Make time your superpower

Scheduling API made scalable.seamless.perfect.


Powerful Online Scheduling API

Unmatched feature set. Build and support multiple vendors, customers, or locations through a single API key.

  • White Labeled
  • Scalable Model
  • Calendar Sync
  • Notifications
Explore API Features

OnSched JS

A pre-built JavaScript library of user interface elements for quick integration - customize CSS, and go to market quickly.

  • Booking JS for customer side
  • Setup JS for account management
  • Onboarding JS for user configuration
Explore OnSched JS


The central platform for simple management of booking operations

  • Intuitive account configuration
  • Manage locations, services, and resources - all in one place
  • Admin acess and API keys managment
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Professional Services

From one-time questions to custom feature requests, we are here to support you.


Build on top of your existing infrastructures

Easy integrations are hard to come by - make scheduling your superpower in 3 steps. Use OnSched’s tools and features to integrate scheduling seamlessly into your existing application:



Schedule a demo to get trial API key for testing! Our team will be happy to help you get started.

Schedule Demo


Quickly connect scheduling API to your application with OnSched JS for testing.

API Documentation


Focus on user experience - we will take care of security and maintenance of the scheduling system.

API Changelog


To Build or To Buy?

Website developers often contemplate building vs buying to facilitate scheduling in their products. See why buying is a no-brainer.


Time to Market

Shorten time to market from 18 months to 30 days by using our comprehensive scheduling API. It's even easier with experienced support team.



Millions of appointments booked, tested by hundreds of developers. Security is our priority, giving you one less thing to worry about.


See build versus buy calculations to understand why buying is actually up to 70% cheaper than building your own scheduling solution.


We’re more than just a platform

We’re a partner you can rely on, from product planning to endpoint mapping, and everything in between.
“We immediately engaged with OnSched to reduce the complexity of what we have to build and use your technology to support us.”

Oliver Gower, Head of Product at Well Pharmacy

Read The Case Study
“OnSched is the backbone for an all-new experience that's a big bet for us. Bookings per week per Fitness Court (outdoor gym) is our primary KPI.”

Jonathan Fudem, Product Manager at NFC

Read The Case Study