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)
433ms
Uptime (30d)
100.0%
Reliability Score
95/100
Last Checked
2026-09-15 11:28:24
Last Healthy
2026-09-15 11:28:24
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-09-15 11:28:24 | healthy | 402 | 443ms | |
| 2026-09-15 09:42:16 | healthy | 402 | 433ms | |
| 2026-09-15 01:13:16 | healthy | 402 | 431ms | |
| 2026-09-14 15:48:08 | healthy | 402 | 427ms | |
| 2026-09-14 03:38:45 | healthy | 402 | 429ms | |
| 2026-09-13 15:02:53 | healthy | 402 | 436ms | |
| 2026-09-13 10:12:55 | healthy | 402 | 435ms | |
| 2026-09-12 21:32:47 | healthy | 402 | 147ms |