Fonoa API ensures to have security in place in order to provide services to the developer who is authenticated to do so. We are rapidly working to enhance the API Authentication process and will be moving to OAuth 2.0 very soon.
The current version of Fonoa API supports API Subscription Key. The API key can be obtained once the client is onboarded for using Fonoa API by contacting our technical support team.
Please refer to Fonoa Authentication under the Details & Concepts section for more details.