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ETH Gas Cost Calculator
x402
ETH Gas Cost Calculator is a paid API for AI agents from kihustle.tech, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-10).
Calculates the USD cost of an Ethereum transaction given gas units, gas price in Gwei, and current ETH/USD price
Price / call$0.002
Success—
StatusUnknown
How this service works
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Output
Returns a JSON object indicating the processed calculation result and a success status. The result represents the computed USD cost of the Ethereum transaction based on the provided gas units, Gwei price, and ETH/USD price inputs.
Example use cases
Estimate simple ETH transfer cost
“I want to send some ETH to a friend — how much will the gas fee cost in dollars if the transaction needs 21000 gas units, gas is at 25 Gwei, and ETH is trading at $3500?”
Budget smart contract interaction
“I'm about to call a DeFi smart contract that uses roughly 150000 gas units. At 40 Gwei and with ETH at $3000, what would that transaction cost me in USD?”
Compare gas costs across scenarios
“Can you tell me the dollar cost of a transaction using 80000 gas units at 15 Gwei with ETH at $2800? I'm trying to decide if now is a cheap time to transact.”
Technical details
Endpoint
POSThttps://kihustle.tech/nexus/api/v1/eth-gas-cost-calculator?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a quick, on-demand computation of Ethereum transaction fees in USD given specific gas parameters. It is appropriate when you already know the gas units required, the current Gwei price, and the ETH/USD rate, and simply need the arithmetic done server-side. Prefer this over manual calculation or blockchain node queries when you want a simple API call without needing real-time gas price fetching.
Side effects
- Missing required fields (gas_units, gwei_price, or eth_price_usd) may return an error or zero result
- Invalid or negative numeric values could produce nonsensical output
- Service may return a generic success/processed response without a detailed breakdown of the cost calculation
- Stale or incorrect ETH price input will produce inaccurate USD estimates
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| gas_units | integer | |
| gwei_price | number | |
| eth_price_usd | number |
Output
Schema · Response
{
"type": "json",
"example": {
"result": "processed",
"status": "success"
}
}Tags
x402
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