This block + 6,000 more — yours with Pro

Error Cors

32/100
Docs

CORS Policy Error

Cross-Origin Resource Sharing blocked this request

ERROR DETAILS
Access to fetch at 'https://api.example.com/data'
from origin 'https://app.example.com' has been
blocked by CORS policy: No 'Access-Control-
Allow-Origin' header is present on the
requested resource.
FIX SUGGESTIONS

Add CORS Headers

Configure your server to include Access-Control-Allow-Origin header with your domain

Use Server Proxy

Route requests through your backend to avoid browser CORS restrictions

Development Workaround

Use a CORS proxy like cors-anywhere or browser extensions during local development

Request blocked by browser security policy