- Text-to-image
- Reference-to-image
To use the API nodes, you need to ensure that you are logged in properly and using a permitted network environment. Please refer to the API Nodes Overview section of the documentation to understand the specific requirements for using the API nodes.
Make sure your ComfyUI is updated.Workflows in this guide can be found in the Workflow Templates.
If you can’t find them in the template, your ComfyUI may be outdated.(Desktop version’s update will delay sometime)If nodes are missing when loading a workflow, possible reasons:
- You are not using the latest ComfyUI version(Nightly version)
- You are using Stable or Desktop version (Latest changes may not be included)
- Some nodes failed to import at startup
Runway Image Text-to-Image Workflow
1. Workflow File Download
The image below contains workflow information in itsmetadata
. Please download and drag it into ComfyUI to load the corresponding workflow.

2. Complete the Workflow Execution Step by Step

- In the
Runway Text to Image
node, input your prompt in theprompt
field - (Optional) Adjust the
ratio
setting to set different output aspect ratios - Click the
Run
button, or use the shortcutCtrl(cmd) + Enter
to execute image generation. - After waiting for the API to return results, you can view the generated image in the
Save Image
node (right-click to save). The corresponding image will also be saved to theComfyUI/output/
directory.
Runway Image Reference-to-Image Workflow
1. Workflow and Input Image Download
The image below contains workflow information in itsmetadata
. Please download and drag it into ComfyUI to load the corresponding workflow.


2. Complete the Workflow Execution Step by Step

- In the
Load Image
node, load the provided input image - In the
Runway Text to Image
node, input your prompt in theprompt
field and adjust dimensions - Click the
Run
button, or use the shortcutCtrl(cmd) + Enter
to execute image generation. - After waiting for the API to return results, you can view the generated image in the
Save Image
node (right-click to save). The corresponding image will also be saved to theComfyUI/output/
directory.