Endpoint · evidencePOSTattester.dev/spend-check

Spend Check: should you pay this counterparty?

Spend Check: should you pay this counterparty? Watchtower track record, CDP merchant catalog, and address hygiene combined into a clear/caution/avoid verdict with a signed attestation. $0.005 USDC per check.

UNRATEDListed

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.005 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0x57407d69…a87467dd

URL

https://attester.dev/spend-check

MCP server on this host: io.github.maminihds/attester-mcp

Seen

first 35 days ago · last 17 hr ago

59 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC

Listed on?

Base

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.729 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held down by latency p95 · gap to 1.000 is 0.271: 0.071 uncertain ? + 0.200 short ? · 0.071 to B

How the composite of 0.729 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	1.00	0.882		0.529	0	−0.071
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.729	gap to 1.000 = 0.271 · 0.200 short · 0.071 uncertain	0.729	−0.200	−0.071

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 × 0.882   liveness       
+ 0.200 × 1.000   price stability
= 0.729           → UNRATED: 52 of 30 paid calls      weights 2026.09.6 · 52 samples · seed cap_01M1A51QSJPW3R4791YA6RZ913|2026-09-03T03:21:57.983Z|2026.09.6

Verify it yourselfnpx teppi-check https://attester.dev/spend-checkcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A51QSJPW3R4791YA6RZ913