Endpoint · onchainGETapi.arysphere.com /v1/ventures/x402_chain_reads_v1/eth_erc20_allowance ?owner=0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045&spender=0x000000000022D473030F116dDEE9F6B43aC78BA3&token=0xdAC17F958D2ee523a2206206994597C13D831ec7
Ethereum mainnet ERC-20 allowance a holder granted a spender.
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Ethereum mainnet ERC-20 allowance a holder granted a spender. Ethereum mainnet ERC-20 allowance: how much spender may move of owner token balance. Takes token (ERC-20 contract), owner and spender addresses; returns the allowance read live from the contract.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?
URL
https://api.arysphere.com/v1/ventures/x402_chain_reads_v1/eth_erc20_allowance?owner=0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045&spender=0x000000000022D473030F116dDEE9F6B43aC78BA3&token=0xdAC17F958D2ee523a2206206994597C13D831ec7
MCP server on this host: com.arysphere/arysphere-x402
Seen
first 1 day ago · last 14 hr ago
2 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
RATED
0.111 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held back by sample size, not by the seller · gap to 1.000 is 0.889: 0.750 uncertain ? + 0.139 short ? · 0.339 to D
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.75 | 1.00 | 0.000 | 0.000 | 0 | −0.750 | |
| latency p95 it answered as fast as its class |
0.25 | 0.44 | 0.444 | 0.111 | −0.139 | 0 | |
| Composite | 1.00 | 0.111 | gap to 1.000 = 0.889 · 0.139 short · 0.750 uncertain | 0.111 | −0.139 | −0.750 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check; price stability · nothing to score
The multiplication, written out
0.750 × 0.000 liveness
+ 0.250 × 0.444 latency p95
= 0.111 → UNRATED: 1 of 30 paid calls weights 2026.09.6 · 1 samples · seed cap_01M5H253SP36T93XSDMA6HJM10|2026-09-22T06:38:51.896Z|2026.09.6
Verify it yourself
npx teppi-check https://api.arysphere.com/v1/ventures/x402_chain_reads_v1/eth_erc20_allowance?owner=0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045&spender=0x000000000022D473030F116dDEE9F6B43aC78BA3&token=0xdAC17F958D2ee523a2206206994597C13D831ec7curl -s https://api.teppi.xyz/v1/trust/cap_01M5H253SP36T93XSDMA6HJM10