Celcom Africa’s Bulk SMS API is designed to facilitate mass messaging. Send thousands of SMS messages with a single request, be it for alerts, notifications, or promotional messages.

USSDs & Shortcodes API

Engage with your audience in real-time using our USSDs & Shortcodes API. Ideal for services that require immediate user interaction, such as surveys and voting systems.

BulK Email API

With our Bulk Email API, you can reach a large audience with personalized and engaging newsletters, promotional emails, and more.


Frequently Asked Questions

Bulk SMS in Kenya is a communication channel that lets an individual or business get their messages across cheaply and effectively. Starting form KSh 0.4 per SMS you can compose and send urgent /important message in bulk from wherever you are in the world.

The following are the simple steps that one would take to send bulk SMS in Kenya with Celcom Africa.

  • Start by registering for bulk SMS services here
  • Then buy sufficient Bulks SMS bundles, you can buy any number of sms units ranging from 625 to over a million sms unit.
  • On your bulk sms dashboard, access the address book which contains your contacts' mobile numbers.
  • Compose a new message and then select recipients of the message from the address book.
  • You can opt to schedule you SMS messaging or just hit send straight away and you message will be sent to all your recipients within a couple of seconds, almost instantaneously

To know how much bulk SMS costs, look no further than Celcom Africa, as a No.1 bulk SMS service provider company in Kenya, we offer the best SMS costing model unlike others players in the industry. Starting from KSh 0.4 per SMS and a minimum of 625 SMS to anywhere above 1 million, your business is well on its way to exceed customer expectations and improve sales as well as customer retention.

At Celcom Africa we aim to make bulk SMS messaging as easy as 123. Our bulk SMS gateway is the best and most powerful bulk SMS sending platform in Kenya, tested and proven. We manage over 15+ million API calls on a daily basis and our clients send over 50+ million SMS per month. We are proud to be the leading bulk SMS provider in Kenya. However don’t take our world for it. You can test the effectiveness and performance of our bulk SMS gateway. To test our bulk SMS platform register here for 50 free test units.

To successfully send an SMS message whether to a single recipient or multiple recipient an SMS gateway is required to make it possible to send and receive SMS messages to and from the telecommunication networks both local and international using a computer. Celcom Africa will seamlessly integrate bulk SMS API with your application thereby allowing you to send SMS message through our SMS gateway. Leverage. Therefore you need an sms gateway to send bulk sms messages.

While the standard length of an SMS message is 160 characters, using our bulk SMS platform you can send long text messages of upto 850 characters per message and your recipients on the other end will receive your text as a single long SMS with the intended message. Having a long text messaging feature in our bulk SMS service is a critically important for business to communicate accurately and concisely.

While sending a message, you can select a single contact or multiple contacts from your mobile contacts. Alternatively, you can import the phone contacts using excel or CSV file to form a contact group within Celcom Africa bulk SMS platform. Here is what you need to do:

Step 1: Log in to your account confirm you have enough SMS/credits if not purchase using our Pay bill which will automatically credit your account.

Step 2: If you have not uploaded contacts import your address book into your SMS account. Create groups to categorize your contacts accordingly and then upload your existing contact list in excel “save as excel 97-2003 template".

Step 3: Select your desired SMS message recipients. If the message is intended for a specific group, just select the group name. You can also paste a list of the numbers you want to send to.

Step 4: Type in your SMS message and be sure to keep checking to avoid exceeding your preferred SMS limit. Personalize SMS for recipients by inserting custom information fields easily, from your contact list. You can also include a link to measure your Return on Investment.

Step 5: Send or schedule the text message.