Directory / api.x402node.dev
api.x402node.dev/chain/tx-cost working
https://api.x402node.dev/chain/tx-cost
Before you pay
- Advice
ok- Protocol
- x402 · http · GET
- Asks for
- 0.005 USDC on base
- Catalogue says
- 0.005 USDC
- Pays to
0x4466d4A84b7c49a6A094ec6eef4a0712D6dd125e- Last check
- 24 min ago · 164 ms · HTTP 402
- Detail
- 402 with valid terms
Reliability
- Uptime 24 h
- 100.0%
- Uptime 7 days
- 100.0% (7 checks)
- Uptime 30 days
- 100.0% (signed daily)
- Paid calls 30 d
- 1 from 1 payers (x402 Bazaar)
- Listed by
- x402-bazaar
- First seen
- 2026-11-05 22:27 UTC
Description (from the catalogue, unverified)
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 Accepts payment on Base or Solana — either network works.
Signed history
| When | Statement | Log index |
|---|---|---|
| 2026-11-06 00:13 UTC | 7235752f…8dc432 daily summary | 48179 |
Verify any statement offline: how.
For agents and owners
JSON: https://alalanet.com/v1/services/rmodjhd4oostlv7z
Badge:
<a href="https://alalanet.com/s/rmodjhd4oostlv7z"><img src="https://alalanet.com/badge/rmodjhd4oostlv7z" alt="alalanet status"></a>Own this service? Get verified. Do not want it checked? See the prober page.