seedance-v1.5-pro-image-to-video-fast

POST

/openapi/v2/seedance-v1.5-pro/image-to-video-fast

Seedance V1.5 Pro Fast is a high-speed Image-to-Video engine by ByteDance, optimized for rapid iteration and cinematic polish. By anchoring visuals to a first-frame image, it preserves subject identity, lighting, and composition while synthesizing coherent motion and precise camera behaviors like orbits or dollies. Featuring optional audio generation and seeded repeatability, this model delivers a professional, live-action aesthetic, making it a definitive tool for creators requiring quick turnarounds for commercial shorts and high-fidelity social media content.

Request

Authorization

Header Params

Body Params application/jsonRequired

Example

{
    "prompt": "Based on the reference image, the character remains perfectly consistent in identity and clothing. The camera performs a slow, cinematic orbit shot around the subject. The character slowly blinks and offers a subtle, confident smile while their hair sways naturally in a light breeze. Audio: Gentle wind whistling, distant city ambience, and a soft, rhythmic mechanical hum.",
    "firstImageUrl": "https://www.runninghub.cn/view?filename=73215ebc0d48f7b231a39ed6b027dae5bc1dd0d454052a9d1d7a7722cfeea98d.jpg&type=input&subfolder=&Rh-Comfy-Auth=eyJ1c2VySWQiOiIzZjY1MTNlNWEwNjY1N2I4OGYyNjU5NTEzYmU3ZDM0YyIsInNpZ25FeHBpcmUiOjE3Njk2ODEwNzg4ODQsInRzIjoxNzY5MDc2Mjc4ODg0LCJzaWduIjoiNTRhMjExMzk5NGIyOGI5M2ExMGRiYzQ2NjNiMmFjYzgifQ==&Rh-Identify=3f6513e5a06657b88f2659513be7d34c&rand=0.6391434320068944",
    "aspectRatio": "adaptive",
    "duration": "5",
    "resolution": "720p",
    "generateAudio": "true",
    "cameraFixed": "false"
}

Request Code Samples

Shell

JavaScript

Java

Swift

PHP

Python

HTTP

Objective-C

Ruby

OCaml

Dart

curl --location --request POST 'https://www.runninghub.ai/openapi/v2/seedance-v1.5-pro/image-to-video-fast' \
--header 'Authorization: Bearer [Your API KEY]' \
--header 'Content-Type: application/json' \
--data-raw '{
    "prompt": "Based on the reference image, the character remains perfectly consistent in identity and clothing. The camera performs a slow, cinematic orbit shot around the subject. The character slowly blinks and offers a subtle, confident smile while their hair sways naturally in a light breeze. Audio: Gentle wind whistling, distant city ambience, and a soft, rhythmic mechanical hum.",
    "firstImageUrl": "https://www.runninghub.cn/view?filename=73215ebc0d48f7b231a39ed6b027dae5bc1dd0d454052a9d1d7a7722cfeea98d.jpg&type=input&subfolder=&Rh-Comfy-Auth=eyJ1c2VySWQiOiIzZjY1MTNlNWEwNjY1N2I4OGYyNjU5NTEzYmU3ZDM0YyIsInNpZ25FeHBpcmUiOjE3Njk2ODEwNzg4ODQsInRzIjoxNzY5MDc2Mjc4ODg0LCJzaWduIjoiNTRhMjExMzk5NGIyOGI5M2ExMGRiYzQ2NjNiMmFjYzgifQ==&Rh-Identify=3f6513e5a06657b88f2659513be7d34c&rand=0.6391434320068944",
    "aspectRatio": "adaptive",
    "duration": "5",
    "resolution": "720p",
    "generateAudio": "true",
    "cameraFixed": "false"
}'

Responses

🟢200成功

application/json

Task result query endpoint: /openapi/v2/query

Body

Examples

Submit response exampleTask success response example

{
    "taskId": "2013508786110730241",
    "status": "RUNNING",
    "errorCode": "",
    "errorMessage": "",
    "results": null,
    "clientId": "f828b9af25161bc066ef152db7b29ccc",
    "promptTips": "{\"result\": true, \"error\": null, \"outputs_to_execute\": [\"4\"], \"node_errors\": {}}"
}

Modified at 2026-03-10 12:42:16

seedance-2.0-fast/image-to-video

seedance-v1.5-pro-image-to-video