Dev tools · alternatives · 2026

24 alternatives to Hapio

The booking and scheduling API

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Hapio launched in 2022; newer entries below may have overtaken it.

1. 1
   Cal.com Platform▲1,601

   Build your pixel-perfect booking experience with Atoms

   2024 · cal.com · its alternatives →

2. 2
   Booking.js by Timekit▲535

   Make a beautiful embeddable booking widget in minutes.

   2015 · timekit.io · its alternatives →

3. 3
   B12 Bookings▲196

   Bookings scheduling software that integrates with your site

   2019 · b12.io · its alternatives →

4. 4
   zcal▲481

   The free Calendly alternative that makes scheduling personal

   2021 · zcal.co · its alternatives →

5. 5
   Lodago▲386

   Close deals by removing all friction when booking meetings

   2022 · lodago.com · its alternatives →

6. 6
   Zencal▲346

   Scheduling for paid meetings and teamwork

   2023 · zencal.io · its alternatives →

7. 7
   zcal▲259

   Beautiful Typeform-inspired scheduling pages

   2025 · zcal.co · its alternatives →

8. 8
   neatCal▲171

   User friendly scheduling applications

   2019 · neatcal.com · its alternatives →

9. 9
   LeadMonk▲70

   Smart and versatile online appointment scheduling software

   2022 · leadmonk.io · its alternatives →

10. 10
    Impala Hotel Booking API▲223

    Sell rooms from any app, and earn up to 15% commission

    2021 · impala.travel · its alternatives →

11. 11
    Leadmonk▲114

    Scheduling software for the mobile-first business world

    2023 · leadmonk.io · its alternatives →

12. 12
    kiwilaunch▲162

    Simplest online booking & scheduling software

    2024 · kiwilaunch.com · its alternatives →

13. 13
    DaySchedule▲80

    Appointment scheduling software

    2021 · dayschedule.com · its alternatives →

14. 14
    Beyond Pricing▲143

    Hey HN, We built a mobile app for short-term rental hosts and property managers to manage dynamic pricing, bookings, and calendars on the go. Our team has worked on revenue management for hospitality since 2013, and we’ve seen that many hosts (ourselves included) are rarely behind a desk—they’re out in the field, meeting owners, handling check-ins, or updating prices from their phones at odd hours. We wanted to fix a longstanding pain point: revenue management software for our space has always been web-first and clunky on mobile. This was frustrating, as over 60% of internet traffic is now…

    2014 · beyondpricing.com · its alternatives →

15. 15
    Bookingbird.io▲128

    The adaptable booking OS for services, resources & events.

    Nov 2025 · bookingbird.io · its alternatives →

16. 16
    Intuitive nutrition information▲89

    A self-serve API for flight prices and booking links. Build flight search apps, price trackers, and AI travel tools.

    2015 · spe.lt · its alternatives →

17. 17
    Space911▲71

    Activities planning software & APIs for developers & brands

    2021 · play.google.com · its alternatives →

18. 18
    ScheduleLeave▲72

    Leave booking and tracking platform

    2019 · scheduleleave.com · its alternatives →

19. 19
    Datelist▲71

    A widget to allow your customers to schedule appointments

    2021 · datelist.acsft.com · its alternatives →

20. 20
    InScheduler▲64

    A booking widget that makes scheduling quick and easy

    2021 · inscheduler.com · its alternatives →

21. 21
    Perks▲79

    Scheduling app

    2023 · perks.lk · its alternatives →

22. 22
    Tempota▲12

    Ai assisted Booking and Appointment Software

    2025 · tempota.com · its alternatives →

23. 23
    appointment scheduling software▲6

    connects customers with service providers

    Oct 2025 · settime.io · its alternatives →

24. 24
    Baluu▲12

    Booking & scheduling software solutions

    2024 · baluu.co.uk · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →