When we launched API Nodes earlier this week, users could only login via whitelisted domains because of a restriction from our authentication service. Additionally, it was hard to run ComfyUI head-less and use API nodes.
Today, you can use ComfyUI API Keys as an additional way to login and use API nodes.
Get Started
Update to the latest stable ComfyUI or Desktop version
Make an account at https://platform.comfy.org
Add your API key in ComfyUI via Settings
If you ran into authentication issues before, please give this a try.
More info in our documentation.