ERC20 allowance
x402Grade BLast checked 26 min ago
GET https://flat-rate-llm.kikoribera03.workers.dev/v1/evm/erc20-allowance
How much of a token a spender is still allowed to move on an owner's behalf, and whether that approval is unlimited. The check to run before an approve, and the one that finds forgotten infinite approvals. Via eth_call (allowance).
Price$0.005per chain read · paid in USD on Base
Uptime100%
4/4 probes · 623 ms
Score72Grade B
Paid usage, 30 days1payers · 1 calls
How to buy
This endpoint takes pay-per-call payments over x402. Call it once without paying to see its live price; any x402 client then pays and retries automatically.
curl -i -X GET "https://flat-rate-llm.kikoribera03.workers.dev/v1/evm/erc20-allowance"
# HTTP/1.1 402 Payment Required: price, asset and payTo are in the responseRecent checks
| Checked (UTC) | Result | Status | Time | Live price |
|---|---|---|---|---|
| 2026-10-11 10:31 | Valid 402 | 402 | 1442 ms | $0.005 |
| 2026-10-11 06:00 | Valid 402 | 402 | 576 ms | $0.005 |
| 2026-10-11 01:30 | Valid 402 | 402 | 670 ms | $0.005 |
| 2026-10-10 21:00 | Valid 402 | 402 | 457 ms | $0.005 |
Receipts
No test purchases yet. Graded test purchases are next on our list; until then every number here comes from unpaid checks.
What a check proves