seedance-2.0-global-fast/multimodal-video

POST

/openapi/v2/bytedance/seedance-2.0-global-fast/multimodal-video

Seedance 2.0 Fast Multimodal Video, optimized for speed and cost efficiency. Supports multimodal reference, video editing, and extension with flexible multi-modal inputs. Support the @-reference system for precise control over each asset. Offers video editing, extension, and multimodal reference generation with faster inference than the standard version. Please note: Generated video files are retained in the cloud for only 24 hours, please download and transfer them promptly upon task completion.

Request

Authorization

Header Params

Body Params application/jsonRequired

Example

{
    "prompt": "Replace the person in @Video 1 with the person in @Image 1",
    "resolution": "720p",
    "duration": "5",
    "imageUrls": [
        "https://www.runninghub.cn/view?filename=09f46990bd8fa1029a1d01ca33dad9f66db65dec5e3905a9dee046e48f474fd6.png&type=input&subfolder=&Rh-Comfy-Auth=eyJ1c2VySWQiOiIzZjY1MTNlNWEwNjY1N2I4OGYyNjU5NTEzYmU3ZDM0YyIsInNpZ25FeHBpcmUiOjE3NzY3MzkzNjI4MjcsInRzIjoxNzc2MTM0NTYyODI3LCJzaWduIjoiMGZiYzFhNjI2MWVkMzBmZjQ2MzRmMWQzNGRjMGJhODMifQ==&Rh-Identify=3f6513e5a06657b88f2659513be7d34c&rand=0.22026562666325256"
    ],
    "videoUrls": [
        "https://www.runninghub.cn/view?filename=e39341264758755242b1fa2d951cd238f73da89366247934d531bfc1ee835501.mp4&type=input&subfolder=&Rh-Comfy-Auth=eyJ1c2VySWQiOiIzZjY1MTNlNWEwNjY1N2I4OGYyNjU5NTEzYmU3ZDM0YyIsInNpZ25FeHBpcmUiOjE3NzY3MzkzNjI4MjcsInRzIjoxNzc2MTM0NTYyODI3LCJzaWduIjoiMGZiYzFhNjI2MWVkMzBmZjQ2MzRmMWQzNGRjMGJhODMifQ==&Rh-Identify=3f6513e5a06657b88f2659513be7d34c&rand=0.7074685829365412"
    ],
    "generateAudio": true,
    "ratio": "adaptive",
    "realPersonMode": true,
    "conversionSlots": [
        "all"
    ],
    "returnLastFrame": 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/bytedance/seedance-2.0-global-fast/multimodal-video' \
--header 'Authorization: Bearer [Your API KEY]' \
--header 'Content-Type: application/json' \
--data-raw '{
    "prompt": "Replace the person in @Video 1 with the person in @Image 1",
    "resolution": "720p",
    "duration": "5",
    "imageUrls": [
        "https://www.runninghub.cn/view?filename=09f46990bd8fa1029a1d01ca33dad9f66db65dec5e3905a9dee046e48f474fd6.png&type=input&subfolder=&Rh-Comfy-Auth=eyJ1c2VySWQiOiIzZjY1MTNlNWEwNjY1N2I4OGYyNjU5NTEzYmU3ZDM0YyIsInNpZ25FeHBpcmUiOjE3NzY3MzkzNjI4MjcsInRzIjoxNzc2MTM0NTYyODI3LCJzaWduIjoiMGZiYzFhNjI2MWVkMzBmZjQ2MzRmMWQzNGRjMGJhODMifQ==&Rh-Identify=3f6513e5a06657b88f2659513be7d34c&rand=0.22026562666325256"
    ],
    "videoUrls": [
        "https://www.runninghub.cn/view?filename=e39341264758755242b1fa2d951cd238f73da89366247934d531bfc1ee835501.mp4&type=input&subfolder=&Rh-Comfy-Auth=eyJ1c2VySWQiOiIzZjY1MTNlNWEwNjY1N2I4OGYyNjU5NTEzYmU3ZDM0YyIsInNpZ25FeHBpcmUiOjE3NzY3MzkzNjI4MjcsInRzIjoxNzc2MTM0NTYyODI3LCJzaWduIjoiMGZiYzFhNjI2MWVkMzBmZjQ2MzRmMWQzNGRjMGJhODMifQ==&Rh-Identify=3f6513e5a06657b88f2659513be7d34c&rand=0.7074685829365412"
    ],
    "generateAudio": true,
    "ratio": "adaptive",
    "realPersonMode": true,
    "conversionSlots": [
        "all"
    ],
    "returnLastFrame": 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 2026-04-23 02:17:48

seedance-2.0-global/multimodal-video

happyhorse-1.0/reference-to-video