Endpoint · computePOSTminia2a.uk /x402/x402-payment-audit
Black-box check: does the x402 endpoint verify payment (reject forged txHash/signature/replay) before delivering?
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Black-box check: does the x402 endpoint verify payment (reject forged txHash/signature/replay) before delivering? Buyer-side trust check before you pay. Returns SAFE/RISK/NOT_X402.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.05 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://minia2a.uk/x402/x402-payment-audit
Seen
first 29 days ago · last 2 days ago
54 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.742 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by latency p95 · gap to 1.000 is 0.258: 0.123 uncertain ? + 0.136 short ? · 0.058 to B
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.42 | 0.353 | 0.071 | −0.116 | −0.014 | |
| liveness it answered at all |
0.60 | 0.97 | 0.785 | 0.471 | −0.020 | −0.109 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.742 | gap to 1.000 = 0.258 · 0.136 short · 0.123 uncertain | 0.742 | −0.136 | −0.123 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.200 × 0.353 latency p95
+ 0.600 × 0.785 liveness
+ 0.200 × 1.000 price stability
= 0.742 → UNRATED: 53 of 30 paid calls weights 2026.09.6 · 53 samples · seed cap_01M1RDA3F0JAPZNCNN2HQH9EXX|2026-09-03T09:39:23.693Z|2026.09.6
Verify it yourself
npx teppi-check https://minia2a.uk/x402/x402-payment-auditcurl -s https://api.teppi.xyz/v1/trust/cap_01M1RDA3F0JAPZNCNN2HQH9EXX