GET

/v1/schemas/fal/video/fal-ai/kling-video/v3/turbo/pro/image-to-video

Accept:

kind inputactivity videohash 7fe27ceb…extracted Oct 14, 2026version currentsource upstream spec ↗

field	recorded source
schema	Source linked above. upstream-spec Source trace `0aeb57efee7218afaf2dd7241e3ccc990e73cefa59d73841e53c5091da6a7f7c` { "fetchedAt": 1791954060, "extractorVersion": "1", "verifiedAt": null }

Request body

5 properties · 1 required · 1 $defs

property	type	description	constraints
image_url*	string	First-frame reference image. Formats: .jpg/.jpeg/.png; max 50MB; min 300px per side; aspect ratio within 1:2.5 to 2.5:1.
prompt	string	Optional text prompt. For best results keep the prompt under 2500 characters. Mutually exclusive with `multi_prompt`.	length ≤ 3072 · nullable
duration	enum	Video length in seconds.	3 \| 4 \| 5 \| 6 \| 7 \| 8 · +7 more · default: "5"
multi_prompt	KlingV3MultiPromptElement[]	Multi-shot storyboard (1-6 shots). Each shot has its own prompt and duration; the total duration must not exceed 15s. Mutually exclusive with `prompt`.	nullable
enable_safety_checker	boolean	Disabling safety checks requires account authorization; unauthorized requests are always checked.	default: true

Types

1 $defs

KlingV3MultiPromptElementobject

duration	enum	The duration of this shot in seconds	1 \| 2 \| 3 \| 4 \| 5 \| 6 · +9 more · default: "5"
prompt*	string	The prompt for this shot.

Validate a payload

before you spend tokens

shell

$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"fal","endpointId":"fal-ai/kling-video/v3/turbo/pro/image-to-video","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}