CORS in FastAPI: Which Setup Works Best?
If you build APIs with FastAPI, you’re going to touch CORS almost immediately. Usually right after your frontend starts throwing blocked by CORS policy in DevTools and everyone suddenly becomes a browser networking expert. FastAPI makes CORS easy enough to turn on, but the hard part is choosing the right setup. There’s a big difference between “make the error go away” and “configure cross-origin access without creating a mess.” Here’s the practical comparison guide I wish more teams used. ...