---
title: "EVM Gas Price Oracle ($0.003/call)"
method: GET
path: "/gas"
tags: ["gas", "gas-price", "ethereum", "base", "evm", "blockchain", "transaction-fees", "eip1559", "onchain", "web3"]
---

# EVM Gas Price Oracle ($0.003/call)

`GET /gas`

## Request

- Base URL: `https://x402.shizu.me`
- URL: `https://x402.shizu.me/gas`
- Auth: none declared

Current gas prices for Base or Ethereum mainnet: legacy gas price, EIP-1559 base fee and suggested priority fee (all gwei), plus the latest block number. Query: chain (base | ethereum, default base). Real-time from public RPC. Use to time on-chain transactions, estimate costs, and monitor fee spikes.

Paid endpoint: $0.003 per call via the x402 protocol (USDC on Base). An unpaid request returns 402 with payment requirements in the PAYMENT-REQUIRED response header; attach payment and retry.

## Query parameters

- `chain` string

## Response `200`

Paid result (JSON)

## Other responses

- `402`: Payment required — x402 requirements in the PAYMENT-REQUIRED response header

---

[API](https://skmtc.dev/shizu/apis/scrape402.md) · [All operations](https://skmtc.dev/shizu/apis/scrape402/llms.txt) · [OpenAPI document](https://skmtc.dev/shizu/apis/scrape402/revisions/0852d74798b8?raw)