You need to generate the API key in MailBluster if you want to integrate your app/website with MailBluster.
To generate the API key, you need to go to your Brand > Settings > API Keys then click Create new.
![Go to your Brand > Settings > API Keys then click Create new button.](https://mailbluster.com/wp-content/uploads/2023/11/API_keys_01.png)
Type the API key name and then click Create API key
![Type the API key name and then clicking Create API key.](https://mailbluster.com/wp-content/uploads/2023/11/API_keys_02.png)
Once the API key is generated, copy the Key value and use it with your app/website.
![After API key is generated, copy the Key value and use it with your app/website.](https://mailbluster.com/wp-content/uploads/2023/11/API_keys_03.png)