ERC-20 Allowance
x402Grade CLast checked 58 min ago
GET https://ari001.tailb4ac3a.ts.net/v1/ventures/x402_chain_reads_v1/erc20_allowance
Returns an ERC-20 allowance as a uint256 for a token, owner and spender on Base, read from the contract via eth_call.
Price$0.003per chain read · paid in USD on Base
Uptime100%
4/4 probes · 2166.5 ms
Score68Grade C
Paid usage, 30 days2payers · 2 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://ari001.tailb4ac3a.ts.net/v1/ventures/x402_chain_reads_v1/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 09:30 | Valid 402 | 402 | 1033 ms | $0.003 |
| 2026-10-11 05:00 | Valid 402 | 402 | 3836 ms | $0.003 |
| 2026-10-11 00:30 | Valid 402 | 402 | 2994 ms | $0.003 |
| 2026-10-10 20:00 | Valid 402 | 402 | 1339 ms | $0.003 |
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