@bakedjoke said:
ı have a problem with get request
Access to XMLHttpRequest at 'https://api.themoviedb.org/3/movie/550?api_key=THE_KEY/'
from origin 'http://localhost:5173' has been blocked by CORS policy:
Response to preflight request doesn't pass access control check:
No 'Access-Control-Allow-Origin' header is present on the requested resource.
ı get a error like this

CORS Issues
See if this research can help.
https://www.themoviedb.org/talk/search?advanced_search=&query=CORS&with_category=&with_status%5B%5D=closed&with_status%5B%5D=open
In some of the topics the problem was solved.
https://www.themoviedb.org/talk/5f55e3dd713ed40037f090d4
https://www.themoviedb.org/talk/5833110992514162cf03b7bd
https://www.themoviedb.org/talk/5c5dff05925141338cbce2db
https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS/Errors/CORSNotSupportingCredentials

And this
https://www.themoviedb.org/talk/5f621eae93388b003864513c
https://www.themoviedb.org/talk/5eb07271a13533001b72740a

I will replace your API Key with THE_KEY expression.
It is not good to show your Key to all forum users.