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# Authorization.recoverAddress

Recovers the authorizing address of an [EIP-7702](https://eips.ethereum.org/EIPS/eip-7702) authorization.

## Imports

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

## Examples

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

declare const authorization: Authorization.Authorization<true>

// Recover from a signed authorization (signature carried on the object).
const address = Authorization.recoverAddress({ authorization })

// Or pass an explicit signature for an unsigned authorization.
const address2 = Authorization.recoverAddress({
  authorization,
  signature: '0x…',
})
```

## Definition

```ts
function recoverAddress(
  options: recoverAddress.Options,
): Address
```

## Parameters

### options.authorization

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

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

### options.signature

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

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

## Return Type

The recovered authorizing address.

`Address`