LTX 2.3 Fast Image-to-Video API

Fast image-to-video generation (6-20s, 1080p-2160p). Integrate this model via REST with endpoint docs, parameters, and code examples.

Video Generation

Img2Vid

Audio

Content moderation disabled

Credit Cost

2 credits/sec

Type

video

Get API Key

Create auth keys for apps and agents

See Usage

Track requests, credits, and logs

Buy Credits

Top up prepaid API capacity

API Endpoint

POST

/api/v1/models/ltx-2-fast-i2v/run

LLM.txt

AI-Ready

For AI assistants

Copy this model's documentation into Claude, GPT, or any AI for instant integration help.

/llm/ltx-2-fast-i2v.txt

OpenAPI Spec

Swagger compatible

Import into Postman, Swagger UI, or generate client SDKs in any language.

/api/openapi

Parameters

Input parameters accepted by this model

Parameter	Type	Description	Default
`prompt` required	string	Text description of the video to generate.	-
`duration`	integer	Clip duration in seconds (Fast 6-20s, Pro 6-10s). min: 6 \| max: 20	`6`
`resolution`	enum	Output resolution. `1080p1440p2160p`	`1080p`
`fps`	enum	Frames per second. `24254850`	`25`
`generate_audio`	boolean	Whether to generate synchronized audio.	`true`
`seed`	integer	Optional random seed for reproducibility.	-
`image_url` required	url	Starting image for image-to-video generation (required).	-
`end_image_url`	url	Optional end frame to create a transition between start and end images.	-
`aspect_ratio`	enum	Video aspect ratio (auto infers from image, or 16:9/9:16). `auto16:99:16`	`auto`

Supported Aspect Ratios

auto

16:9

9:16

Code Examples

Copy and paste to get started

bash

curl -X POST "https://pixeldojo.ai/api/v1/models/ltx-2-fast-i2v/run" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "prompt": "A cinematic shot of ocean waves at sunset",
    "aspect_ratio": "16:9",
    "duration": 5
  }'

Response Format

Submit Response (202 Accepted)

json

{
  "jobId": "job_abc123...",
  "status": "pending",
  "statusUrl": "https://pixeldojo.ai/api/v1/jobs/job_abc123...",
  "creditCost": 12,
  "creditsRemaining": 95,
  "expiresAt": "2025-01-23T12:00:00Z"
}

Completed Response

json

{
  "jobId": "job_abc123...",
  "status": "completed",
  "output": {
    "video": "https://temp.pixeldojo.ai/pixeldojotemp/1705930123-456789.mp4"
  },
  "creditCost": 12,
  "expiresAt": "2025-01-23T12:00:00Z"
}

LLM Documentation Try in Web UI Get API Key Usage Dashboard Buy Credits