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Markets Gas

by Market Intelligence API in Onchain & crypto

x402 APIPassing, checked 3 h ago

Gas price and transaction fees per chain ($0.001): base fee, priority fee percentiles and the USD cost of a transfer and a DEX swap on Ethereum, Base, Arbitrum, Optimism, Polygon and other EVM chains. Use before sending a transaction to pick the cheapest chain.

GET https://api.marketintelligenceapi.com/api/v1/markets/gas

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
53 ms typical, 53 ms slowest 5%
Last check
3 h ago
Next check
any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X GET "https://api.marketintelligenceapi.com/api/v1/markets/gas"
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%2Fapi.marketintelligenceapi.com%2Fapi%2Fv1%2Fmarkets%2Fgas
const res = await pay("https://api.marketintelligenceapi.com/api/v1/markets/gas");
console.log(await res.json());

Example output

{
  "chains": [
    {
      "baseFeeGwei": 0.0071,
      "chain": "base",
      "gasPriceGwei": 0.0092,
      "nativeToken": "ETH",
      "swapCostUsd": 0.00368,
      "transferCostUsd": 0.000515
    }
  ]
}

Security scan

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

Recent checks

WhenResultHTTPTimePrice
3 h agoPassed402202 ms$0.001
8 h agoPassed40253 ms$0.001