Endpoint · otherPOSTphion.systems /v1/paid/trust/idempotency-replay-guard
Detect safe replays and conflicting reuse of an idempotency key
Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.002 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://phion.systems/v1/paid/trust/idempotency-replay-guard
MCP server on this host: systems.phion/evidence-engine
Seen
first 20 days ago · last 3 days ago
37 free handshakes
Payment
Pays through
x402
Offered on?
Polygon, Arbitrum, Base USDC, Solana
Listed on?
Polygon, Arbitrum, Base, Solana
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.820 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 0.180: 0.120 uncertain ? + 0.060 short ? · 0.080 to A
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 1.00 | 0.814 | 0.488 | 0 | −0.112 | |
| latency p95 it answered as fast as its class |
0.20 | 0.70 | 0.660 | 0.132 | −0.060 | −0.008 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.820 | gap to 1.000 = 0.180 · 0.060 short · 0.120 uncertain | 0.820 | −0.060 | −0.120 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.600 × 0.814 liveness
+ 0.200 × 0.660 latency p95
+ 0.200 × 1.000 price stability
= 0.820 → UNRATED: 33 of 30 paid calls weights 2026.09.6 · 33 samples · seed cap_01M2F743Y1V411P6950E9AKSFJ|2026-09-01T17:14:32.065Z|2026.09.6
Verify it yourself
npx teppi-check https://phion.systems/v1/paid/trust/idempotency-replay-guardcurl -s https://api.teppi.xyz/v1/trust/cap_01M2F743Y1V411P6950E9AKSFJ