---
title: "ltx-2.3-text-to-video (best)"
method: POST
path: "/api/v1/ltx-2.3-text-to-video"
tags: ["Video: Text-to-Video"]
---

# ltx-2.3-text-to-video (best)

`POST /api/v1/ltx-2.3-text-to-video`

## Request

- Base URL: `https://api.muapi.ai`
- URL: `https://api.muapi.ai/api/v1/ltx-2.3-text-to-video`
- Auth: one of:
  - API key in header `x-api-key`
  - OAuth 2 (client credentials, token URL `https://api.muapi.ai/oauth/token`)

Generate 4K 50fps videos from text using LTX 2.3 (March 2026, native audio, open-source). Input: text prompt. Output: 4K 50fps video. Use for: high-framerate video generation, 4K content.

## Query parameters

- `webhook` string
- `team_id` integer, nullable

## Headers

- `x-api-key` string
- `x-embed-code` string, nullable
- `x-agent-embed-code` string, nullable
- `x-whitelabel-studio` string, nullable
- `authorization` string, nullable

## Request body

- LTX23TextToVideoRequest
  - `prompt` string, required
  - `duration` integer
  - `aspect_ratio` '16:9' | '9:16'
  - `resolution` '480p' | '720p' | '1080p'
  - `seed` integer
  - `webhook_url` string, uri, nullable

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/muapi/apis/muapi-api.md) · [All operations](https://skmtc.dev/muapi/apis/muapi-api/llms.txt) · [OpenAPI document](https://skmtc.dev/muapi/apis/muapi-api/revisions/e4b7374381e5?raw)