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

# X

> Posts with text, up to 4 images, or 1 video. X is always billable.

X is never free — connecting it without a card is refused. How the browser flow works: [Connect accounts](/docs/guides/connect-accounts).

## Content type

`x_post` — text with up to **4** images or **1** video. Media is optional. GIFs are kept as GIF.

## Limits

| Image                   | Video                     | Duration   |
| ----------------------- | ------------------------- | ---------- |
| 5 MB                    | 1 GB (Connect upload cap) | 20 minutes |
| JPEG / PNG / GIF / WebP | MP4 or MOV                |            |

Official: [Media best practices](https://docs.x.com/x-api/media/quickstart/best-practices).