Zettel APIs (Application Programming Interfaces) power its platform for communications. Behind these APIs is a software layer connecting and optimizing communications networks.
You can use the Zettel API in test mode, which doesn't affect your live data or interact with the main networks. The URL you use to send the request determines whether the request is live mode or test mode.
Feeling like an eager beaver? Jump in to the quick start docs and get making your first request:
Dive a little deeper and start exploring our API reference to get an idea of everything that's possible with the API: