Gas Oracle

Last 30 days

Uptime

100%

Response time

261 ms typical, 261 ms slowest 5%

Last check

59 min ago

Next check

any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X GET "https://x402.ottoai.services/gas-oracle"

import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fx402.ottoai.services%2Fgas-oracle
const res = await pay("https://x402.ottoai.services/gas-oracle");
console.log(await res.json());

Example input

{}

Example output

{
  "data": {
    "baseFeePerGas": {
      "gwei": 0.005,
      "wei": "5000000"
    },
    "chain": "base",
    "chainId": 8453,
    "formula": "priorityFee tiers = mean of the p25/p50/p90 priority-fee tips over the last 20 blocks (eth_feeHistory); suggested maxFeePerGas = baseFeePerGas*2 + tierTip.",
    "gasPrice": {
      "gwei": 0.006,
      "wei": "6000000"
    },
    "generatedAt": "2026-09-01T12:01:00.000Z",
    "priorityFeePerGas": {
      "fast": 0.0025,
      "slow": 0,
      "standard": 0.00025,
      "unit": "gwei"
    },
    "suggested": {
      "fast": {
        "maxFeePerGasGwei": 0.0125,
        "maxFeePerGasWei": "12500000",
        "maxPriorityFeePerGasGwei": 0.0025
      },
      "slow": {
        "maxFeePerGasGwei": 0.01,
        "maxFeePerGasWei": "10000000",
        "maxPriorityFeePerGasGwei": 0
      },
      "standard": {
        "maxFeePerGasGwei": 0.01025,
        "maxFeePerGasWei": "10250000",
        "maxPriorityFeePerGasGwei": 0.00025
      }
    },
    "window": {
      "avgGasUsedRatio": 0.1132,
      "blocks": 20,
      "congestion": "low",
      "oldestBlock": 50738536
    }
  },
  "meta": {
    "degraded": false,
    "generatedAt": "",
    "stalenessSec": 0,
    "validUntil": ""
  },
  "status": "success"
}

Security scan

• No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks