**To change an integration response header to have a static mapping of '*'** Command:: aws apigateway update-integration-response --rest-api-id 1234123412 --resource-id 3gapai --http-method GET --status-code 200 --patch-operations op='replace',path='/responseParameters/method.response.header.Access-Control-Allow-Origin',value='"'"'*'"'"' Output:: { "statusCode": "200", "responseParameters": { "method.response.header.Access-Control-Allow-Origin": "'*'" } } **To remove an integration response header** Command:: aws apigateway update-integration-response --rest-api-id 1234123412 --resource-id 3gapai --http-method GET --status-code 200 --patch-operations op='remove',path='/responseParameters/method.response.header.Access-Control-Allow-Origin'