How to Enable Cors in Angularjs

How to enable CORS in AngularJs

You don't. The server you are making the request to has to implement CORS to grant JavaScript from your website access. Your JavaScript can't grant itself permission to access another website.

How to enable CORS in AngularJs?

CORS should be enabled either in your web server or in the framework you are using for the backend (Larvel, Symfony, Spring Boot).

Since my answer was downvoted, I will clarify.
In his particular situation he can solve the issue by using for example Express JS or http node proxy.
This way instead of having https://api.zoom.us/v2/webinars/ he will use the hostname where the app is running.
This is the solution when you do not have access to the webserver configuration or to the backend solution whose endpoints you want to call.

Enable CORS for MVC and AngularJS

Add this to your web.config file

<system.webServer>
  <httpProtocol>
    <customHeaders>
      <add name="Access-Control-Allow-Origin" value="*" />
      <add name="Access-Control-Allow-Headers" value="Content-Type" />
      <add name="Access-Control-Allow-Methods" value="GET, POST, PUT, DELETE, OPTIONS" />
    </customHeaders>
  </httpProtocol>
</system.webServer>

How to enable cors request with angular.js-resource

URL for $resource accepts using colon for parameters. Therefore when using port in url you need to escape the colon for port. This is explained in $resource docs

AngularJS $http, CORS and http authentication

No you don't have to put credentials, You have to put headers on client side eg:

 $http({
        url: 'url of service',
        method: "POST",
        data: {test :  name },
        withCredentials: true,
        headers: {
                    'Content-Type': 'application/json; charset=utf-8'
        }
    });

And and on server side you have to put headers to this is example for nodejs:

/**
 * On all requests add headers
 */
app.all('*', function(req, res,next) {

    /**
     * Response settings
     * @type {Object}
     */
    var responseSettings = {
        "AccessControlAllowOrigin": req.headers.origin,
        "AccessControlAllowHeaders": "Content-Type,X-CSRF-Token, X-Requested-With, Accept, Accept-Version, Content-Length, Content-MD5,  Date, X-Api-Version, X-File-Name",
        "AccessControlAllowMethods": "POST, GET, PUT, DELETE, OPTIONS",
        "AccessControlAllowCredentials": true
    };

    /**
     * Headers
     */
    res.header("Access-Control-Allow-Credentials", responseSettings.AccessControlAllowCredentials);
    res.header("Access-Control-Allow-Origin",  responseSettings.AccessControlAllowOrigin);
    res.header("Access-Control-Allow-Headers", (req.headers['access-control-request-headers']) ? req.headers['access-control-request-headers'] : "x-requested-with");
    res.header("Access-Control-Allow-Methods", (req.headers['access-control-request-method']) ? req.headers['access-control-request-method'] : responseSettings.AccessControlAllowMethods);

    if ('OPTIONS' == req.method) {
        res.send(200);
    }
    else {
        next();
    }

});

AngularJS No 'Access-Control-Allow-Origin' header

This means that your http://thirdparty.url.com/
Does not accept requests from external sources that is/are not from http://thirdparty.url.com/, so you have to enable it from your thirdparty.url.com

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