seedinteger
Random seed [0, 2147483647].
sizeEnumDefault: "1280*720"
Output resolution ("width\*height"). Supported tiers:
- 480P: 832\*480 (16:9), 480\*832 (9:16), 624\*624 (1:1)
- 720P: 1280\*720 (16:9), 720\*1280 (9:16), 960\*960 (1:1), 1088\*832 (4:3), 832\*1088 (3:4)
- 1080P: 1920\*1080 (16:9), 1080\*1920 (9:16), 1440\*1440 (1:1), 1632\*1248 (4:3), 1248\*1632 (3:4)
Possible values: 832*480, 480*832, 624*624, 1280*720, 720*1280, 960*960, 1088*832, 832*1088, 1920*1080, 1080*1920, 1440*1440, 1632*1248, 1248*1632
audiobooleanDefault: true
Enable automatic audio generation. Set to false to force a silent output.
promptstring* required
Text description for the desired video content (max 2000 characters).
durationEnum
Video duration in seconds. Supported values 5, 10, or 15.
Possible values: 5, 10, 15
audio_urlstring
Custom audio file URL (wav/mp3, 3-30s, ≤15MB). Overrides the audio flag.
multi_shotsEnumDefault: "single"
Specifies the shot type for video generation.
Only takes effect when prompt_extend is enabled.
- single: Default value, outputs single-shot video
- multi: Outputs multi-shot video
Possible values: single, multi
prompt_extendbooleanDefault: true
Enable intelligent prompt rewriting (slightly longer latency, better detail).
safety_filterbooleanDefault: true
Enable content safety filter. Defaults to true. Set to false to disable content safety inspection.
negative_promptstring
Negative prompt describing unwanted content (max 500 characters).