We allow anyone to leverage our XMPP and web services APIs to build powerful, productivity-boosting applications and integrations. Learn more.

OnSIP works together with business services and software you use everyday. Some of our most popular integrations include our Chrome and Firefox click-to-call browser plugins.

OnSIP InstaPhone- A softphone that works within a browser tab, requires no downloads or plug-ins, and comes free with an OnSIP account. All you need to get started is your SIP address and web password. Use it as your go-to software phone, or as a quick and easy way to test drive OnSIP. Learn more.

Highrise Plugin - Automatically log your calls in Highrise each time you call or receive a call from one of your Highrise contacts. The plugin records the time of the call, and allows you to add notes. Learn more.

Zendesk & Phonetag Integration - Automatically turn your voicemail messages into Zendesk support tickets. Learn more.

VoIP Readiness Test - This test will let you know if your network is ready for business VoIP. Learn more.

Live Call Map - We built this integration with Google Maps to help you visualize OnSIP. This shows OnSIP calls across the USA as they're made in real time. Learn more.

Want to suggest an integration? Tell us about it here.