# RedGifs Downloader - Full Documentation

This is the comprehensive knowledge base for RedGifs Downloader, containing detailed API endpoints, platform usage guides, technical workarounds, and step-by-step tutorials for developers, power users, and programmatic integrations.

For the brief summary, please refer to the main [llms.txt](https://redgifsdownloader.net/llms.txt).

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## Technical Architecture & Core Services

RedGifs Downloader is built to solve common issues related to preserving media files from the RedGifs platform. Specifically, RedGifs serves high-definition videos with audio track separation.

### Sound Merging Algorithm
By default, standard browser scraping of RedGifs video assets only yields silent video tracks. RedGifs Downloader programmatically detects:
1. The isolated high-definition video track (MP4).
2. The isolated audio stream.
3. It merges them on-the-fly using specialized media stitching routines, returning a unified high-fidelity MP4 file with native stereo sound.

### Profile Scraping & Collections
The [RedGifs Profile Downloader and Bulk Media Link Extractor](https://redgifsdownloader.net/redgifs-profile-downloader) is capable of:
- Resolving full user profiles.
- Paginated retrieval of post metadata.
- Processing bulk requests up to hundreds of links simultaneously without triggering rate limits.

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## Detailed API Reference

Developers and automated applications can leverage our API endpoint to process lists of URLs programmatically.

### `POST /api/download/posts`

Retrieves fully resolved download URLs for videos (with sound), GIFs, and image sets.

#### Request Headers
- `Content-Type: application/json`

#### Request Payload
| Parameter | Type | Required | Description |
| :--- | :--- | :--- | :--- |
| `urls` | String | Yes | Semicolon (`;`) or newline (`\r\n`) separated list of RedGifs posts/links. |
| `key` | String | Yes | API authorization key. |

*Example Payload:*
```json
{
  "urls": "[https://www.redgifs.com/watch/examplepost1;https://www.redgifs.com/watch/examplepost2](https://www.redgifs.com/watch/examplepost1;https://www.redgifs.com/watch/examplepost2)",
  "key": "your-api-token-here"
}