UltraCart Rest Version 2
This is the most recent UltraCart API and should be used for all new development.
The current API for UltraCart consists of a REST API and Webhooks.
API Reference: https://www.ultracart.com/api/
Creating an API Simple Key
Understanding Auto Order State
Troubleshooting API Errors
Sample Code and Tutorials
The sample code listed below is a collection of scripts that UltraCart developers have provided for merchants and developers. Most samples are contained within the documentation links above, but this is a collection of scripts that didn't fit a particular category in the documentation, so it's listed here. If you cannot find what you need in the official reference (https://www.ultracart.com/api/) or below, please email support and ask for help.
UltraCart REST API