one for this purchase. Stellar is not in this count. The Stellar re-read checks payer, payee, amount and asset. A row reads as amount + payee when the re-read matched payer, payee, amount and asset and did not bind a one-time value. That tier holds rows from before 2026-09-04 and Stellar rows. They keep the settled label rather than being demoted (methodology). settled is the transfer vet402 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 re-read the transfer on-chain in that chain's pinned settlement asset, and the on-chain re-read matched the one-time value stored for that purchase, so the transaction is the one for this purchase. Stellar is not in this count.
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 “attribution under review”; 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 txPayment chainLatency
09-06 01:00settled (nonce-bound)2000xcbaaf153…7939Base1445 ms
20000 units (≈ $0.02 USDC) · L2 no_declarationWhose 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. (trade-production-180b.up.railway.app · measured 2026-09-06)

[![vet402 receipt](https://vet402.com/api/badge/endpoint/4fe2b2ce-ca73-4139-90c6-708849557870.svg)](https://vet402.com/observatory/e/4fe2b2ce-ca73-4139-90c6-708849557870)

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

Catalog listing events, newest first
Detected onEventBeforeAfter
2026-09-28delisted{"status":"active"}{"status":"delisted"}

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

5.Dispute this record

A dispute does not start a purchase. The signed dispute route runs one fresh L0 check, an unpaid request.

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. This listing is not active in the catalog, so a dispute filed on the record form does not put it on the re-probe list. The record stays on this page. The scheduled L0 run is at 10:30 UTC. This listing is not on that run. Send the dispute to support@vet402.com. Published corrections are listed at /corrections. Operators who control the receiving address can also sign a dispute via POST /api/v1/observatory/disputes (API reference). That route runs one fresh L0 check under the normal publication gate. A later purchase comes from the regular schedule.

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