---
title: "kling-v3.0-4k-text-to-video (best)"
method: POST
path: "/api/v1/kling-v3.0-4k-text-to-video"
tags: ["Video: Text-to-Video"]
---

# kling-v3.0-4k-text-to-video (best)

`POST /api/v1/kling-v3.0-4k-text-to-video`

## Request

- Base URL: `https://api.muapi.ai`
- URL: `https://api.muapi.ai/api/v1/kling-v3.0-4k-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 native 4K videos from text using Kling 3.0 4K (Kuaishou, Feb 4 2026 release — first model to output native 4K at 60fps, not upscaled). Multi-shot support, native audio sync, up to 15-second video. Input: text prompt. Output: 4K 60fps video. Use for: ultra-high-resolution production video, hero shots, commercial work where 4K is required.

## 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

- KlingV304kT2VRequest
  - `prompt` string, required
  - `aspect_ratio` '9:16' | '16:9' | '1:1'
  - `duration` 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15
  - `generate_audio` boolean
  - `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)