Discover / merchant-audit.clankerceo.workers.dev

x402 Merchant Audit

■ Challenge detected

Is this API safe to pay? Audit any x402 merchant or paid endpoint BEFORE you send money. Answers whether a service is trustworthy, whether it is a scam or dead, and whether it will actually deliver. Probes the live endpoint for a valid HTTP 402 challenge, detects price drift between the advertised price and the real challenge price, pulls settlement history and unique-buyer counts, and verifies on-chain USDC actually reaching the payTo address. Returns a PASS / CAUTION / AVOID verdict with the e

x402
Base
Polygon
Solana
USDC

Listed price: $0.01
Challenge detected: 10 of the last 10 checks
Median response: 109 ms
Last checked: 17 Oct, 09:26 UTC
In our index since: 26 Sept 2026

Endpoint

curl -i https://merchant-audit.clankerceo.workers.dev/audit
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

1 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

GEThttps://merchant-audit.clankerceo.workers.dev/audit$0.01Is this API safe to pay? Audit any x402 merchant or paid endpoint BEFORE you send money. Answers whether a service is trustworthy, whether it is a scam or dead, and whether it will actually deliver. Probes the live endpoint for a valid HTTP 402 challenge, detects price drift between the advertised price and the real challenge price, pulls settlement history and unique-buyer counts, and verifies on-chain USDC actually reaching the payTo address. Returns a PASS / CAUTION / AVOID verdict with the evidence behind it. Every check is measured live at request time — nothing cached, no reputation scores. Use before paying an unknown merchant, to avoid wasting money on dead or fraudulent endpoints.

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 1 of 1 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/merchant-audit.clankerceo.workers.dev

Recent checks

29 Sept 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.17 Oct 2026

All 10 checks

When (UTC)	Result	HTTP	Response
17 Oct, 09:26 UTC	Challenge detected	402	386ms
16 Oct, 08:13 UTC	Challenge detected	402	94ms
14 Oct, 21:46 UTC	Challenge detected	402	80ms
13 Oct, 10:39 UTC	Challenge detected	402	186ms
11 Oct, 10:02 UTC	Challenge detected	402	160ms
9 Oct, 21:31 UTC	Challenge detected	402	99ms
8 Oct, 18:39 UTC	Challenge detected	402	111ms
7 Oct, 15:42 UTC	Challenge detected	402	101ms
6 Oct, 15:31 UTC	Challenge detected	402	155ms
29 Sept, 17:03 UTC	Challenge detected	402	106ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 17 Oct, 09:26 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.

What price is recorded for x402 Merchant Audit?

Its listed price is $0.01.

What payment terms does x402 Merchant Audit advertise?

The listing advertises x402, Base, Polygon, Solana and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is x402 Merchant Audit listed?

In x402 Bazaar. Superstables first indexed it on 26 Sept 2026.

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