# Authorize Memberstack

To authorize Memberstack, you just need to grab your App's Secret Key:

<figure><img src="https://2481481593-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FtLaMDbvbGOow76E8CnqW%2Fuploads%2FPqlyxhAxBiF0AsE24Ici%2FMemberstack%20Secret%20Key.png?alt=media&#x26;token=43e2b218-d09f-4ac8-9a86-a27617397995" alt=""><figcaption></figcaption></figure>

{% hint style="warning" %}
\*Note - Memberstack has different Secret Keys for your Test data and your Production data. Make sure to choose the one you want.
{% endhint %}