erc20_allowance?owner=0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045&spender=0x000000000022D473030F116dDEE9F6B43aC78BA3&token=0xdAC17F958D2ee523a2206206994597C13D831ec7

Returns the amount of ERC-20 tokens that a spender is allowed to withdraw from an owner's account.

Returns the amount of ERC-20 tokens that a spender is allowed to withdraw from an owner's account. Provide token (ERC-20 contract address), owner (owner address), and spender (spender address). Query: token (ERC-20 contract, 0x + 40 hex), owner (0x + 40 hex), spender (0x + 40 hex).

UNRATEDListed

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.003 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0x0097c03a…6bdfefa8

URL

https://ari001.tailb4ac3a.ts.net/v1/ventures/ethereum_contract_abi_service/erc20_allowance?owner=0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045&spender=0x000000000022D473030F116dDEE9F6B43aC78BA3&token=0xdAC17F958D2ee523a2206206994597C13D831ec7

Seen

first 10 days ago · last 1 day ago

17 free handshakes

Payment

Pays through

x402

Offered on?

Polygon, Arbitrum, Base USDC

Listed on?

Polygon, Arbitrum, Base

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.443 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held down by liveness · gap to 1.000 is 0.557: 0.225 uncertain ? + 0.332 short ? · 0.007 to D

How the composite of 0.443 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
livenesscosts the most it answered at all	0.60	0.78	0.406		0.243	−0.132	−0.225
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		0.443	gap to 1.000 = 0.557 · 0.332 short · 0.225 uncertain	0.443	−0.332	−0.225

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

The multiplication, written out

  0.600 × 0.406   liveness       
+ 0.200 × 0.000   latency p95    
+ 0.200 × 1.000   price stability
= 0.443           → UNRATED: 17 of 30 paid calls      weights 2026.09.6 · 17 samples · seed cap_01M38Z1XPP4002B998T31NFG09|2026-09-04T15:34:08.493Z|2026.09.6

Verify it yourself

npx teppi-check https://ari001.tailb4ac3a.ts.net/v1/ventures/ethereum_contract_abi_service/erc20_allowance?owner=0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045&spender=0x000000000022D473030F116dDEE9F6B43aC78BA3&token=0xdAC17F958D2ee523a2206206994597C13D831ec7

curl -s https://api.teppi.xyz/v1/trust/cap_01M38Z1XPP4002B998T31NFG09