Welcome to Apptoto's API V1.

V1 of our API allows you to

Create/manage events on calendars in Apptoto.
Create/manage contacts in address books in Apptoto.
Manage "opt-in" and "opt-out" lists for messaging in Apptoto.
Routinely upload CSV, XML, or ICS Imports to Apptoto.

Authenticate via HTTP Basic for your own scripts, or OAuth 2.0 for third-party integrations acting on behalf of an Apptoto user. A user's account already needs to be created and configured through the Apptoto web portal.

All endpoints are HTTPS / JSON based.