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

api.ozdreamtools.de/api/x402-demand

1.Catalog declaration

Catalog declaration for this endpoint
Resource URLhttps://api.ozdreamtools.de/api/x402-demand
Sourcecdp_bazaar
Declared methodPOST
Networkeip155:8453
Receiving address0x4dd5e59475a55f1c2c0816469600663cb74cc1dc
Declared price (base units)10000
Catalog statusactive
First seen / last seen2026-08-14 08:39 UTC / 2026-09-29 01:02 UTC
Catalog-reported calls / payers (30d)2 / 2

2.Probe history

2026-08-162026-09-28
Figure 1. Probe timeline, last 18 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 UTCPOSTpass402458 ms—
2026-09-28 04:40 UTCPOSTpass402928 ms—
2026-09-27 13:40 UTCPOSTpass402944 ms—
2026-09-26 16:40 UTCPOSTpass402623 ms—
2026-09-25 22:40 UTCPOSTpass402925 ms—
2026-09-25 04:40 UTCPOSTpass402475 ms—
2026-09-24 13:40 UTCPOSTpass402274 ms—
2026-09-23 16:40 UTCPOSTpass402555 ms—
2026-09-22 22:40 UTCPOSTpass402781 ms—
2026-09-22 04:40 UTCPOSTpass402694 ms—
2026-09-21 13:40 UTCPOSTpass402911 ms—
2026-09-20 16:40 UTCPOSTpass402466 ms—
2026-09-20 04:40 UTCPOSTpass402417 ms—
2026-09-19 13:40 UTCPOSTpass402443 ms—
2026-09-18 16:40 UTCPOSTpass402581 ms—
2026-09-17 22:40 UTCPOSTpass402491 ms—
2026-09-17 11:24 UTCPOSTpass402440 ms—
2026-08-16 10:39 UTCPOSTfail402513 msaccepts_invalid402 without a payable accept in the header or the body (which part was missing was not recorded before the 2026-09-29 change).

3.L1 — real purchases

1 of 1 paid attempts settled with a receipt, and 1 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.
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).
1/1
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
09-17 12:08settled (nonce-bound)2000xd3b344e2…ecf61687 ms
10000 units (≈ $0.01 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. (api.ozdreamtools.de · measured 2026-09-17)

[![vet402 receipt](https://vet402.com/api/badge/endpoint/a44c06cf-4274-4d56-8bdf-56b8d20b331e.svg)](https://vet402.com/observatory/e/a44c06cf-4274-4d56-8bdf-56b8d20b331e)

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
2026-09-17relisted{"status":"delisted"}{"status":"active"}
2026-08-26delisted{"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

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 2026-09-17T12:08:37Z (UTC). The form starts with that time; add what you saw instead.

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