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

# Overview

> Authenticate with the API using either a temporary key or join our waitlist and get a permanent key.

### Temporary API Key

To get a temporary API key, please send an API request to the [temporary-key endpoint](/api-reference/auth/temporary-key).

<Warning>Temporary keys expire 24 hours after generation.</Warning>

### Join our waitlist & get a permanent API Key

To join the waitlist, please send an API request with your email to the [waitlist endpoint](/api-reference/auth/waitlist).

<Note>We will **only** email you when we release beta/full versions.</Note>