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

# Introduction

> Fundamental concepts of Midday Engine API.

<Frame>
  <img src="https://mintlify.s3.us-west-1.amazonaws.com/middaylabsab/images/engine.png" alt="Midday Engine" width="800" height="420" />
</Frame>

<Info>
  Midday Engine is currently in beta. If you have any questions or feedback,
  please reach out to us at
  [support@midday.ai](mailto:support@midday.ai?subject=Engine%20API%20API)
</Info>

## Base URL

Midday Engine API is built on REST principles and is served over HTTPS. To ensure data privacy, unencrypted HTTP is not supported.

The Base URL for all API endpoints is:

```bash Terminal
https://engine-api.midday.ai
```

## Authentication

Authentication to Midday Engine API is performed via the Authorization header with a Bearer token. To authenticate, you need to include the Authorization header with the word `Bearer` followed by your token in your API requests like so:

```bash Terminal
Authorization: Bearer <Your-Token>
```