
The 'Vidu Q1: Start End to Video' workflow is designed to facilitate the creation of smooth video transitions between specified start and end frames. At its core, this workflow employs the Vidu Q1 model to ensure natural motion interpolation and consistent visual quality throughout the video. The workflow integrates several key nodes, including the ViduStartEndToVideoNode, which is responsible for generating the interpolated frames that create the seamless transition effect. Additionally, the LoadImage node is used to import the initial and final frames, while the SaveVideo node compiles the interpolated frames into a cohesive video file. This workflow is particularly useful for video creators and editors who need to generate fluid transitions without manual frame-by-frame adjustments, ensuring a professional finish with minimal effort.
API
Use this workflow from code
Every Comfy workflow is a JSON graph. The payload below is this workflow, exactly as ComfyUI runs it — fetch it from the URL, keep it in version control, or load it in ComfyUI and run it node by node.
GET https://comfy.org/workflows/download/70f751a09a5f.jsonFetching workflow JSON…
Run it from Python or TypeScript with the Comfy SDK. The same code targets Comfy Cloud or a ComfyUI you host yourself — only the base URL changes.
# Install (beta)
pip install comfy-sdk # Python
npm i @comfyorg/sdk # TypeScript
# Run "Vidu Q1: Start End to Video" (Python)
from comfy_sdk import Comfy
client = Comfy(api_key="comfyui-...")
# This workflow, exported in API format (see note below)
wf = client.workflows.from_file("api_vidu_start_end_to_video_api.json")
asset = client.assets.from_file("input.png")
wf.set_input("28", "image", asset) # LoadImage
job = client.run(wf)
for output in job.get_outputs("21"): # SaveVideo
output.to_file(output.name)The SDK takes a workflow in API format: open this workflow in ComfyUI and use File → Export Workflow (API). API access requires a Comfy Cloud plan with an API key. SDK docs · Get an API key
FAQ














