echo

Use when an agent is checking that its x402 payment headers and query encoding survive a paid round trip.

Use when an agent is checking that its x402 payment headers and query encoding survive a paid round trip. Returns The query parameters you sent, echoed back with a server timestamp. $0.01.

UNRATEDListed

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?

0x97000759…1b40d3ab

URL

https://api.oblique.markets/api/v1/paid/echo

MCP server on this host: markets.oblique.api/oblique-markets

Seen

first 34 days ago · last 12 hr ago

78 free handshakes

Payment

Pays through

x402 · MPP tempo

Offered on?

Base USDC, Solana, Tempo 0x20c0…0000

Listed on?

Base, Solana

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.758 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held down by latency p95 · gap to 1.000 is 0.242: 0.098 uncertain ? + 0.144 short ? · 0.042 to B

How the composite of 0.758 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	0.28	0.053		0.011	−0.144	−0.045
liveness it answered at all	0.60	1.00	0.912		0.547	0	−0.053
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.758	gap to 1.000 = 0.242 · 0.144 short · 0.098 uncertain	0.758	−0.144	−0.098

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

The multiplication, written out

  0.200 × 0.053   latency p95    
+ 0.600 × 0.912   liveness       
+ 0.200 × 1.000   price stability
= 0.758           → UNRATED: 70 of 30 paid calls      weights 2026.09.6 · 70 samples · seed cap_01M1A51PWYYXRW4WXZDWH3M4HC|2026-09-03T02:50:21.895Z|2026.09.6

Verify it yourselfnpx teppi-check https://api.oblique.markets/api/v1/paid/echocurl -s https://api.teppi.xyz/v1/trust/cap_01M1A51PWYYXRW4WXZDWH3M4HC