Seedance 1.5 Pro Text To Video
Video Generator
Seedance 1.5 Pro Text To Video
POST
Seedance 1.5 Pro Text To Video
Seedance 1.5 pro text-to-video API.
Request Headers
string
required
Supports:
application/jsonstring
required
Bearer authentication format, for example: Bearer {{API Key}}.
Request Body
integer
default:24
Frame rate (frames per second). Only 24 fps is supported.Optional values:
24integer
Seed integer for controlling randomness. Range: [-1, 2^32-1]. -1 means using a random seed. The same seed with the same request produces similar (but not identical) results.Value range: [-1, 4294967295]
string
default:"adaptive"
Aspect ratio of the generated video. ‘adaptive’: For text-to-video, the model intelligently selects the best ratio based on the prompt; for image-to-video, automatically selects based on the uploaded first frame image ratio.Optional values:
16:9, 4:3, 1:1, 3:4, 9:16, 21:9, adaptivestring
required
Text prompt describing the expected video content. Supports both Chinese and English. Recommended to be no more than 500 characters. To generate audio with dialogue, place the speech content in double quotes for better audio generation results.
integer
default:5
Video duration in seconds. Supports specified duration within the range [4, 12]. Note: Duration affects billing.Value range: [4, 12]
boolean
default:false
Whether the generated video includes a watermark. true: with watermark. false: without watermark.
string
default:"720p"
Video resolution. Seedance 1.5 pro supports 480p, 720p and 1080p.Optional values:
480p, 720p, 1080pboolean
default:false
Whether to fix the camera position. true: the platform appends a fixed camera instruction to the prompt (effect not guaranteed). false: camera is not fixed.
string
default:"default"
Service tier for processing the request. ‘default’: Online inference mode with lower RPM and concurrency quotas, suitable for time-sensitive scenarios. ‘flex’: Offline inference mode with higher TPD quotas at 50% of the online mode price, suitable for latency-insensitive scenarios.Optional values:
default, flexboolean
default:true
Whether the generated video includes synchronized audio. true: video includes automatically generated speech, sound effects, and background music based on the prompt and visual content. false: outputs silent video.
integer
default:172800
Task timeout threshold in seconds, calculated from the created_at timestamp. Default: 172800 (48 hours). Range: [3600, 259200]. Tasks exceeding this time will be automatically terminated and marked as ‘expired’.Value range: [3600, 259200]
Response
string
The video generation task ID. Use this ID to query the task result API to check task status and retrieve the generated video URL upon success.
Last modified on April 10, 2026