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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 These web services have been superseded by the REST and SOAP services mentioned above.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.


When we were doing 300 stops a day and I was using QuickBooks for billing I would spend about 50 to 60 hours a month on billing. Now we’re doing over 450 stops a day but thanks to OnTime (which integrates with Quickbooks) last month I did all the billing in about 20 hours. I cannot express how happy that makes me.

Zach Woody | Dash Delivery, Inc.