Hoiio API provides developers with access to voice and SMS services.
Using Hoiio API, developers can
* Make and receive phone calls
* Send and receive SMS
* Send and receive Fax
* Create interactive voice response (IVR) apps
The benefit is that developers can now easily access traditional telephone network, without incurring hefty startup cost.
A simplified view on what Hoiio API does:
#How to use
We recommend that you read the [Quick Start Guide](doc:quick-start-guide) first.
In less than 5 minutes, you would go through the process of creating a Hoiio app and making your first phone call via API request.
[Read Quick Start Now](doc:quick-start-guide)
Thereafter, you are free to explore on your own. You could drill into any of the [6 API categories](doc:overview#the-apis) and use the API that is needed for your app.
You could use the [SDKs](doc:sdk) to accelerate your development, or refer to the [sample codes](doc:examples).
Hoiio APIs are grouped into various main categories. You will find more details in each of the category.
1. [Voice API](doc:voice-api)
2. [Conference API](doc:conference-api)
3. [SMS API](doc:sms-api)
4. [IVR API](doc:ivr-api)
5. [Fax API](doc:fax-api)
6. [Number API](doc:number-api)
7. [Account API](doc:account-api)
8. [Organization API (Connect developers only)](doc:organization-api)
Hoiio API adopts a simple pay-as-you-go pricing. You pay only for what you use.
There are 5 components to pricing:
1. Voice calls (Outbound)
2. Voice calls (Inbound)
3. SMS (Outbound)
4. SMS (Inbound)
5. Number Subscription
Voice calls are charged on a per-minute basis, SMS on a per-message basis and numbers on a monthly basis.
Pricing varies by countries.
Refer to the [full pricing page](http://developer.hoiio.com/pricing) for the exact dollars and cents.