Tech Deciphers — Software Development & M-Pesa Integration in Kenya

SMS Marketing System

SaaS Platform · Marketing Agency · 2023

Bulk SMS platform with scheduled campaigns, delivery analytics, sender ID management, and REST API for developers.

Overview

A multi-tenant SMS marketing platform enabling marketing agencies and businesses to run bulk SMS campaigns at scale. The platform integrates with Africa's Talking for message delivery and provides a white-label solution for agency clients.

The challenge

The client needed a platform to serve 20+ agency clients simultaneously, each with their own sender IDs, contact databases, and billing accounts, while maintaining strict delivery SLAs and complying with the Communications Authority of Kenya regulations.

The solution

We architected a multi-tenant SaaS platform using Laravel's policy-based authorization to isolate each tenant's data. Africa's Talking API handles delivery with DLR callbacks. Laravel Horizon manages the message queue ensuring throughput of 10,000+ messages per hour per tenant.

Results

  • Millions of messages sent in the first year
  • 20+ marketing agency clients onboarded in 6 months
  • 99.2% delivery rate achieved across all major Kenyan networks
  • Average campaign setup time reduced from 45 minutes to under 5 minutes
  • REST API adopted by 8 developer teams for programmatic messaging

Technologies used

Africa's Talking APILaravel 10Vue.js 3MySQLRedisLaravel HorizonREST API

Screens

  • Campaign creation interface — Drag-and-drop campaign builder with contact group targeting
  • Delivery analytics dashboard — Real-time delivery reports and click analytics
  • Developer API docs — Interactive API documentation for developer integration
  • Contact list management — Contact import, segmentation, and opt-out management

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