Estimates the USD gas cost of a common action (transfer, erc20-transfer, approve...
https://api.x402node.dev/chain/gas-estimateOverview
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 |