Switch Chain

Requests that the wallet switches its active Ethereum chain

Request Parameters

Params[0]

Parameter	Type	Required	Description
chainId	String	Yes	The chain ID is a 0x-prefixed hexadecimal string.

Response Parameters

Parameter	Type	Description
null		null is returned if the active chain was switched, and an error otherwise.

Request Example

ethereum.request({
  method: "wallet_switchEthereumChain",
  params: [
    {
      chainId: "0x89",
    },
  ],
});

Response Example

null