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# Authorization.verify

Verifies that an [EIP-7702](https://eips.ethereum.org/EIPS/eip-7702) authorization was signed by the provided address (or public key).

## Imports

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

## Examples

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

declare const authorization: Authorization.Authorization<true>
declare const address: `0x${string}`

const valid = Authorization.verify({
  authorization,
  address, // or `publicKey`
})
```

## Definition

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

## Parameters

### options.authorization

* **Type:** `Authorization.Authorization<boolean>`

The authorization (signed, or unsigned with an explicit `signature`).

### options.address

* **Type:** `Address`

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

### options.publicKey

* **Type:** `PublicKey`

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

### options.signature

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

Signature of the authorization. Defaults to the one carried on a signed authorization.

## Return Type

Whether the authorization is valid.

`boolean`