signMessage | Alchemy Docs

1 function signMessage(client, signer, params): Promise<`0x${string}`>;

Defined in: account-kit/wallet-client/src/client/actions/signMessage.ts:31

Signs a message using the smart account. This method requests the account associated with the signer and uses it to sign the message.

Example

1 // Sign a simple text message
2 const signature = await client.signMessage("Hello, world!");
3 
4 // Sign a raw hex message
5 const signature = await client.signMessage({
6   raw: "0x48656c6c6f2c20776f726c6421",
7 });

Parameters

Parameter	Type	Description
`client`	`InnerWalletApiClient`	The wallet API client to use for the request
`signer`	`SmartWalletSigner`	The signer of the smart account
`params`	`SignMessageParams`	Parameters for signing the message

Returns

Promise<`0x${string}`>

A Promise that resolves to the signed message as a hex string