GET
/v1/schemas/fal/video/fal-ai/kling-video/v3/standard/text-to-video
Accept:
| field | recorded source |
|---|---|
| schema | Source linked above. upstream-spec Source trace3fedcd3f9ed67704d33710a4eb9c21729c5c6077d9b2fabb04a9b353692beac4{
"fetchedAt": 1791954060,
"extractorVersion": "1",
"verifiedAt": null
} |
Request body
9 properties · 0 required · 1 $defs| property | type | description | constraints |
|---|---|---|---|
| cfg_scale | number | The CFG (Classifier Free Guidance) scale is a measure of how close you want the model to stick to your prompt. | 0 ≤ n ≤ 1 · default: 0.5 |
| duration | enum | The duration of the generated video in seconds | 3 | 4 | 5 | 6 | 7 | 8 · +7 more · default: "5" |
| aspect_ratio | enum | The aspect ratio of the generated video frame | 16:9 | 9:16 | 1:1 · default: "16:9" |
| shot_type | enum | The type of multi-shot video generation. 'intelligent' lets the model automatically determine shot structure. | customize | intelligent · default: "customize" |
| prompt | string | Text prompt for video generation. Either prompt or multi_prompt must be provided, but not both. | length ≤ 2500 · nullable |
| generate_audio | boolean | Whether to generate native audio for the video. Supports Chinese and English voice output. Other languages are automatically translated to English. For English speech, use lowercase letters; for acronyms or proper nouns, use uppercase. | default: true |
| negative_prompt | string | length ≤ 2500 · default: "blur, distort, and low quality" | |
| multi_prompt | KlingV3MultiPromptElement[] | List of prompts for multi-shot video generation. If provided, overrides the single prompt and divides the video into multiple shots with specified prompts and durations. | nullable |
| enable_safety_checker | boolean | Disabling safety checks requires account authorization; unauthorized requests are always checked. | default: true |
Types
1 $defsKlingV3MultiPromptElementobject
| 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 tokensshell
$ curl -X POST https://modelschemas.com/v1/validate \
-d '{"provider":"fal","endpointId":"fal-ai/kling-video/v3/standard/text-to-video","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}