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Independent MeasurementEndpoint record (L0 · L1)Published state: withdrawnLast probed: 2026-09-30 · 24 days ago

api.hergertsynthora.com/v1/market-sentiment

Withdrawn from the catalog.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://api.hergertsynthora.com/v1/market-sentiment
Sourcecdp_bazaar
Declared methodPOST
Catalog networkeip155:8453
Receiving address0xef879bfd6c4accb8f795136de90246e1ec245e06
Declared price (base units)30000
Catalog statusdelisted (since 2026-10-19 13:03 UTC)
First seen / last seen2026-08-14 08:39 UTC / 2026-10-19 01:02 UTC
Catalog-reported calls / payers (30d)1 / 1

2.Probe history

2026-09-102026-09-30
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
2026-09-30 22:40 UTCPOSTfail402195 msmetadata_mismatchDeclared payTo 0x6d9f…c167 on eip155:8453; the 402 offered 0xEf87…5e06 on eip155:8453.
2026-09-30 04:40 UTCPOSTfail402486 msmetadata_mismatchDeclared payTo 0x6d9f…c167 on eip155:8453; the 402 offered 0xEf87…5e06 on eip155:8453.
2026-09-29 10:30 UTCPOSTfail402194 msmetadata_mismatchDeclared payTo 0x6d9f…c167 on eip155:8453; the 402 offered 0xEf87…5e06 on eip155:8453.
2026-09-29 04:40 UTCPOSTfail402235 msmetadata_mismatchpayTo or network differs from the catalog declaration (the values compared were not recorded before the 2026-09-29 change).
2026-09-28 13:40 UTCPOSTfail402379 msmetadata_mismatchpayTo or network differs from the catalog declaration (the values compared were not recorded before the 2026-09-29 change).
2026-09-27 16:40 UTCPOSTfail402414 msmetadata_mismatchpayTo or network differs from the catalog declaration (the values compared were not recorded before the 2026-09-29 change).
2026-09-26 22:40 UTCPOSTfail5021483 msno_402HTTP 502 instead of 402 to an unpaid POST.
2026-09-26 04:40 UTCPOSTfail402694 msmetadata_mismatchpayTo or network differs from the catalog declaration (the values compared were not recorded before the 2026-09-29 change).
2026-09-25 13:40 UTCPOSTfail402676 msmetadata_mismatchpayTo or network differs from the catalog declaration (the values compared were not recorded before the 2026-09-29 change).
2026-09-24 16:40 UTCPOSTfail402480 msmetadata_mismatchpayTo or network differs from the catalog declaration (the values compared were not recorded before the 2026-09-29 change).
2026-09-23 22:40 UTCPOSTfail402569 msmetadata_mismatchpayTo or network differs from the catalog declaration (the values compared were not recorded before the 2026-09-29 change).
2026-09-23 04:40 UTCPOSTfail402457 msmetadata_mismatchpayTo or network differs from the catalog declaration (the values compared were not recorded before the 2026-09-29 change).
2026-09-22 13:40 UTCPOSTfail402528 msmetadata_mismatchpayTo or network differs from the catalog declaration (the values compared were not recorded before the 2026-09-29 change).
2026-09-21 16:40 UTCPOSTfail402334 msmetadata_mismatchpayTo or network differs from the catalog declaration (the values compared were not recorded before the 2026-09-29 change).
2026-09-20 22:40 UTCPOSTfail402115 msmetadata_mismatchpayTo or network differs from the catalog declaration (the values compared were not recorded before the 2026-09-29 change).
2026-09-20 13:40 UTCPOSTfail4021022 msmetadata_mismatchpayTo or network differs from the catalog declaration (the values compared were not recorded before the 2026-09-29 change).
2026-09-19 16:40 UTCPOSTfail402473 msmetadata_mismatchpayTo or network differs from the catalog declaration (the values compared were not recorded before the 2026-09-29 change).
2026-09-18 22:40 UTCPOSTfail402720 msmetadata_mismatchpayTo or network differs from the catalog declaration (the values compared were not recorded before the 2026-09-29 change).
2026-09-18 04:40 UTCPOSTfail402302 msmetadata_mismatchpayTo or network differs from the catalog declaration (the values compared were not recorded before the 2026-09-29 change).
2026-09-17 13:40 UTCPOSTfail402820 msmetadata_mismatchpayTo or network differs from the catalog declaration (the values compared were not recorded before the 2026-09-29 change).
2026-09-16 22:40 UTCPOSTfail402119 msmetadata_mismatchpayTo or network differs from the catalog declaration (the values compared were not recorded before the 2026-09-29 change).
2026-09-15 22:40 UTCPOSTfail402346 msmetadata_mismatchpayTo or network differs from the catalog declaration (the values compared were not recorded before the 2026-09-29 change).
2026-09-15 04:40 UTCPOSTfail402428 msmetadata_mismatchpayTo or network differs from the catalog declaration (the values compared were not recorded before the 2026-09-29 change).
2026-09-14 16:40 UTCPOSTfail402312 msmetadata_mismatchpayTo or network differs from the catalog declaration (the values compared were not recorded before the 2026-09-29 change).
2026-09-13 22:40 UTCPOSTfail402379 msmetadata_mismatchpayTo or network differs from the catalog declaration (the values compared were not recorded before the 2026-09-29 change).
2026-09-13 13:40 UTCPOSTfail402668 msmetadata_mismatchpayTo or network differs from the catalog declaration (the values compared were not recorded before the 2026-09-29 change).
2026-09-12 22:40 UTCPOSTfail402542 msmetadata_mismatchpayTo or network differs from the catalog declaration (the values compared were not recorded before the 2026-09-29 change).
2026-09-12 04:40 UTCPOSTfail402754 msmetadata_mismatchpayTo or network differs from the catalog declaration (the values compared were not recorded before the 2026-09-29 change).
2026-09-11 16:40 UTCPOSTfail402456 msmetadata_mismatchpayTo or network differs from the catalog declaration (the values compared were not recorded before the 2026-09-29 change).
2026-09-10 23:40 UTCPOSTfail402419 msmetadata_mismatchpayTo or network differs from the catalog declaration (the values compared were not recorded before the 2026-09-29 change).

3.L1 — real purchases

2 of 2 paid attempts settled on-chain, and 2 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 (amount + payee)
vet402 re-read the transfer on-chain in that chain's pinned settlement asset: the on-chain re-read matched payer, payee, amount and asset and did not bind a one-time value (rows before 2026-09-04, and Stellar).
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).
2/2
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
08-24 23:35settled (amount + payee)2000x73a5a287…3b75Base2496 ms
30000 units (≈ $0.03 USDC) · L2 no_declarationWhose side: no failure (delivered)
08-17 12:48settled (amount + payee)2000xfdcac94c…5ba0Base2055 ms
30000 units (≈ $0.03 USDC) · L2 no_declarationWhose side: no failure (delivered)

Embed this record

Run this endpoint? Show the settle-through record vet402 measured — the badge reads 2/2 settled · 2 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: 2 of 2 paid attempts settled with an on-chain receipt, and 2 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.hergertsynthora.com · measured 2026-08-24)

[![vet402 receipt](https://vet402.com/api/badge/endpoint/b3d1d7aa-a536-45fe-b2ac-a5bec125b998.svg)](https://vet402.com/observatory/e/b3d1d7aa-a536-45fe-b2ac-a5bec125b998)

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
2026-10-06relisted{"status":"delisted"}{"status":"active"}
2026-10-02delisted{"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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api.hergertsynthora.com/v1/market-sentiment — x402 purchase and probe record | vet402