Access to the APIs is available on the Business and Enterprise plans. If you do not have access, and are interested in upgrading, please contact sales@cruxsystems.com for details. This section of our Help Center will help you navigate all things related to our API, from setup to testing and what you can expect communication to look like between your system and ours. If you're not finding the answers you need here, please let us know at support@cruxsystems.com.