Endpoint · onchainGETstore.agentexchange.work /chain/allowance ?chain=base&owner=0x...&spender=0x...&token=0x...
How much of an ERC-20 token a spender is approved to move from an owner's wallet, via allowance, across Base, Ethereum, Optimism, Arbitrum, Polygon, Gnosis.
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How much of an ERC-20 token a spender is approved to move from an owner's wallet, via allowance, across Base, Ethereum, Optimism, Arbitrum, Polygon, Gnosis. The approval read every DeFi, swap and trading agent makes before (and after) a transaction to know if an approve is needed. Live public RPC; one paid call.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.09 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://store.agentexchange.work/chain/allowance?chain=base&owner=0x...&spender=0x...&token=0x...
MCP server on this host: io.github.rccola990-cloud/x402-agent-store
Seen
first 34 days ago · last 23 days ago
36 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC, Solana
Listed on?
Base, Solana
Score, from free handshakes onlyweights 2026.09.2
UN
RATED
RATED
0.698 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by latency p95 · gap to 1.000 is 0.302: 0.102 uncertain ? + 0.200 short ? · 0.102 to B
| 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 | 0.829 | 0.498 | 0 | −0.102 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.698 | gap to 1.000 = 0.302 · 0.200 short · 0.102 uncertain | 0.698 | −0.200 | −0.102 |
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 × 0.829 liveness
+ 0.200 × 1.000 price stability
= 0.698 → UNRATED: 36 of 30 paid calls weights 2026.09.2 · 36 samples · seed cap_01M1A59KQ2JDJHYCS9E3AA45ZT|2026-08-19T02:37:57.539Z|2026.09.2
Verify it yourself
npx teppi-check https://store.agentexchange.work/chain/allowance?chain=base&owner=0x...&spender=0x...&token=0x...curl -s https://api.teppi.xyz/v1/trust/cap_01M1A59KQ2JDJHYCS9E3AA45ZT