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Getting Started

API Documentation

Power your creativity with LTX — an advanced model built for seamless video generation

Generate video with synchronized audio from text, images, and audio inputs. Each request runs as an async job: submit it, check its status, and download the video when it completes.

Powered by the most downloaded open-source video model on Hugging Face. Engineered for real-world workloads with predictable performance at any volume. Stable outputs, consistent fidelity, and infrastructure-grade reliability.

LTX API Capabilities

All endpoints return video with synchronized audio — dialogue, music, and ambient sound are generated together with the visuals.

Text-to-Video

Generate video from a text description. Describe a scene, camera movement, and mood — the API returns a complete video with matching audio. Up to 4K resolution and 20 seconds per request.

Image-to-Video

Animate a still image with realistic motion, depth, and audio. Provide a reference image and a prompt describing the desired motion. The output preserves the visual identity of the source image.

Audio-to-Video

Generate video driven by an audio track. Supply dialogue, music, or ambient sound and the API produces visuals synchronized to the audio. Optionally condition on a reference image for visual direction.

Retake

Re-generate a specific section of an existing video without starting over. Select a time range and mode (replace video, audio, or both) to iterate on parts of a generation while keeping the rest intact.

Extend

Lengthen an existing video from the beginning or end. Provide a video, a duration, and a context window — the API generates new frames that continue seamlessly from the original, preserving audio and visual continuity.

Reframe

Reframe a video to a new resolution. Provide a video and a target resolution — the API fills in the missing areas with generated content that matches the original.

Get Started

Get an API Key

Sign up at the developer console and generate your key.

Quick Start

Make your first request and generate a video in minutes.

Supported Models

Choose between fast and pro models for speed or quality.

Pricing

Per-second pricing with no minimums or hidden fees.