Endpoint · otherGETagent-proof.onrender.com/preflight?url=https%3A%2F%2Fapi.example.com%2Fpaid-endpoint

Use before paying an unfamiliar x402 endpoint.

Use before paying an unfamiliar x402 endpoint. Checks that the target is reachable, actually speaks x402, and what its historical reliability looks like, then returns a receipt with a safe_to_use or flagged verdict.

UNRATEDDelisted

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?

0xc7b3a251…f6c10007

URL

https://agent-proof.onrender.com/preflight?url=https%3A%2F%2Fapi.example.com%2Fpaid-endpoint

Seen

first 35 days ago · last 18 days ago

46 free handshakes

Payment

Pays through

x402

Offered on?

Base Sepolia USDC

Listed on?

Base Sepolia

Score, from free handshakes onlyweights 2026.09.4

UN
RATED

0.645 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held down by latency p95 · gap to 1.000 is 0.355: 0.094 uncertain ? + 0.260 short ? · 0.005 to C

How the composite of 0.645 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
latency p95costs the most it answered as fast as its class	0.20	0.00	0.000		0.000	−0.200	0
liveness it answered at all	0.60	0.90	0.742		0.445	−0.060	−0.094
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.645	gap to 1.000 = 0.355 · 0.260 short · 0.094 uncertain	0.645	−0.260	−0.094

Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check

The multiplication, written out

  0.200 × 0.000   latency p95    
+ 0.600 × 0.742   liveness       
+ 0.200 × 1.000   price stability
= 0.645           → UNRATED: 45 of 30 paid calls      weights 2026.09.4 · 45 samples · seed cap_01M1A5ACA5NWVKFC92Y3EETYWN|2026-08-23T23:40:10.094Z|2026.09.4

Verify it yourselfnpx teppi-check https://agent-proof.onrender.com/preflight?url=https%3A%2F%2Fapi.example.com%2Fpaid-endpointcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5ACA5NWVKFC92Y3EETYWN