Estimate the USD cost of a transaction (transfer, ERC20 transfer, approve, swap,...
https://api.x402node.dev/chain/tx-costOverview
Estimate the USD cost of a transaction (transfer, ERC20 transfer, approve, swap, NFT mint) on Base/Ethereum/Arbitrum/Optimism/Polygon from live gas price and native token price - lets agents decide whether an action is worth the fee before sending. gas cost, transaction cost, tx fee usd, how much gas, operation cost, fee estimate
Protocol
x402
Price
$0.0050
Payment Asset
USD Coin
Payment Network
Base
Category
crypto/nft
Provider
x402node
Source
bazaar
Indexed
2026-06-13 19:15:46
Health
Status
unknown
Latency (p50)
—
Uptime (30d)
—
Reliability Score
—
Last Checked
Never
Last Healthy
Never
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
—
Asset Verified
—
Facilitator
—
Input Schema
{
"discoverable": true,
"method": "GET",
"queryParams": {
"chain": "base (default), ethereum, arbitrum, optimism, polygon",
"gasLimit": "Optional custom gas limit",
"operation": "transfer, erc20transfer, approve, swap (default), nftmint, nfttransfer"
},
"type": "http"
}