Seedance 2.5 API

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Available endpoints

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Quick Start

curl --request POST \
  --url https://api.higgsfield.ai/bytedance/seedance-2.5/text-to-video \
  --header "Authorization: Key ${HF_API_KEY_ID}:${HF_API_KEY_SECRET}" \
  --header "Content-Type: application/json" \
  --data '{
    "prompt": "A cinematic tracking shot of a cyclist along a sunlit coastal road",
    "duration": 5,
    "resolution": "720p",
    "aspect_ratio": "16:9"
  }'

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Workflow parameters

• Use 480p or 720p resolution.
• Use public media URLs; asset:// references are not supported by these endpoints.
• Set an explicit aspect_ratio, such as 16:9, for reference-to-video requests.
• Image-to-video uses the input image’s framing. Video editing and extension use the source video’s framing.
• Omit duration for video editing; the source clip determines its length. Set an explicit duration for generation and extension.
• The endpoint selects the workflow; a separate mode parameter is not needed.