Video

LTX-2 19B

LTX 2 19B supports Lightricks text-to-video, image-to-video, and LoRA-conditioned video workflows with 480p/720p/1080p tiers.

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Base + LoRA modes

5-20 seconds

480p / 720p / 1080p

16:9 / 9:16 text modes

Generated preview

LTX-2 19B

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Create with LTX-2 19B

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Authentication & Integration

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Integrate with AI

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Endpoints

POSThttps://api.apixo.ai/api/v1/generateTask/ltx-2-19bCreate task

GEThttps://api.apixo.ai/api/v1/statusTask/ltx-2-19b?taskId={taskId}Poll status

Request body

request_type

async

Use callback with callback_url for webhooks.

input

object

Mode, prompt, references, size, duration, and audio settings.

Parameters

request_typerequired

Typeselect

Use async to poll statusTask, or callback to receive a webhook when the result is ready.async · callback

callback_urlconditional

Typetext

Public HTTPS URL for callback delivery.Only in request_type=callback

moderequired

Typeselect

Choose the video workflow supported by this model.text-to-video · image-to-video · text-to-video-LoRA · image-to-video-LoRA

promptrequired

Typestring

Describe the subject, action, scene, camera movement, lighting, and audio cues for the final video.

resolutionrequired

Typeselect

Choose the output resolution tier.480p · 720p · 1080p

aspect_ratiorequired

Typeselect

Choose the output frame ratio when the selected mode supports it.16:9 · 9:16

durationrequired

Typeslider

JSON integer from 5 through 20 seconds.

seedoptional

Typetext

Use -1 for random output, or an integer from 1 through 2147483647.

Parameter	Type	Required	Description
`request_type`	select	required	Use async to poll statusTask, or callback to receive a webhook when the result is ready.async · callback
`callback_url`	text	conditional	Public HTTPS URL for callback delivery.Only in request_type=callback
`mode`	select	required	Choose the video workflow supported by this model.text-to-video · image-to-video · text-to-video-LoRA · image-to-video-LoRA
`prompt`	string	required	Describe the subject, action, scene, camera movement, lighting, and audio cues for the final video.
`resolution`	select	required	Choose the output resolution tier.480p · 720p · 1080p
`aspect_ratio`	select	required	Choose the output frame ratio when the selected mode supports it.16:9 · 9:16
`duration`	slider	required	JSON integer from 5 through 20 seconds.
`seed`	text	optional	Use -1 for random output, or an integer from 1 through 2147483647.

File parameters (URL arrays)

image_urls[mode=image-to-video | image-to-video-LoRA]Upload exactly one image for image-to-video or image-to-video-LoRA.Only in mode=image-to-video | image-to-video-LoRA

Example (cURL)

curl -X POST "https://api.apixo.ai/api/v1/generateTask/ltx-2-19b" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "request_type": "async",
    "input": {
      "mode": "text-to-video",
      "prompt": "a futuristic city with flying cars at sunset",
      "resolution": "1080p",
      "duration": 10,
      "aspect_ratio": "16:9",
      "seed": 54248617
    }
  }'

Full API documentation

LTX-2 19B Tips

Create video generation with LTX 2 19B

Use LTX 2 19B through APIXO to try prompts, inspect examples, compare costs, and keep useful settings ready for future generations.

Create

Start with an idea

Pick a model, tune the settings, and create in one place.

Write an idea

Describe what you want to make.

Use an example

Start from a ready-made style.

Adjust the look

Tune the key settings quickly.

Create

Generate when everything feels right.

Keep results

Save what you want to revisit.

Try again

Make the next version faster.

LTX 2 19B API Technical Specs

Current LTX 2 19B capabilities and important creation limits.

LTX 2 19B Modes

Text-to-video, image-to-video, and LoRA video workflows

LTX 2 19B Output

Base + LoRA modes

LTX 2 19B Controls

5-20 seconds / 480p / 720p / 1080p

LTX 2 19B Latency

Typically 40-120 seconds

Lightricks Video API

Key LTX-2 19B capabilities

LTX 2 19B video generation

Use LTX 2 19B for Text-to-video, image-to-video, and LoRA video workflows creation with simple controls for prompts, references, and output settings.

LTX 2 19B reference control

Upload supported reference assets where available, then keep refining the same idea on the model page.

LTX 2 19B generation status

Keep track of longer video generations while the result is being prepared.

What can you build with LTX-2 19B?

LTX 2 19B product videos

Create product reveals, ecommerce ads, launch clips, and campaign motion assets.

LTX 2 19B social creative

Generate short videos for social channels and iterate quickly across prompt, duration, resolution, and ratio settings.

LTX 2 19B storyboard workflows

Use text prompts and references to validate scenes, shots, and motion ideas before committing production budget.

Read FAQ

LTX-2 19B notes and questions

Duration must be 5-20 seconds.

Prompt length must not exceed 5000 characters.

Image modes require exactly one public image URL.

LoRA arrays support up to 3 items and each item requires path and scale.

Seed must be -1 or an integer from 1 through 2147483647.

Yes. Use the Create tab to try prompts, upload supported inputs, and adjust settings directly in the browser.

APIXO

Create with LTX-2 19B

Write a prompt, adjust the style, and generate your next image in one place.

Start creating View API docs