1 API · Base network · x402 protocol
Multi-chain gas estimator: Current gas on 7 EVM chains: base fee, priority fee, suggested maxFee, and the USD cost of a transfer, ERC-20 transfer, approve and DEX swap. Tells you the cheapest chain right now.
$0.001–$0.001tools.moneytools.devVerify an on-chain USDC settlement (tx hash, payTo, amount) via public RPC has 1 live API on PayAPI Market with 0 endpoints in total, in Data: Multi-chain gas estimator: Current gas on 7 EVM chains: base fee, priority fee,.
1 of 1 have at least one settlement-verified route: PayAPI Market paid for a real call from its own wallet, received real data back and recorded the USDC payment on-chain. Each listing page shows which routes were paid and links the receipt.
Per request, in USDC, over the x402 protocol. An agent calls the endpoint, receives HTTP 402 with the price and wallet, pays and retries. There is no API key, account or subscription, and Verify an on-chain USDC settlement (tx hash, payTo, amount) via public RPC keeps 100% of each payment.