verify

Reads the receipt of a transaction on Ethereum, Base, Base Sepolia, OP Mainnet, Arbitrum One, Polygon PoS or Avalanche C-Chain and compares it with what you expected to be paid.

Reads the receipt of a transaction on Ethereum, Base, Base Sepolia, OP Mainnet, Arbitrum One, Polygon PoS or Avalanche C-Chain and compares it with what you expected to be paid. The comparison runs against the ERC-20 transfer events in the receipt, not against the transaction recipient, because in a token payment the transaction recipient is the token contract and never the seller. Returns every transfer event with sender, recipient, token, raw amount and human amount computed with that token de

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?

0x2880edff…771c4e5e

URL

https://x402.halowerk.com/settlement/verify

Seen

first 35 days ago · last 25 days ago

33 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC

Listed on?

Base

Score, from free handshakes onlyweights 2026.09.1

UN
RATED

0.489 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held down by liveness · gap to 1.000 is 0.511: 0.159 uncertain ? + 0.353 short ? · 0.161 to C

How the composite of 0.489 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
livenesscosts the most it answered at all	0.60	0.75	0.481		0.289	−0.153	−0.159
latency p95 it answered as fast as its class	0.20	0.00	0.000		0.000	−0.200	0
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.489	gap to 1.000 = 0.511 · 0.353 short · 0.159 uncertain	0.489	−0.353	−0.159

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

The multiplication, written out

  0.600 × 0.481   liveness       
+ 0.200 × 0.000   latency p95    
+ 0.200 × 1.000   price stability
= 0.489           → UNRATED: 32 of 30 paid calls      weights 2026.09.1 · 32 samples · seed cap_01M1A5AGWH4RJBMJSCXGQX4Q8P|2026-08-17T20:40:18.513Z|2026.09.1

Verify it yourselfnpx teppi-check https://x402.halowerk.com/settlement/verifycurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5AGWH4RJBMJSCXGQX4Q8P