CORS
Explore the importance of Cross-Origin Resource Sharing (CORS) in AWS API Gateway and learn how to configure it properly. Understand how the OPTIONS method and mock integrations work together to set required headers for browser security, ensuring your API is accessible from authorized domains.
We'll cover the following...
We'll cover the following...
Cross-account resource sharing
One of the most frustrating recurring errors when using the API Gateway is:
Blocked by CORS policy. No Access-Control-Allow-Origin header is present on the requested resource.
Before we try to fix this, let’s try to understand CORS and why it’s required.
Cross-Origin ...