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OnTime 360 Developer Resources

OnTime provides an unparalleled developer experience for those using commercial courier software. You'll find extensive development tools for both web-based and desktop projects.

OnTime API

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Type: Online documentation

OnTime offers a comprehensive online API, providing access to 500+ properties and 90+ functions. This API can be accessed via REST or SOAP endpoints and works with all major programming environments.

Additional API Resources

Samples available on GitHub (C#, JavaScript, PHP, Python, and Ruby)


OnTime Extension SDK

The OnTime Extension SDK provides a powerful application programming interface (API) that allows a developer to control many of the basic functions of an OnTime account. This makes it possible to control how data is read, created, and updated.

Using this approach, a programmer can easily extend the functionality of the OnTime desktop applications (OnTime Management Suite and OnTime Dispatch). These extensions become part of the OnTime application and can offer deep integration with other software systems.

Additional SDK Resources

Verify and Package Extensions with the OnTime Extension Packager for Visual Studio


Legacy Web Services

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Type: PDF file

Since 2010, an older set of SOAP based XML Web Services were made available with the endpoints orders.asmx and orders_internal.asmx. These web services have been superseded by the REST and SOAP services mentioned above.

We recommend that all new projects make use of the new REST or SOAP services as these legacy web services are now considered deprecated.


OnTime 360 has allowed us growth that would have been otherwise impossible. The ability to pay based on volume, use any cell provider and not have to host locally allowed us to get a powerful software package that would have been otherwise cost prohibitive for a small company. Over the years since we've been able to grow many times over, surpassing all other companies in our market who had been in place much longer. OnTime 360 was one of our key advantages that led to our success and one of the best business decisions I've made to date.

Zach Woody | Dash Delivery, Inc.