# Sendy credentials

You can use these credentials to authenticate the following nodes with Sendy.

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


## Prerequisites

Host a [Sendy](https://sendy.co/get-started) application.

## Using API Key

1. Access your Sendy application.
2. Click on the username on the top right corner and select 'Settings'.
3. Copy the API key displayed under the ***Your API key*** section.
4. Use this API key and the installation URL with your Sendy node credentials in Mosaic Workflows.