API Changelog

LTX-2 deprecation

LTX-2 (ltx-2-fast, ltx-2-pro) will be deprecated on July 15, 2026. From that date, LTX-2 requests are automatically served by LTX-2.3 with no change to LTX-2 pricing. On August 15, 2026, LTX-2 will…

Async API expanded to all video generation endpoints (Beta)

New async endpoints: /v2/text-to-video, /v2/image-to-video, /v2/audio-to-video, /v2/retake, /v2/extend. Submit a job, poll for status, download from result.video_url when complete. See Async Jobs for…

HDR Video Conversion (Beta)

New /v2/video-to-video-hdr endpoint for converting SDR videos to HDR. Returns per-frame EXR images suitable for professional color grading and HDR rendering pipelines. Introducing Async API support:…

Auto Top-Up

You can now configure auto top-up to automatically purchase credits when your balance falls below a threshold. Set a threshold and top-up amount, and the system handles the rest — no more manual…

LTX-2.3

Introducing LTX-2.3 — a major leap in quality and speed for AI video generation. LTX-2.3 is now the default model across the API, available in two variants: LTX-2.3 Pro (ltx-2-3-pro) — best-in-class…

Extend Video Endpoint

New v1/extend endpoint for extending video duration by generating additional frames at the beginning or end.

Upload Endpoint

New v1/upload endpoint for uploading assets via signed URLs.

Camera Motion Effects

Camera motion support for image-to-video and text-to-video endpoints, giving direct control over camera movement in generated videos. Options: dolly_in, dolly_out, dolly_left, dolly_right, jib_up,…

Developer Console Public Launch

The developer console is now open to the public with self-service signup, automatic organization creation, and prepaid billing with credit top-up.

Audio-to-Video API

New audio-to-video endpoint for generating videos driven by audio input, with dedicated prompt enhancement.

Retake (Video Editing) Endpoint

New retake endpoint for editing specific sections of existing videos using text prompts.

LTX Video API Launch

Initial public API with image-to-video and text-to-video endpoints. Multiple model support, built-in prompt enhancement, concurrency-based quotas, and full API documentation.