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# PersonalMessage.verify

Verifies that a personal ([EIP-191](https://eips.ethereum.org/EIPS/eip-191)) message was signed by the provided address (or public key).

## Imports

```ts
import { PersonalMessage } from 'viem/utils'
```

## Examples

```ts twoslash
// @noErrors
import { PersonalMessage } from 'viem/utils'

declare const address: `0x${string}`

const valid = PersonalMessage.verify({
  message: 'hello world',
  address, // or `publicKey`
  signature: '0x…',
})
```

## Definition

```ts
function verify(
  options: verify.Options,
): boolean
```

## Parameters

### options.message

* **Type:** `SignableMessage`

The message that was signed.

### options.address

* **Type:** `Address`

Address to verify the message against. Mutually exclusive with `publicKey`.

### options.publicKey

* **Type:** `PublicKey`

Public key to verify the message against. Mutually exclusive with `address`.

### options.signature

* **Type:** `Hex | Bytes | Signature.Signature`

Signature of the message.

## Return Type

Whether the message signature is valid.

`boolean`