VIDEO GENERATION API

Kling 3.0 Pro API

Kling 3.0 Pro tops the Kling lineup for fluid motion, lipsync, and filmic camera work. Route it through one ManifoldGen key and receive a recoverable asynchronous job.

Authentication

Bearer API key

Response

Async job + status URL

How to Use Kling 3.0

Request schema

servicevideo_generateRequired

modelfal-ai/kling-video/v3/pro/text-to-videoRequired

promptstringRequired

image_urlHTTPS URLOptional

duration5 | 105

resolution720p | 1080p720p

aspect_ratio16:9 | 9:16 | 1:1 | 4:3 | 3:416:9

Job lifecycle: POST to /api/service, read result.job_id, then poll /api/video-jobs/{job_id} every 2–5 seconds. Completed jobs contain a durable video_url.

Open the visual generator

Live API tester

Generator controls

Describe the shot

DurationAspect ratioResolutionSeed

Generate audio

Output

Your generated shot will appear here, ready to download or place on the Studio timeline.

API request

curl https://manifoldgen.com/api/service \
  -X POST \
  -H "Authorization: Bearer $MANIFOLDGEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "service": "video_generate",
  "model": "fal-ai/kling-video/v3/pro/text-to-video",
  "prompt": "A cinematic tracking shot through a rain-soaked night market, natural motion, rich reflections",
  "duration": 5,
  "aspect_ratio": "16:9",
  "resolution": "720p",
  "output_format": "mp4",
  "include_audio": true
}'

The API and this tester use the same request. Provider routing stays behind ManifoldGen.