HTTP/S SMS Gateway API

Clickatell's HTTP/S SMS Gateway API is very popular with application developers as it is simple and versatile. It is possible to choose SSL encryption with this web-based product ensuring that data is protected and this HTTP/S API can overcome common firewall problems. Application developers merely submit a POST or GET to the API server and can begin sending mobile messages.

Why application developers choose Clickatell's HTTP/S API:

• This SMS API enables high-volume delivery of secure messages.
• With the HTTP API, Clickatell can offer you batch sending capabilities with server-side message merging.
• Clickatell's HTTP API has secure text message sending with SSL encryption on both inbound and outbound SMS messages.

All of Clickatell’s A2P text messaging solutions offer the following features:

• Almost immediate SMS functionality for any site or application.
• Clickatell’s mobile messaging API’s support text, Unicode, binary SMS, EMS and Flash.
• Our SMS Gateway API’s support extended length messages.
• Clickatell’s mobile messaging API products come with extensive documentation and script libraries, saving you precious development time.
• VCard and VCal converters are available at no charge for logo and ringtone conversions.
• Our SMS Gateway API’s have delivery acknowledgement features and customized sender ID options.
• Two-way text messaging is enabled for most of our products and we can offer this feature in through 574 Networks in 191 Countries.
• Automatic rerouting to an alternative delivery gateway if a message is delayed for a client specified period of time.
• Customer-specified priority level SMS delivery queues.
• SMS delivery delay of up to 7 days (excluding SMPP API).
• Customers can query network coverage as well as text message status for both inbound and outbound messages (push and pull).

Take the free trial now of our HTTP/S API, we offer you 10 message credits to test our award-winning SMS Gateway connection.