Free APIs for the next

generation of Text Messaging

Easy to use RESTful API
Free to use and no message delivery costs, global connectivity
Comprehensive documentation with example code
Online tools for exploring the API
Get paid using MagicWords
Free client source code to get you started
Integrate your messaging app with facebook and twitter
Build messaging for any internet connected device or service

API

Our RESTful API is fully featured & documeted to allow you to quickly build white label enhanced messaging products. We don't charge you to use our API, though we do ask you to register.

MagicWords

There are 10 times more text messages read than there are online searches made each day. Deploy MagicWords to provide value to your users and monetize your messaging applications.

We're Hiring

We’re looking for highly motivated engineers who want to build a revolution in mobile messaging. Our engineering team is based in Helsinki, Finland.

Our API is easy to use. Check out some examples.

Create a new conversation between 3 people -
the user, a phone number and an email address

$ curl -XPOST
https://sandbox.hdmessaging.com/conversations
-d '{
    'phone': '+15551234567',
    'email': 'user@somewhere.com',
    'body': 'guys, how about having lunch soon?'
}'

Add a new message to a conversation

$ curl -XPOST
https://sandbox.hdmessaging.com/conversations/2cb3/messages
-d '{
    'body': 'see you at the wine lounge in 15 mins'
}'

The average US teen sends and receives 3,339 texts a month and spends 1 hour 35 minutes each day sending or receiving text messages.

US adults have increased their text message use 75% in the last 12 months. Only 25% of the US texting population is under 25, and the 25-35 age group overscores most heavily for text usage.

More than 7 trillion text messages will be sent in 2011. 5 billion of the world's population of 7 billion will send a text in 2011.