AWS API Gateway No 'Access-Control-Allow-Origin' header is present

Question

I\'m stuck on an issue with API gateway and I\'ve gone through all the other SO answers on this, AWS forums and have been through their docs but still no joy.

I am t

Answer 1

Digitalkapitaen's answer is correct; here is the code to save someone the trouble of looking up how to set an HTTP response header in Lambda:

exports.handler = function(event, context, callback) {
    callback(null, {
        "statusCode": 200,
        "headers": { 
            "Access-Control-Allow-Origin": "*" 
        }
    });
};