Endpoint · onchainGETapi.x402node.dev /chain/tx-cost ?chain=string&gasLimit=string&operation=string
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 -…
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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.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.005 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://api.x402node.dev/chain/tx-cost?chain=string&gasLimit=string&operation=string
Seen
first 11 days ago · last 4 days ago
19 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC, Solana
Listed on?
Base, Solana
Handshakescomputed 2 days ago
0.570 from 16 free handshakes over 30 days · UNRATED ?
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 1.00 | 0.616 | 0.370 | 0 | −0.230 | |
| latency p95 it answered as fast as its class |
0.20 | 0.00 | 0.000 | 0.000 | −0.200 | 0 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.570 | gap to 1.000 = 0.430 · 0.200 short · 0.230 uncertain | 0.570 | −0.200 | −0.230 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
BURN_INFREE_TIER_ONLY
Verify it yourself
npx teppi-check https://api.x402node.dev/chain/tx-cost?chain=string&gasLimit=string&operation=stringcurl -s https://api.teppi.xyz/v1/trust/cap_01M36CPD0DFAFGNQKN0A9E3TVG