x402-quote

Probe a public HTTP endpoint without paying and decode its HTTP 402 payment requirements into clean JSON: status, network, asset, amount, pay-to and challenge metadata when…

Probe a public HTTP endpoint without paying and decode its HTTP 402 payment requirements into clean JSON: status, network, asset, amount, pay-to and challenge metadata when exposed. Exact-match PennyRail gap-arbitrage route.

UNRATEDDelisted

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?

0x0b533781…c7e36d2c

URL

https://pennyrail.vercel.app/api/bazaar/x402-quote

MCP server on this host: io.github.clay-swartz/pennyrail

Seen

first 29 days ago · last 23 days ago

26 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC

Listed on?

Base

Score, from free handshakes onlyweights 2026.09.2

UN
RATED

0.436 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held down by liveness · gap to 1.000 is 0.564: 0.161 uncertain ? + 0.403 short ? · 0.014 to D

How the composite of 0.436 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
livenesscosts the most it answered at all	0.60	0.38	0.127		0.076	−0.370	−0.153
latency p95 it answered as fast as its class	0.20	0.83	0.799		0.160	−0.033	−0.007
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.436	gap to 1.000 = 0.564 · 0.403 short · 0.161 uncertain	0.436	−0.403	−0.161

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

The multiplication, written out

  0.600 × 0.127   liveness       
+ 0.200 × 0.799   latency p95    
+ 0.200 × 1.000   price stability
= 0.436           → UNRATED: 26 of 30 paid calls      weights 2026.09.2 · 26 samples · seed cap_01M1RDABGQZ8ZG9X2AGW7PSF7H|2026-08-19T05:13:40.148Z|2026.09.2

Verify it yourselfnpx teppi-check https://pennyrail.vercel.app/api/bazaar/x402-quotecurl -s https://api.teppi.xyz/v1/trust/cap_01M1RDABGQZ8ZG9X2AGW7PSF7H