how do I create appkey and appsecret

How do I create appkey and appsecret to use in our own application build using php?

The First Step

AppKey and AppSecret are found in the developer portal under the application that you have newly created.

Login to the Developer Portal ( https://developer.ringcentral.com/ ) using your RC Company Credentials and click on the "Application" you should be able to see the appKey and appSecret.

Also, take a look at our RingCentral Getting Started Guide here :
https://devcommunity.ringcentral.com/ringcentraldev/topics/ringcentral-developer-access-faq

The First Step

You don't need create AppKey and AppSecret . It is automatically generated in developer portal under the application you created just like below:

Sign up