Wan2TextToVideoApi - ComfyUI Built-in Node Documentation

This node generates a video from a text description using the Wan 2.7 model. It sends your request to an external API, which processes the prompt and returns a video file. You can optionally provide an audio clip to influence the video’s motion and timing.

Inputs

Parameter	Description	Data Type	Required	Range
`model`	The specific model to use for video generation.	COMBO	Yes	`"wan2.7-t2v"`
`model.prompt`	A description of the elements and visual features you want in the video. Supports English and Chinese.	STRING	Yes	-
`model.negative_prompt`	A description of elements or features you want to avoid in the generated video.	STRING	No	-
`model.resolution`	The resolution of the output video.	COMBO	Yes	`"720P"` `"1080P"`
`model.ratio`	The aspect ratio of the output video.	COMBO	Yes	`"16:9"` `"9:16"` `"1:1"` `"4:3"` `"3:4"`
`model.duration`	The length of the video in seconds (default: 5).	INT	Yes	2 to 15
`audio`	An audio file to drive video generation, such as for lip-syncing or motion matching the beat. If not provided, the model will generate matching background music or sound effects. The audio duration must be between 1.5 and 60 seconds.	AUDIO	No	-
`seed`	A number used to control the randomness of the generation, ensuring reproducible results (default: 0).	INT	No	0 to 2147483647
`prompt_extend`	When enabled, the prompt will be enhanced with AI assistance (default: True).	BOOLEAN	No	-
`watermark`	When enabled, an AI-generated watermark will be added to the result (default: False).	BOOLEAN	No	-

Note: The audio parameter is optional. If provided, its duration must be between 1.5 and 60 seconds. If omitted, the model will automatically generate audio.

Outputs

Output Name	Description	Data Type
`output`	The generated video file.	VIDEO

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Inputs

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