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

# General information

> Base URL, authentication, date formats, and response codes for the Paubox Email API.

If you're not sure where to start, visit the [Quickstart guide](/email-api/quickstart). To set up credentials, see [Authentication](/email-api/authentication).

## Base URL

`https://api.paubox.com/v1/email`

## Authorization

Pass your API key as a Bearer token in every request:

`Authorization: Bearer YOUR_API_KEY`

The legacy format `Authorization: Token token=YOUR_API_KEY` is also accepted. Bearer is preferred.

## Date format

Dates are passed as strings formatted to RFC 2822 standards e.g. "Fri, 16 Feb 2018 13:00:00 GMT"

## Standard HTTP response codes

| **Status Code**    | **Status Message** |
| :----------------- | :----------------- |
| 200                | Service Ok         |
| 400                | Bad Request        |
| 401                | Unauthorized       |
| 404                | Not Found          |
| 500, 502, 503, 504 | Server Error       |

## Community & support

<CardGroup cols={2}>
  <Card title="Q&A" icon="comments" href="https://github.com/Paubox/community/discussions/categories/paubox-email-api">
    Ask usage questions in the Paubox Community.
  </Card>

  <Card title="Ideas" icon="lightbulb" href="https://github.com/Paubox/community/discussions/categories/ideas">
    Propose features and improvements.
  </Card>
</CardGroup>

<Warning>
  Never post PHI, recipient addresses, or message content in public threads. Account, billing, or anything sensitive goes to [support@paubox.com](mailto:support@paubox.com).
</Warning>