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Gwei to Wei Converter
x402
Gwei to Wei Converter is a paid API for AI agents from api.delx.ai, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-15).
Converts a gas price value from gwei to its equivalent wei integer string for use in EVM transaction builders and eth_gasPrice-style fields.
Price / call$0.001
Success—
StatusUnknown
How this service works
Convert gas prices from gwei into wei integer strings for EVM transactions. Call when you hold gas price in gwei and need wei for eth_gasPrice-style fields or tx builders. Returns wei as a decimal integer string plus input gwei as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls.
Output
Returns a JSON object containing the input gwei value echoed back and the equivalent wei expressed as a decimal integer string (e.g. 25 gwei → "25000000000"), enabling direct use in EVM transaction fields without further formatting.
Example use cases
Set gas price for ETH transfer
“I'm building a raw Ethereum transaction and need to set the gasPrice field — convert 15 gwei to wei so I can plug it in.”
Validate gas budget against wei limit
“My gas oracle returned 30 gwei — what's that in wei so I can compare it against the wei limit in my contract?”
Format gas price for RPC call
“I need to pass a gas price to an eth_gasPrice-style RPC field and my source gives me 10 gwei — can you convert that to the exact wei integer string?”
Technical details
Endpoint
POSThttps://api.delx.ai/api/v1/x402/gwei-to-weiWhen to prefer
Choose this endpoint when you already have a gas price expressed in gwei and need a precise, correctly-formatted wei integer string for use in EVM transaction builders, eth_gasPrice RPC fields, or on-chain gas budget checks — especially when you want a deterministic, local-math result with no RPC dependency, no API key, and no live market data.
Side effects
- Missing or non-numeric gwei input returns a validation error
- Negative or zero gwei values may return an error or unexpected result
- Payment failure via x402 prevents the conversion from executing
- Extremely large gwei values may exceed integer precision bounds
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| gwei | number | Input field: gwei. |
Output
Schema · Response
{
"type": "json",
"example": {
"wei": "1500000000",
"gwei": 1.5,
"schema": "delx/util-gwei-to-wei/v1"
}
}Tags
x402
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