Endpoint · computePOSTminia2a.uk /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
$0.01 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://minia2a.uk/x402/payment-audit
Seen
first 29 days ago · last 1 day ago
55 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.669 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 0.331: 0.236 uncertain ? + 0.095 short ? · 0.131 to B
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.66 | 0.067 | 0.013 | −0.068 | −0.119 | |
| liveness it answered at all |
0.60 | 0.95 | 0.760 | 0.456 | −0.027 | −0.117 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.669 | gap to 1.000 = 0.331 · 0.095 short · 0.236 uncertain | 0.669 | −0.095 | −0.236 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.200 × 0.067 latency p95
+ 0.600 × 0.760 liveness
+ 0.200 × 1.000 price stability
= 0.669 → UNRATED: 45 of 30 paid calls weights 2026.09.6 · 45 samples · seed cap_01M1RDA2XYN7YQ7P35ZBV8XGBE|2026-08-29T02:19:59.832Z|2026.09.6
Verify it yourself
npx teppi-check https://minia2a.uk/x402/payment-auditcurl -s https://api.teppi.xyz/v1/trust/cap_01M1RDA2XYN7YQ7P35ZBV8XGBE