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If you can’t find them in the template, your ComfyUI may be outdated.(Desktop version’s update will delay sometime)If nodes are missing when loading a workflow, possible reasons: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
Luma Text to Image Node Documentation
You can refer to the following documentation for detailed parameter settings:Luma Text to Image Node Documentation
Luma Text to Image API Node Documentation
Luma Reference Node Documentation
Luma Reference API Node Documentation
Luma Text to Image API Node Workflow
When theLuma Text to Image
node is used without any image inputs, it functions as a text-to-image workflow. In this guide, we’ve created examples using style_image
and image_luma_ref
to showcase Luma AI’s excellent image processing capabilities.
1. Download Workflow Files
The workflow information is included in the metadata of the image below. Download and drag it into ComfyUI to load the workflow.


2. Follow Steps to Run the Workflow

- Upload the reference image in the
Load image
node - Upload the style reference image in the
Load image (renamed to styleref)
node - (Optional) Modify the prompts in the
Luma Text to Image
node - (Optional) Adjust the
style_image_weight
to control the style reference image’s influence - Click the
Run
button or use the shortcutCtrl(cmd) + Enter
to generate the image - After the API returns results, view the generated image in the
Save Image
node. Images are saved to theComfyUI/output/
directory

3. Additional Notes
- The node allows up to 4 reference images and character references simultaneously.
- To enable multiple image inputs, right-click on the purple “Bypassed” nodes and set their
mode
toalways