You can define as many credentials as you want under the Easy Integrations Menu > Settings > Credentials app menu item.
The general rule of thumb to define credentials globally in the app scope is reusability. This way, you won't need to change all usernames/passwords that are used in post functions when the credential changes.
There are four Credential Types that you can define:
- Basic
- Bearer
- Oauth
- Oauth2
You can create a new credential: