> ## 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.

# Authentication for the Legacy API

> All REST API resources are authenticated with HTTP Bearer access tokens. You can manage access tokens on your company settings page.

<Info>
  🚧 This page refers to the Legacy API which is deprecated
</Info>

## API Keys

The Pleo API uses API keys to authenticate requests. You can view and manage your API keys in the Pleo UI in "Settings"

<Info>
  🚧 **Keep your key safe!**

  Your API keys carry many privileges, so be sure to keep them secure! Do not share your secret API keys in publicly accessible areas such as GitHub, client-side code, and so forth.
</Info>

Create your individual **Open API Token** with the steps below:

1. Open the Pleo web app and go to your Settings

2. Click on Open API

3. Click on Create token in the top right corner

<img src="https://mintcdn.com/pleo-61d4d38b/UuiilCOMmC9ytc__/images/reference/cbd085b-password_bird_3-05.png?fit=max&auto=format&n=UuiilCOMmC9ytc__&q=85&s=f4798119483ace81e9559da4d2dfd8b7" alt="" width="320" height="320" data-path="images/reference/cbd085b-password_bird_3-05.png" />

## Independent Software Vendors

Please ensure that you have an active Pleo **admin** account.

<Info>
  📘 **If you are integrating on behalf of your customer.**

  Please contact us at [api@pleo.io](mailto:api@pleo.io) !
</Info>