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Gas Estimate (Base & Ethereum)
x402
Gas Estimate (Base & Ethereum) is a paid API for AI agents from scanpay-edge.alextaghiashvili.workers.dev, paid per call via x402, $0.001/call, status unknown (last checked 2026-11-02).
Returns live gas price and slow/normal/fast gas fee estimates for Base or Ethereum networks.
Price / call$0.001
Success—
StatusUnknown
How this service works
Pay-per-call x402 APIs for AI agents: OpenAI-compatible LLM chat, perp funding and arbitrage spreads, crypto prices, gas, FX, Solana SPL mint audit, token price by contract, x402 delivery-receipt verification, web search, clean page extraction, batch tools and deterministic code-security scanning. USDC on Base or Solana, no signup, no API key, from $0.0001 a call.
Output
Returns a JSON object with the network name, current base_fee_gwei, gas_price_gwei, and an estimates object containing slow and normal (and optionally fast) max_fee_gwei values — all in gwei units for the requested network.
Example use cases
Pre-transaction cost check on Ethereum
“Before I send this Ethereum transaction, what are the current slow, normal, and fast gas fee estimates in gwei so I can decide which tier to use?”
Cheapest time to transact on Base
“What's the current base fee and gas price on Base right now? I want to see the slow estimate to minimize costs.”
Comparing gas across networks
“Can you pull the live gas estimates for both Base and Ethereum so I can see where fees are lower right now?”
Technical details
Endpoint
GEThttps://scanpay-edge.alextaghiashvili.workers.dev/api/v1/gas?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need real-time gas fee estimates for Base or Ethereum before submitting a transaction, optimizing transaction timing, or displaying current network costs to users. Prefer this over on-chain RPC calls when you want a simple REST interface with tiered slow/normal/fast estimates already computed.
Side effects
- Invalid or missing network parameter returns an error (only 'base' and 'ethereum' are accepted)
- Upstream RPC provider unavailability may cause stale or failed responses
- Payment failure (insufficient USDC or x402 payment not processed) returns 402 Payment Required
- Network congestion may cause slight latency in real-time data freshness
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"network": "base",
"estimates": {
"slow": {
"max_fee_gwei": 0.055
},
"normal": {
"max_fee_gwei": 0.155
}
},
"base_fee_gwei": 0.005,
"gas_price_gwei": 0.006
}
}Tags
x402
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