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

# Introduction

<Warning>
  **This page has now been ARCHIVED. Please visit:**

  * **[OAuth 2.0 Access to Staging Workflow Guide](/docs/current/guides/environment-access/staging-oauth-workflow)**
  * **[Environments](/docs/current/getting-started/testing-and-environments)**
</Warning>

<Info>
  <span style={{fontSize:'1.2em'}}>**Note**: The target audience for this page is the following users:</span>

  * Developer partners commissioned by Pleo.
  * Customers (Companies or Organisations willing to integrate with Pleo).
</Info>

Here is a brief outline of the entire authorisation process:

1. **Client credentials for authorisation**: Get credentials for authorisation. We support the following authorisation methods:

* [OAuth 2.0](/docs/oauth-20)
* [API Keys](/docs/api-keys)

<Info> ⚠️ <span style={{fontWeight:'bold'}}>Note</span>: The Pleo APIs are currently available through our Early Access Programme. We're eager to collaborate with independent developer partners. If you're interested in exploring how you can integrate with Pleo, please submit your request through this [form](https://docs.google.com/forms/d/e/1FAIpQLScJxF9CynyJ6stm8FNOK21wgLYBkgUJL3pnUsHvI5hNIMNtFA/viewform). </Info>

2. **Test Account**: Generate a test account. This is provided to you during the onboarding process.
3. **Use Pleo**: Start your journey with Pleo APIs.