Welcome to the Make community!
To do this, you can try using the Userapi.AI - API layer to Midjourney “Imagine” module —
Asks Midjourney to create an image by a specified prompt
For more information, see https://www.make.com/en/integrations/userapi-ai, and https://www.make.com/en/help/app/userapi-ai in the help centre.
For more information, do view these similar questions previously asked by other community members, which may answer your question:
Hope this helps! Let me know if there are any further questions or issues.
— @samliew
P.S.: Investing some effort into the Make Academy will save you lots of time and frustration using Make.