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
—
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)
419ms
Uptime (30d)
100.0%
Reliability Score
95/100
Last Checked
2026-07-30 18:46:45
Last Healthy
2026-07-30 18:46:45
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-07-30 18:46:45 | healthy | 402 | 419ms | |
| 2026-07-30 13:11:01 | healthy | 402 | 884ms | |
| 2026-07-30 06:55:48 | healthy | 402 | 418ms | |
| 2026-07-30 03:32:18 | healthy | 402 | 416ms | |
| 2026-07-29 22:35:15 | healthy | 402 | 415ms | |
| 2026-07-29 18:47:22 | healthy | 402 | 480ms | |
| 2026-07-29 15:24:21 | healthy | 402 | 416ms | |
| 2026-07-29 12:32:43 | healthy | 402 | 141ms | |
| 2026-07-29 06:45:28 | healthy | 402 | 415ms | |
| 2026-07-29 05:42:55 | healthy | 402 | 419ms | |
| 2026-07-29 01:13:45 | healthy | 402 | 440ms | |
| 2026-07-28 20:45:52 | healthy | 402 | 419ms | |
| 2026-07-28 15:46:53 | healthy | 402 | 139ms | |
| 2026-07-28 12:21:44 | healthy | 402 | 435ms | |
| 2026-07-28 07:20:51 | healthy | 402 | 415ms | |
| 2026-07-28 02:45:41 | healthy | 402 | 420ms | |
| 2026-07-27 22:58:48 | healthy | 402 | 417ms |