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A look into Clickatell's SMS Small Business API

, 1 Nov 2012 CPOL
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Clickatell just released a new SMS Small Business API. This is a two part blog series with the results of my analysis of the API and details on how to integrate it into your .NET application.

Clickatell is a worldwide mobile messaging company that just released a Small Business API, which allows you to integrate SMS functionality into your small business applications. Their target audience is small businesses that want to integrate SMS into their business model. For example, appointment reminders or delivery notifications are perfect scenarios for this API. Clickatell asked me to try it out and give them feedback so they can continue to improve the product.


Before I sat down to look at the API I came up with the following list of questions I would ask of any SMS API provider.

  • Reliability – Do they guarantee message delivery? Can I get notified when messages are successfully sent?
  • Usability – Can I quickly get what I need from the API? Is it easy to use?
  • Networks and Countries – Do they support the mobile networks that the majority of my customers are on? Only US or entire world?
  • Performance – What is the typical response time of the endpoint?
  • Platform Support – Do they support .NET and JavaScript calls?
  • Technical Support – What is response time for technical support inquires? Is there a phone number to call if needed?
  • Availability – How many nines? Do they have downtime notifications?
  • Pricing – How much does it cost per message?
  • Rate Limiting – How much do they throttle messages?
  • Media – Does it support MMS?

Find out more on the analysis I did into Clickatell’s Small Business API at A high-level look into Clickatell's new SMS Small Business API.

In part II of my review ‘How to integrate Clickatell’s SMS Small Business API into a .NET application’, I focus on the options available and technical details for integrating the API into your application.

There are many options available for integrating Clickatell’s Small Business API into your application and Clickatell’s APIs & Scripts page has all the info you need to get started. All of the specifications for all the protocols are available on their "Developer’s Central" page.

The protocols available are: HTTP/S, XML, SOAP and COM object. There are other protocols listed on that page, like FTP and SMTP, but they don’t apply to the Small Business API. They have sample scripts available for PhP, VBScript, C#, VB.NET, Cold Fusion and Oracle and there are third party libraries available for Java, Perl, Ruby and Applescript.

The review also explores different protocols are available as well as which protocols should I choose.


This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


About the Author

Jon Gallant
Software Developer (Senior) Microsoft
United States United States
No Biography provided

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GeneralMy vote of 1 Pin
Manfred R. Bihy1-Nov-12 17:19
mvpManfred R. Bihy1-Nov-12 17:19 

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