eth_chainId - Polygon

GET https://polygon-mainnet.unifra.io/v1/{your-api-key}

Polygon API - Returns the currently configured chain ID, a value used in replay-protected transaction signing as introduced by EIP-155.

Parameters

none

---

Returns

QUANTITY - Integer of the current chain ID.

---

Example

Request

cURL

curl https://polygon-mainnet.unifra.io/v1/your-api-key \
-X POST \
-H "Content-Type: application/json" \
-d '{"jsonrpc":"2.0","method":"eth_chainId","params":[],"id":83}'

Postman

URL: https://polygon-mainnet.unifra.io/v1/your-api-key
RequestType: POST
Body:
{
    "jsonrpc":"2.0",
    "method":"eth_chainId",
    "params":[],
    "id":83
}

Result

JSON

{
	"jsonrpc": "2.0",
	"id": 83,
	"result": "0x89"
}