A Webhook is a callback to an external server to notify it of events that the external party is interested in. The external party that is interested in receiving the notification will implement an end-point to receive the JSON based notifications as they occur. Since webhooks are an outbound process from UltraCart to the external party they happen quicker and are far more efficient than polling an API.

If you're wondering about the importance of Webhooks, look at a real-world example of their use in the Wordpress plugin. When the plugin is first authorized via OAuth 2.0 authentication, it sets up a webhook with three item events (item_create, item_update, and item_delete) so that all changes to the item information are quickly conveyed to the wordpress instance. After the webhook is created, the plugin makes another API call asking UltraCart to reflow all item_update events. UltraCart in an asynchronous and controlled fashion resends all the existing items from the UltraCart account to the wordpress plugin's webhook endpoint. Two API calls setup and trigger the entire process and no polling is required after that point.

Managing your business

Manage the full life-cycle of your business using our robust departments


One of UltraCart's most powerful features is its robust back office systems. With Departments for Auto Orders, Shipping, Fraud Review, and much more.


Customer Profiles allow your customers to store their information, view past orders, write item reviews, and more.


The UltraCart platform features a variety of robust reports to help you manage your e-commerce business. From complete Sales reports to Item and Customer reports.


Affiliate marketing is one of the most powerful and least expensive ways to promote your brand. With the affiliate doing their own marketing, you'll likely see an increase in sales, as well as awareness of your brand.


Download sales information into QuickBooks automatically with our free UltraBooks software. UltraBooks allows UltraCart merchants to import data directly to QuickBooks™ software.



Having someone else ship your products can be one of the best decisions that you will ever make. It will allow your company to focus on other areas such as product development and marketing.

Advanced Integrations

UltraCart has hundreds of advanced features available, but even we can't predict every need. If you require additional functionality not integrated directly into the UltraCart E-Commerce Platform, you can use our available advanced integration interfaces to offer complex and robust services to your website visitors.

Activation Codes

Selling software that requires a custom registration code? Or need to provide a user name & password in real time? Check out our Activation API to see how you can utlize UltraCart in these scenarios. More about Activation Codes


Webhooks are asynchronous outbound notifications of events to an external server. The Webhook resource allows for programmatic configuration of Webhooks on an UltraCart account.More about webhooks

Electronic Data Interchange (EDI)

An inter-company, application-to-application communication of data in standard format for business transactions, Electronic Data Interchange (EDI) is a set of standards for structuring information that is to be electronically exchanged between and within businesses, organizations, government entities and other groups. The standards describe structures that emulate documents, for example purchase orders to automate purchasing. The term EDI is also used to refer to the implementation and operation of systems and processes for creating, transmitting, and receiving EDI documents. More about EDI

Application Programming Interface (API)

UltraCart provides advanced merchants sophisticated and robust REST-style API for manipulating an UltraCart account. Common uses for the APIs include integration with a custom legacy applications, real-time inventory and product management, bulk import and export of customer data, ad more.

Currently implemented are API functions for systems such as Item Management, Catalog Management, Inventory, and Order Processing. If you require an API that is not currently implemented, please contact our Professional Services department for a development estimate. More about the UltraCart API


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