# DeepL credentials

You can use these credentials to authenticate the following nodes:

- [DeepL](/guides/automated-workflows/integrations/builtin/app-nodes/ts-wf-nodes-base.deepl)


## Prerequisites

Create a [DeepL developer](https://www.deepl.com/pro-api) account. Mosaic Workflows works with both Free and Pro API Plans.

## Supported authentication methods

- API key


## Using API key

To configure this credential, you'll need:

- An **API Key**: Refer to [DeepL's Authentication documentation](https://developers.deepl.com/docs/getting-started/auth#authentication) for more information on getting your API key.
- To identify which **API Plan** you're on. DeepL has different API endpoints for each plan, so be sure you select the correct one:
  - Pro Plan
  - Free Plan