Endpoint · onchainGETapi.arysphere.com /v1/ventures/x402_eth_reads_v1/eth_mainnet_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. Takes query parameters token (ERC-20 contract, 0x + 40 hex), owner (0x + 40 hex) and spender (0x + 40 hex). Returns the raw allowance read from the contract.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?
URL
https://api.arysphere.com/v1/ventures/x402_eth_reads_v1/eth_mainnet_erc20_allowance?owner=0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045&spender=0x000000000022D473030F116dDEE9F6B43aC78BA3&token=0xdAC17F958D2ee523a2206206994597C13D831ec7
MCP server on this host: com.arysphere/arysphere-x402
Seen
first 5 days ago · last 14 hr ago
5 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
0.334 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 0.666: 0.600 uncertain ? + 0.066 short ? · 0.116 to D
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 1.00 | 0.000 | 0.000 | 0 | −0.600 | |
| latency p95 it answered as fast as its class |
0.20 | 0.67 | 0.670 | 0.134 | −0.066 | 0 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.334 | gap to 1.000 = 0.666 · 0.066 short · 0.600 uncertain | 0.334 | −0.066 | −0.600 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.600 × 0.000 liveness
+ 0.200 × 0.670 latency p95
+ 0.200 × 1.000 price stability
= 0.334 → UNRATED: 5 of 30 paid calls weights 2026.09.6 · 5 samples · seed cap_01M56RRY94R8YKY0BP2C74ZSGM|2026-09-22T21:39:08.956Z|2026.09.6
Verify it yourself
npx teppi-check https://api.arysphere.com/v1/ventures/x402_eth_reads_v1/eth_mainnet_erc20_allowance?owner=0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045&spender=0x000000000022D473030F116dDEE9F6B43aC78BA3&token=0xdAC17F958D2ee523a2206206994597C13D831ec7curl -s https://api.teppi.xyz/v1/trust/cap_01M56RRY94R8YKY0BP2C74ZSGM