Endpoint · onchainGETmerchant-audit.clankerceo.workers.dev /audit ?target=https%3A%2F%2Fexample-merchant.com%2Fapi%2Fsome-service
Is this API safe to pay?
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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 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.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.01 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://merchant-audit.clankerceo.workers.dev/audit?target=https%3A%2F%2Fexample-merchant.com%2Fapi%2Fsome-service
Seen
first 29 days ago · last 10 hr ago
53 free handshakes
Payment
Pays through
x402
Offered on?
Polygon, Base USDC, Solana
Listed on?
Polygon, Base, Solana
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.929 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held back by sample size, not by the seller · gap to 1.000 is 0.071: 0.071 uncertain ? + 0.000 short ?
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 1.00 | 0.882 | 0.529 | 0 | −0.071 | |
| latency p95 it answered as fast as its class |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.929 | gap to 1.000 = 0.071 · 0.000 short · 0.071 uncertain | 0.929 | −0.000 | −0.071 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.600 × 0.882 liveness
+ 0.200 × 1.000 latency p95
+ 0.200 × 1.000 price stability
= 0.929 → UNRATED: 52 of 30 paid calls weights 2026.09.6 · 52 samples · seed cap_01M1RD8RBD9ZJ8GDNT4PDAYWN9|2026-09-03T03:21:57.983Z|2026.09.6
Verify it yourself
npx teppi-check https://merchant-audit.clankerceo.workers.dev/audit?target=https%3A%2F%2Fexample-merchant.com%2Fapi%2Fsome-servicecurl -s https://api.teppi.xyz/v1/trust/cap_01M1RD8RBD9ZJ8GDNT4PDAYWN9