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LTX-2 API

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LTX-2 19B — advanced AI video generation with text-to-video, image-to-video, lipsync, and control modes. Up to 1080p, 5–20 seconds.

LightTricks / WaveSpeedvideo24 credits/call
Provider
LightTricks / WaveSpeed
Pricing
20–256 credits per video (~$0.04–$0.51)
Speed
30–120 seconds
Output
video

Quick Start

Send a request to the LTX-2 API:

bash
1curl -X POST https://apiin.one/api/v1/videos/generations \
2 -H "Authorization: Bearer YOUR_API_KEY" \
3 -H "Content-Type: application/json" \
4 -d '{
5 "model": "ltx-2",
6 "prompt": "A cat playing piano in a jazz bar, cinematic lighting",
7 "resolution": "720p",
8 "aspect_ratio": "16:9",
9 "duration": 5
10}'

API Endpoint

POST/api/v1/videos/generations

Send a POST request with your API key to generate content using LTX-2.

Headers

Body ParametersJSON
Authorization:string

Bearer YOUR_API_KEY

Content-Type:string

application/json

Body Parameters

Body ParametersJSON
model:string

Model identifier: ltx-2

prompt:optional string

Text description (required for text-to-video and image-to-video)

type:optional string

Mode: text-to-video, image-to-video, lipsync, or control

image:optional string

Image URL for image-to-video mode

audio:optional string

Audio URL for lipsync mode

audio_duration:optional number

Audio duration in seconds for lipsync (5–20)

video:optional string

Video URL for control mode

video_duration:optional number

Video duration for control mode (5–20)

mode:optional string

Control mode: pose, depth, or canny

audio_mode:optional string

Audio mode for control: preserve, generate, or none

resolution:optional string

Output resolution: 480p, 720p, or 1080p Defaults to 720p.

aspect_ratio:optional string

Aspect ratio: 16:9 or 9:16 (text-to-video only) Defaults to 16:9.

duration:optional number

Video duration in seconds (5–20) Defaults to 5.

seed:optional number

Random seed for reproducibility (-1 for random) Defaults to -1.

Example Request

json
1{
2 "model": "ltx-2",
3 "prompt": "A cat playing piano in a jazz bar, cinematic lighting",
4 "resolution": "720p",
5 "aspect_ratio": "16:9",
6 "duration": 5
7}

Example Response

Successful task creation response.

1{
2 "code": 200,
3 "message": "success",
4 "data": {
5 "task_id": "n50xxxx_ltx2",
6 "status": "IN_PROGRESS"
7 }
8}

Check Task Status

For asynchronous tasks, poll the status endpoint to check when your task is complete:

GET/api/v1/tasks/{task_id}

Returns the current status of a generation task. Poll until status is 'completed' or 'failed'.

bash
1curl https://apiin.one/api/v1/tasks/task_abc123 \
2 -H "Authorization: Bearer aio_your_key"

Use Cases

  • ✓Generate high-quality videos from text prompts
  • ✓Animate images into video with image-to-video mode
  • ✓Create lipsync videos by combining audio with AI video
  • ✓Apply pose/depth/edge control to existing video

API Tester

Test the LTX-2 API directly from your browser:

API-PlaygroundPOST

Error Codes

1{
2 "error": {
3 "code": 400,
4 "message": "Invalid parameters",
5 "type": "invalid_request"
6 }
7}

Frequently Asked Questions

How much does LTX-2 cost?

Credits depend on mode, resolution, and duration. Text/image-to-video: 20–76 credits. Lipsync: 32–128 credits. Control: 64–256 credits.

What modes does LTX-2 support?

Four modes: text-to-video, image-to-video, lipsync (audio+video), and control (pose/depth/canny). Specify with the "type" parameter.

What resolutions are supported?

480p, 720p, and 1080p. Higher resolutions cost more credits.

Why Use LTX-2 Through API in One?

1.4 specialized modes in one model
2.Lipsync from audio input
3.Video control with pose/depth/canny
4.Up to 1080p and 20 seconds

Ready to use LTX-2?

Get Your API Key →