> ## Documentation Index
> Fetch the complete documentation index at: https://nango.dev/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# How to register your own FreeAgent Sandbox OAuth app

> Register an OAuth client application with FreeAgent Sandbox and connect it to Nango

This guide shows you how to register your own app with FreeAgent Sandbox to obtain your OAuth credentials (client ID & secret). These are required to let your users grant your app access to their FreeAgent Sandbox account.

<Steps>
  <Step title="Create a developer account">
    Go to the [FreeAgent Developer Dashboard](https://dev.freeagent.com/) and sign up for a developer account if you don't have one.
  </Step>

  <Step title="Register your application">
    1. Navigate to your [Apps page](https://dev.freeagent.com/apps).
    2. Click on the **Create New App** button.
    3. Fill in the required fields. For the **OAuth Redirect URIs**, enter `https://api.nango.dev/oauth/callback`.
    4. Submit the form, and your app will be generated. The **OAuth identifier** will be your Client ID and the **OAuth secret** will be your Client Secret needed to configure this in Nango.
  </Step>

  <Step title="Next">
    Follow the [*Quickstart*](/getting-started/quickstart) to connect your first account.
  </Step>
</Steps>

<Note>The same application can be used for both FreeAgent production and sandbox environments. The sandbox environment uses `api.sandbox.freeagent.com` as the base URL.</Note>

For more details, see [FreeAgent's OAuth 2.0 documentation](https://dev.freeagent.com/docs/quick_start).

***