{
  "title": "Get Gas Oracle",
  "description": "Example request and response for the Polygon PoS gas oracle, which provides safe, proposed, and fast gas prices.",
  "request": {
    "method": "GET",
    "url": "https://api.etherscan.io/v2/api",
    "parameters": {
      "chainid": "137",
      "module": "gastracker",
      "action": "gasoracle",
      "apikey": "YourApiKeyToken"
    },
    "curl": "curl 'https://api.etherscan.io/v2/api?chainid=137&module=gastracker&action=gasoracle&apikey=YourApiKeyToken'"
  },
  "response": {
    "status": "200 OK",
    "headers": {
      "Content-Type": "application/json; charset=utf-8"
    },
    "body": {
      "status": "1",
      "message": "OK",
      "result": {
        "LastBlock": "50000000",
        "SafeGasPrice": "30",
        "ProposeGasPrice": "35",
        "FastGasPrice": "50",
        "suggestBaseFee": "28.5",
        "gasUsedRatio": "0.45,0.52,0.38,0.61,0.49"
      }
    }
  },
  "notes": "Gas prices are in Gwei. SafeGasPrice is slower but cheaper. FastGasPrice is faster but more expensive. suggestBaseFee is the current EIP-1559 base fee."
}