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Independent MeasurementEndpoint record (L0 · L1)Published state: passLast probed: 2026-10-03 · 2 days ago

market.memoryapi.org/x402/market/news_sentiment

1.Catalog declaration

Catalog declaration for this endpoint
Resource URLhttps://market.memoryapi.org/x402/market/news_sentiment
Sourcecdp_bazaar
Declared methodGET
Networkeip155:8453
Receiving address0x24facafeb49b4e3facf0b3e69604a2f4640c9bf2
Declared price (base units)5000
Catalog statusactive
First seen / last seen2026-08-14 08:52 UTC / 2026-10-03 01:04 UTC
Catalog-reported calls / payers (30d)1 / 1

2.Probe history

2026-09-122026-10-03
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
2026-10-03 13:40 UTCGETpass402256 ms—
2026-10-02 13:40 UTCGETpass402203 ms—
2026-10-01 16:40 UTCGETpass40294 ms—
2026-09-30 22:40 UTCGETpass4022508 ms—
2026-09-30 04:40 UTCGETpass402712 ms—
2026-09-29 13:40 UTCGETpass402226 ms—
2026-09-28 16:40 UTCGETpass402230 ms—
2026-09-27 22:40 UTCGETpass402236 ms—
2026-09-27 04:40 UTCGETpass4022042 ms—
2026-09-26 13:40 UTCGETpass402258 ms—
2026-09-25 16:40 UTCGETpass402159 ms—
2026-09-24 22:40 UTCGETpass402116 ms—
2026-09-24 04:40 UTCGETpass402551 ms—
2026-09-23 13:40 UTCGETpass402126 ms—
2026-09-22 16:40 UTCGETpass402118 ms—
2026-09-21 22:40 UTCGETpass402230 ms—
2026-09-21 04:40 UTCGETpass402139 ms—
2026-09-20 13:40 UTCGETpass402177 ms—
2026-09-19 22:40 UTCGETpass402245 ms—
2026-09-19 04:40 UTCGETpass402148 ms—
2026-09-18 13:40 UTCGETpass402136 ms—
2026-09-17 16:40 UTCGETpass402208 ms—
2026-09-17 04:40 UTCGETpass402321 ms—
2026-09-16 13:40 UTCGETpass402142 ms—
2026-09-15 13:40 UTCGETpass40275 ms—
2026-09-14 22:40 UTCGETpass402251 ms—
2026-09-14 04:40 UTCGETpass402269 ms—
2026-09-13 16:40 UTCGETpass402127 ms—
2026-09-12 22:40 UTCGETpass40294 ms—
2026-09-12 13:40 UTCGETpass4022055 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 (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).
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
09-04 09:23settled (amount + payee)2000x5b5cbbf6…b0501022 ms
5000 units (≈ $0.005 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. (market.memoryapi.org · measured 2026-09-04)

[![vet402 receipt](https://vet402.com/api/badge/endpoint/c1318ede-9d35-4858-8a49-805271a078c1.svg)](https://vet402.com/observatory/e/c1318ede-9d35-4858-8a49-805271a078c1)

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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