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Estimates the USD gas cost of a common action (transfer, erc20-transfer, approve...

https://api.x402node.dev/chain/gas-estimate

Overview

Estimates the USD gas cost of a common action (transfer, erc20-transfer, approve, swap, nft-mint) across EVM chains, combining live gas price per chain with the native token price. Lets an agent pick the cheapest chain to execute and budget a transaction. Live aggregated gas + price compute. gas cost estimate, transaction fee usd, cheapest chain to execute, swap gas

Protocol x402
Price $0.01
Payment Asset USD Coin
Payment Network Base
Category crypto/nft
Provider x402node
Source bazaar
Indexed 2026-06-21 23:15:31

Health

Status healthy
Latency (p50) 480ms
Uptime (30d) 100.0%
Reliability Score 87/100
Last Checked 2026-06-22 07:14:35
Last Healthy 2026-06-22 07:14:35
Consecutive Failures 0

x402 Payment Validation

Payment Requirements Valid
Asset Verified
Facilitator

Input Schema

{ "discoverable": true, "method": "GET", "queryParams": { "action": "transfer/erc20-transfer/approve/swap/nft-mint (default swap)", "chain": "optional single chain; omit for all", "gas": "optional custom gas units" }, "type": "http" }

Recent Health Checks

Time Status HTTP Latency Error
2026-06-22 07:14:35 healthy 402 480ms
2026-06-22 04:22:20 healthy 402 479ms