4K marketing assets
Create large-format hero videos for displays and presentations.
LTX Video 2 - the open-source model pushing 4K AI video with synchronized audio generation.
Best for 4K content, broadcast-quality output, and open-source 4K video pipelines.
Official LTX Video 2 API access on VideoGenAPI, with REST endpoints, webhooks, a live playground and developer docs.
Explore the interface and see how easy it is to generate videos with LTX Video 2. Sign up for free to start creating!
Discover what's possible with LTX Video 2 AI video generation
Generated with the LTX Video 2 API at up to 4K. Results vary with prompt detail and requested duration.
The LTX Video 2 API is a REST interface that lets developers generate AI videos programmatically using Lightricks's LTX Video 2 model. It supports text-to-video, image-to-video through a single POST endpoint. VideoGenAPI handles authentication, billing, and provider infrastructure - you only need one API key to start building with the LTX Video 2 API.
Integrate the LTX Video 2 API in your app in under 5 minutes with these four steps.
Sign up free at VideoGenAPI.com and generate your API key from the dashboard. No Lightricks account needed.
POST to https://videogenapi.com/api/v1/generate with your API key, model "ltxv-2", and a text prompt describing your video.
Use the returned generation_id to check status via GET /api/v1/status/{id} or configure webhooks for automatic notifications.
Once status is "completed", retrieve the video URL from the response and embed it in your app, website, or workflow.
LTX Video 2 (LTXV 2) is a cutting-edge open-source model delivering high-fidelity video and audio from text prompts. It's one of the few models offering 4K output, making it ideal for large-screen and broadcast-quality content. Access LTXV 2 through VideoGenAPI with ~30 second processing - exceptional value for 4K output.
Create large-format hero videos for displays and presentations.
Leverage 4K detail for close-up and wildlife visuals.
Build on LTX without managing 4K GPU clusters.
Quick start guide to integrate LTX Video 2 in your application
{
"model": "ltxv-2",
"prompt": "Macro shot of a butterfly landing on a flower, wings fluttering, garden bokeh, 4K detail on wing patterns",
"duration": 10,
"resolution": "1080p"
}
{
"success": true,
"generation_id": "gen_abc123xyz",
"status": "in_progress",
"estimated_time": 30}
const response = await fetch('https://videogenapi.com/api/v1/generate', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
'Authorization': 'Bearer YOUR_API_KEY'
},
body: JSON.stringify({
model: 'ltxv-2',
prompt: 'Macro shot of a butterfly landing on a flower, wings fluttering, garden bokeh, 4K detail on wing patterns',
duration: 10 })
});
const data = await response.json();
console.log(data.generation_id);
Transparent pay-per-use pricing for the LTX Video 2 API - no monthly minimums, no hidden fees.
Available on your VideoGenAPI balance with pay-as-you-go billing
How the LTX Video 2 API compares on resolution, clip length, generation speed and price. All models below share one API key.
| Model | Provider | Max resolution | Clip length | Avg. speed | Price / video |
|---|---|---|---|---|---|
| LTX Video 2 API This page | Lightricks | 4K | 6-10s | ~30s | Pay-as-you-go |
| LTX-Video 13B API | Lightricks | 480p | 1-60s | ~70s | Pay-as-you-go |
| Wan 2.5 API | Alibaba | 1080p | 5-10s | ~50s | Pay-as-you-go |
| Higgsfield API | Higgsfield AI | 1080p | 5-15s | ~45s | Pay-as-you-go |
Switching between these models means changing the ltxv-2
value in your request body. The endpoint, authentication and webhook behaviour stay the same, so you can route work to
LTX Video 2 or any alternative without changing your integration.
Create a key and call the LTX Video 2 API in minutes, plus 16 other models on the same endpoint.
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