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Independent MeasurementEndpoint record (L0 · L1)Published state: passLast probed: 2026-08-29 · 6 days ago

api.strale.io/x402/base64-encode-url

1.Catalog declaration

Catalog declaration for this endpoint
Resource URLhttps://api.strale.io/x402/base64-encode-url
Sourcecdp_bazaar
Declared methodGET
Networkbase
Receiving address0x66d7c2f952362bfb24fd7f02a9bec9c754ea83bc
Declared price (base units)
Catalog statusactive
First seen / last seen2026-08-14 08:52 UTC / 2026-09-05 01:03 UTC
Catalog-reported calls / payers (30d)64 / 2

2.Probe history

2026-08-29
Figure 1. Probe timeline, last 1 probe for this endpoint (UTC). Filled = pass, crossed = fail, dashed = unverified. Same-day probes overlap.
L0 probe history, newest first
Probed atMethodVerdictHTTPLatencyReason
2026-08-29 11:24 UTCGETpass40247 ms

3.L1 — real purchases

0 of 1 paid attempts settled with a receipt, and 0 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 4xx or 5xx counts as settled and not as delivered — definitions.

0/1
Figure 2. Settle-through: one cell per paid attempt. Filled = settled with an on-chain receipt, crossed = paid but no receipt.
L1 purchase history, newest first
Attempted atResultHTTPReceipt (tx)Latency
08-31 12:09settle_failed400229 ms
21600 units (≈ $0.02 USDC) · L2 not_checked

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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.

api.strale.io/x402/base64-encode-url — L0 observations | vet402