Model-specific Buble API parameters, modes, pricing, and examples for Kling 3.0.

Kling 3.0 API

Kling 3.0 is a video model for motion-heavy shots, product movement, and start/end frame control.

Model keys

kling/kling-v3 — Kling V3

Supported modes and inputs

Model	Mode	Label	Input requirements
`kling/kling-v3`	`text_to_video`	Text to Video	Prompt max 2000 chars
`kling/kling-v3`	`frames_to_video`	Frames to Video	Prompt max 2000 chars Images `start_frame,end_frame`: 1-2 files, 10 MB, formats jpg, png, webp

Options

Model	Option	Default	Allowed values	Applies to
`kling/kling-v3`	`duration`	`5s`	`5s`, `10s`, `15s`	`text_to_video`
`kling/kling-v3`	`frames_to_video_duration` → `duration`	`5s`	`5s`, `10s`	`frames_to_video`
`kling/kling-v3`	`resolution`	`std`	`std`, `pro`	All modes
`kling/kling-v3`	`aspect_ratio`	`16:9`	`16:9`, `9:16`, `1:1`	All modes
`kling/kling-v3`	`audio`	`false`	`false`, `true`	All modes

Pricing

Model	Pricing
`kling/kling-v3`	1 credit per second; option multipliers: `audio`=`{"true":1.5,"false":1}`, `resolution`=`{"pro":6,"std":4}`

Production guidance

Pass mode explicitly.
Use only option values listed above.
Upload media with POST /api/v1/files before calling media-input modes.
Use the exact model key for the variant you want.

Example: text to video

curl https://buble.ai/api/v1/generations \
  -H "Authorization: Bearer $BUBLE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "kling/kling-v3",
    "mode": "text_to_video",
    "prompt": "A cinematic product launch shot with slow camera movement, premium lighting, and realistic motion",
    "duration": "5s",
    "resolution": "std",
    "aspect_ratio": "16:9",
    "audio": "false"
  }'

Example: media-guided video

curl https://buble.ai/api/v1/generations \
  -H "Authorization: Bearer $BUBLE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "kling/kling-v3",
    "mode": "frames_to_video",
    "prompt": "Animate the source into a polished cinematic motion shot with natural camera movement",
    "start_frame": "https://example.com/start.png",
    "duration": "5s",
    "resolution": "std",
    "aspect_ratio": "16:9",
    "audio": "false"
  }'

Kling 3.0 API

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