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ByteDanceByteDance OmniHuman 2.0Image → Video

Animate one or more subjects with realistic body movement driven by audio.

Image InputAudio InputMulti-Subject

Overview

Alongside the unified model APIs, we expose compatibility APIs that take each vendor's original parameters exactly as the vendor defines them — nothing renamed, nothing reshaped on the way through.

That makes them the shortest path onto Picsart if you already work with the vendor directly: the request bodies you've already written keep working as they are. You keep their parameter names and defaults, and you get the vendor's full parameter set rather than the subset that is shared across every model.

The cost is that a request is written for one vendor — switching models later means rewriting it, and results come back in the vendor's own shape. When you'd rather write once and change models freely, use the unified API.

Make a request

Call the workflow with ai.apis.run() in TypeScript, or hit /workflows/{workflow}/execute directly — params is passed through untouched either way.

These endpoints are addressed by workflow name rather than model id: the one in this model's header, since one model runs as one workflow. Authentication is unchanged — your Picsart API key as a bearer token (see Authentication).

ts
import { createClient, ApiRunMode } from '@picsart/ai-sdk';

const ai = createClient({
  apiKey: process.env.PICSART_API_KEY,
  apiUrl: 'https://api.picsart.com',
});

// Calls the 'bytedance/omnihuman/v2.0' workflow directly — params are sent as-is.
const { result, usage } = await ai.apis.run('bytedance/omnihuman/v2.0', {
  image_urls: [
    "your value here"
  ],
  audio_url: "https://cdn.example.com/input.mp3",
  prompt: "A serene mountain lake at golden hour, ultra detailed"
}, {
  mode: ApiRunMode.SYNC,
});

console.log(result); // workflow-specific output
console.log(usage?.credits); // amount charged, in $

Async (submit & poll)

This model can run longer than the sync limit (~20s). In TypeScript, ai.apis.run(…, { mode: ApiRunMode.ASYNC }) polls for you; over HTTP, submit and poll yourself.

ts
import { createClient, ApiRunMode } from '@picsart/ai-sdk';

const ai = createClient({
  apiKey: process.env.PICSART_API_KEY,
  apiUrl: 'https://api.picsart.com',
});

// mode: ASYNC submits the job and polls under the hood — you just await.
const { result } = await ai.apis.run('bytedance/omnihuman/v2.0', {
  image_urls: [
    "your value here"
  ],
  audio_url: "https://cdn.example.com/input.mp3",
  prompt: "A serene mountain lake at golden hour, ultra detailed"
}, {
  mode: ApiRunMode.ASYNC,
});

console.log(result);

Parameters

5 parameters, sent inside params. These are the vendor's own names, so they line up one-for-one with the vendor's documentation. Required ones must be supplied; the rest fall back to their defaults.

ParameterTypeRequiredDefaultDetails
image_urls
Publicly accessible HTTP(S) URL(s) of the source image(s). The subject can be a person, a pet or an animated character; the sharper the image, the better the result. Vendor limits per image: JPEG/PNG/WEBP/BMP/TIFF/GIF/HEIC/HEIF, under 30 MB, width/height ratio in [0.4, 2.5] and each side in [300, 6000] px.
string[]yes——
audio_url
Publicly accessible HTTP(S) URL of the driving audio. Expression, lip-sync and motion are derived from it, so no prompt is needed for emotion. WAV or MP3, under 15 MB, with a duration between 4 and 300 seconds; its duration defines the output video length and the billed amount.
stringyes——
prompt
Optional prompt steering the scene, movements and camera work — it does NOT control lip-sync (the audio does). Supported languages: Chinese, English, Japanese, Korean, Mexican Spanish, Indonesian.
stringno——
enable_watermark
Whether to burn the vendor watermark into the output video. Omitted leaves the vendor default (enabled); pass false for an un-watermarked result.
booleanno——
options
Options controlling safety checks and drive integration
objectno——
└safety_checks
Safety check settings
objectno——
└enabled
Whether to run content moderation. Defaults to true.
booleanno——
└drive
Save result to Picsart Drive
objectno——
└name
File name in Picsart Drive
stringyes——
└attributes
Custom attributes to attach to the file
objectno——
└folder
Target folder in Picsart Drive
objectno——
└inputs_transformation
Input transformation settings
objectno——
└downscale_oversized_images
Whether to downscale oversized input images. Defaults to false.
booleanno——

Response

Over HTTP the output arrives inside a status envelope, at response.result. ai.apis.run() unwraps that envelope for you and resolves to { result, usage } instead. Either way the result itself is the vendor's own shape.

json
{
  "result": {
    "url": "https://cdn.picsart.com/…/result.mp4",
    "duration": 0,
    "mimeType": "video/mp4",
    "driveFile": {}
  }
}