rpc.nodeflare.app allowances x402

https://rpc.nodeflare.app/data/allowances/x402

answers 402

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

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.

Price: $0.06
Network: base
Pay to: 0x9d86e0e74333b297b1d0b6ba30d2ed1b5f01f296
Spec dialect: v2 (declares x402Version 2)
Transport: PAYMENT-REQUIRED header
HTTP method: POST
Response latency: 26 ms
Payment options: 6 usable of 6
Last checked: 2026-08-15T14:25:53.085Z (4d ago)
Category: finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Frpc.nodeflare.app%2Fdata%2Fallowances%2Fx402"