https://rpc.nodeflare.app/data/allowances/x402
Multi-chain ERC-20 allowances API: what a wallet has approved and for how much across up to 23 EVM chains (incl. young chains like Robinhood, Plasma, Ink that revoke.cash-style tools skip), with unlimited-approval flags. Scans Approval logs then reads the current on-chain allowance, dropping revoked ones. Built for revoke and security workflows. Pay per call in USDC, no account or API key - built for AI agents. Priced about $0.0033 per chain (heavy eth_getLogs scan).
#56
$0.0066
509
25
Points earned against points available, biggest lever first.
| Rank | Service | Score | Volume | Price |
|---|---|---|---|---|
| #1 | 67 | 4.7K txns | $0.0020 | |
| #2 | WaterPulse−18 | 66 | 1.6K txns | $0.15 |
| #3 | Otto AI−17 | 65 | 6.8K txns | $0.0050 |
| #4 | Bitrefill−15 | 63 | 156 txns | $0.0010 |
| #5 | 63 | 1.7K txns | $0.0010 |