The only way to access the API is through HTTPS. The API is protected by our wildcard SSL certificate issued by Amazon.
Download the information about the root CAs here.
You can create an API key by going to https://app.graphenedb.com/account/api-clients -- click on the 'Create new client' button and complete the form.
Authentication is performed via a special header named api_key which must be set to a value provided by the admin web interface.