The following example Lambda functions return the required CORS headers: Node. Enabling CORS support for proxy integrationsįor a Lambda proxy integration or HTTP proxy integration, your backend is responsible for returning the Access-Control-Allow-Origin,Īccess-Control-Allow-Headers headers, because a proxy integration doesn't return an integration response. Modify the integration response to return theĪccess-Control-Allow-Origin header for all CORS-enabled methods for at least all 200 responses. This doesn’t always work, and sometimes you need to manually API Gateway creates an OPTIONS method and adds theĪccess-Control-Allow-Origin header to your existing method You can use the AWS Management Console to enable CORS. Enabling CORS for non-proxy integrations using the AWS Management Console You must configure your API to sendĪn appropriate response to the preflight request.Īccess-Control-Allow-Headers: 'Content-Type,X-Amz-Date,Authorization,X-Api-Key,X-Amz-Security-Token'Īfter creating the preflight request, you must return the Access-Control-Allow-Origin: '*' orĪccess-Control-Allow-Origin: 'origin' header for all CORS-enabled methods for at least all 200 responses. Request for credentials) from the server before sending the actual request. Protocol requires the browser to send a preflight request to the server and wait for approval (or a Your API's resources receive non-simple requests, you must enable additional CORS support depending on your integration type. Resource needs to include the header Access-Control-Allow-Origin: '*' or Access-Control-Allow-Origin: 'origin'.Īll other cross-origin HTTP requests are non-simple requests. įor simple cross-origin POST method requests, the response from your The request does not contain custom headers.Īny additional requirements that are listed in the Mozilla CORS documentation for simple requests. A browser doesnt allow you to make cross domain requests unless the server explicitly allows it by sending an Access-Control-Allow-Origin header. ![]() The request payload content type is text/plain, ![]() If it is a POST method request, it must include an It is issued against an API resource that allows only GET,
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