VIDEO GENERATION API

Manifold Video API

Our native cinematic generator with prompt, start frame, stop frame, ordered keyframes, loops, and generated audio. Route it through one ManifoldGen key and receive a recoverable asynchronous job.

Authentication

Bearer API key

Response

Async job + status URL

Request schema

serviceh3_videoRequired

promptstringRequired

first_frameHTTPS URLOptional

keyframesHTTPS URL[]Optional, up to 8

duration4 | 5 | 8 | 10 | 154

sizepreview | balanced | nativebalanced

aspect_ratio16:9 | 9:16 | 1:1 | 4:3 | 3:4 | 21:916:9

latent_upscaleboolean; learned clean-latent 2× before decode (2× output)Optional

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

Optional starting image URL

DurationAspect ratioResolutionSeed

Generate audio

Output

Example output

Edit in Studio Open video

API request

curl https://manifoldgen.com/api/service \
  -X POST \
  -H "Authorization: Bearer $MANIFOLDGEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "service": "h3_video",
  "prompt": "A glass torus floats in a dark studio, slowly turning as luminous violet and cyan light travels through its transparent body, cinematic macro photography, precise reflections, no text.",
  "duration": 4,
  "aspect_ratio": "16:9",
  "size": "preview",
  "num_steps": 20,
  "output_format": "webm-av1",
  "include_audio": true
}'

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