> ## Documentation Index
> Fetch the complete documentation index at: https://trigger-features-scheduled-tasks.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# API keys

> How to authenticate with Trigger.dev so you can trigger tasks.

### Authentication and your secret keys

When you [trigger a task](/v3/triggering) from your backend code, you need to set the `TRIGGER_SECRET_KEY` environment variable.

Each environment has its own secret key. You can find the value on the API keys page in the Trigger.dev dashboard:

![How to find your secret key](https://mintlify.s3-us-west-1.amazonaws.com/trigger-features-scheduled-tasks/images/v3/api-keys.png)