Here are details about our API definitions.



If you already have your own SMS service, we could be your best partner. We offer the best international coverage to more than 200 countries and the most competitive prices.

If you have your own tool for sending messages to mobiles, try the direct connection to our platform. The SMS Gateway service is a bulk messaging connection to mobiles directly from your application or website through a direct connection to our SMS sending platform. This way, SMS are sent from your own system but using our connection and our SMS platform, with the advantages that this entails.

Which API definition should you use?

At Fastsms4u, we give third party developers a reliable, ideal platform to easily develop new applications and improve existing ones. With our Developers API Toolkit, you can send text messages to hundreds of global mobile networks within your own system.

We offer a comprehensive assortment of API tools so developers can efficiently connect to our SMS gateway and integrate SMS into their site, system or application. Our capable technology allows you to effectively utilize SMS as a medium of communication.

Connectivity Options


The Short Message Peer-to-Peer (SMPP) protocol is suitable for customers who send large volumes of SMS traffic. Blast SMS supports the SMPP 3.4 standard and is our most robust API available. Customers wishing to use this protocol must have a suitable SMPP client available for connectivity.


By far the easiest way to get connected to Blast SMS’ messaging gateway with the use of a simple HTTPS POST via an encrypted (SSL) link. Ideal for web-based services.

Email to SMS API
Email to SMS is perfect for clients who wish to send SMS through your existing email messaging system such as Outlook, Gmail and Hotmail.

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