Kling 4.0

Kling 4.0 — up to 30s with native audio and lip-sync; reference images, videos, characters and voices, or plain text.

Credits

Use Kling 4.0 in Nodaro

Add one of these nodes to your canvas, open its settings, and choose Kling 4.0 as the model:

• Generate Video
• Generate Video Pro

Run Kling 4.0 from code

Each call starts a job and returns its jobId. Poll GET /v1/jobs/:id/status, or let the SDK wait for the result. A run costs the credits on this page. API reference

With Nodaro connected to Claude, ChatGPT or Cursor, ask in plain words, or have the assistant call the tool: “Use Kling 4.0 to make: A paper boat drifts down a rain-soaked street at dusk, slow dolly in”

curl -s -X POST https://app.nodaro.ai/v1/text-to-video \  -H "Authorization: Bearer $NODARO_API_KEY" \  -H "Content-Type: application/json" \  -d '{        "prompt": "A paper boat drifts down a rain-soaked street at dusk, slow dolly in",        "provider": "kling-4",        "duration": 3      }'

import { createClient, StaticTokenAuth } from "@nodaro/sdk"const client = createClient({  baseUrl: "https://app.nodaro.ai",  auth: new StaticTokenAuth(process.env.NODARO_API_KEY!),})const output = await client.nodes.runAndWait("text-to-video", {  prompt: "A paper boat drifts down a rain-soaked street at dusk, slow dolly in",  provider: "kling-4",  duration: 3,})

{  "tool": "generate_video",  "arguments": {    "prompt": "A paper boat drifts down a rain-soaked street at dusk, slow dolly in",    "model": "kling-4",    "duration": 3  }}

Prompt tips

• kling-4: text only, or up to 10 images, 5 videos (2-30s), 7 characters and 3 voices (15 in all). Name each: @image_1, @video_1, a character's @Name, a voice clip @audio_1.
• kling-4-keyframes: start frame, up to 8 in-between frames (Image References, in order), end frame — @first_frame, @keyframe_1 …, @last_frame. 3s takes 4 frames in all, 9s or longer 10.
• 3-30s (default 5), 720p (default) / 1080p, native audio always on. A reference video lends its camera moves and pacing; keep-original-sound keeps its own audio.
• Prompt cap 8,000 chars. Aspect auto / 16:9 / 9:16 / 1:1 / 21:9 — Keyframes follows the start frame's shape once a frame is attached.

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