> For the complete documentation index, see [llms.txt](https://docs.middle.app/middle-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.middle.app/middle-docs/guides/app-reference.md).

# App Reference

Obtains the credentials to connect an app

## Getting app credentials

To connect with any app, you will need your own API credentials to facilitate the integration. Depending on the app, the nature of this integration varies. Oftentimes, an API partnership is required with the app provider, an OAuth application must be created in the software platform, or it's as simple as grabbing an API key from the app admin.

API credentials are either entered on the [app connection page](/middle-docs/product/accounts/connect-or-edit-an-app-connection.md) or at an organization level, in the [API keys](/middle-docs/product/apps/credential-storage.md) tool.

{% hint style="info" %}
All OAuth authentications require OAuth application credentials to be entered in the [API keys](/middle-docs/product/apps/credential-storage.md) menu
{% endhint %}

### Redirect URLs

When an app authentication requires a redirect URL, as is the case for OAuth flows, you'll need to use a redirect URL that returns to your Middle instance. You'll want to use the following: `https://`<mark style="color:orange;">`{`</mark>*<mark style="color:orange;">`ENTER YOUR INSTANCE NAME HERE`</mark>*<mark style="color:orange;">`}`</mark>`.middle.app/oauth-redirect-uri/`


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