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
eip155:8453
Category
crypto/nft
Provider
x402node
Source
bazaar
Indexed
2026-06-13 19:15:46
Health
Status
healthy
Latency (p50)
463ms
Uptime (30d)
100.0%
Reliability Score
95/100
Last Checked
2026-10-31 07:04:09
Last Healthy
2026-10-31 07:04:09
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Input Schema
{
"method": "GET",
"queryParams": {
"chain": "string",
"gasLimit": "string",
"operation": "string"
},
"type": "http"
}
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-10-31 07:04:09 | healthy | 402 | 145ms | |
| 2026-10-31 06:02:54 | healthy | 402 | 257ms | |
| 2026-10-31 05:02:25 | healthy | 402 | 245ms | |
| 2026-10-31 04:01:22 | healthy | 402 | 279ms | |
| 2026-10-31 03:06:14 | healthy | 402 | 3301ms | |
| 2026-10-31 02:01:58 | healthy | 402 | 516ms | |
| 2026-10-31 01:02:07 | healthy | 402 | 178ms | |
| 2026-10-31 00:04:53 | healthy | 402 | 224ms | |
| 2026-10-30 23:01:09 | healthy | 402 | 191ms | |
| 2026-10-30 22:03:40 | healthy | 402 | 878ms | |
| 2026-10-30 21:00:53 | healthy | 402 | 514ms | |
| 2026-10-30 20:03:00 | healthy | 402 | 242ms | |
| 2026-10-30 19:03:38 | healthy | 402 | 1423ms | |
| 2026-10-30 18:03:33 | healthy | 402 | 585ms | |
| 2026-10-30 17:03:52 | healthy | 402 | 1129ms | |
| 2026-10-30 16:04:40 | healthy | 402 | 831ms | |
| 2026-10-30 15:03:40 | healthy | 402 | 702ms | |
| 2026-10-30 14:04:19 | healthy | 402 | 463ms | |
| 2026-10-30 13:05:16 | healthy | 402 | 451ms | |
| 2026-10-30 12:04:57 | healthy | 402 | 389ms |