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Hoiio Inc.
Industry Cloud Communication
Genre Telecommunications
Founded 2007
Headquarters Singapore,
Products Hoiio UC
Hoiio API
Number of employees
Website Hoiio.com

Hoiio is a cloud communication company based in Singapore. They provide unified communication solutions for business communication in the form of applications and APIs. Their applications are built on their own web APIs which are open to software developers who want to programmatically access the telecommunication infrastructure.

Unlike certain VoIP providers like Skype or Viber, Hoiio does not provide free calls, instant messaging or video conferencing over the Internet.


Founded in 18 April 2007, Hoiio (previously Teliwave) started as a System Integrator for Mobile Operators and Internet Telephony Service Provider.

In June 2011, Hoiio changed their business model and turned to providing cloud communication services for businesses. They focused mainly on two products: their APIs and UC apps which were launched in March 2012 and August 2012 respectively. The UC apps were well received as they provided businesses with a cloud based phone secretary services.[1] 



The apps operate on a Software as a Service business model and users are charged for usage of Voice, SMS and Numbers as well as app subscriptions. Hoiio has built the following products:

  • Main Line
  • Direct Line
  • Phone
  • Fax
  • Conference
  • SMS Marketing
  • SIP Trunk


In March 2012, Hoiio launched its web API to enable software developers to create communication applications.[2]  Hoiio's APIs operates on a Platform as a Service business model where software developers are charged for usage of Voice, SMS and Number services.

Hoiio APIs are built on the concept of creating Lego blocks for building unified communication apps and consists of the following key APIs:

  • Voice (Voice Call, Voice Conference)
  • SMS (Incoming SMS, Outgoing SMS)
  • IVR (Answer, Dial, Play, Gather, Record, Monitor, Transfer, Hangup)



  • Demo Asia People Choice Awards 2012 [3] 
  • SiTF (Singapore Infocomm Technology Federation) Judges Choice and Gold Awards in Cloud Computing[4]


  • Digital Life Choice Awards [5]


Hoiio API[edit]

Hoiio Apps[edit]