Energy
Mpaya Energy
Challenge: Manual tracking of solar customers, PAYG payments and field installations.
Solution: Custom CRM with M-Pesa reconciliation, field agent app and WhatsApp payment reminders.
CRMM-PesaWhatsApp
Now live: EtterxConnect, the multi-platform messaging API
Software engineering & digital transformation in Nairobi
Etterx builds cloud-native systems, custom CRMs, ERP integrations and AI-powered WhatsApp automation that help businesses work smarter and scale faster.
Cloud
API
Secure
EtterxConnect · InboxLIVE
Etterx Assistant
AI agent · WhatsApp
Hi, I'd like to check my order status 📦
Sure! Order #4821 is out for delivery and arrives today by 4pm.
Can I pay with M-Pesa?
Yes — I've sent an STK push to your phone ✅
POST /messages200 OK
Trusted by growing businesses
What we do
Services built for real business outcomes
From cloud infrastructure to customer conversations — end-to-end engineering under one roof.
Live product
EtterxConnect
EtterxConnect is a multi-platform messaging API. Sign up, connect your WhatsApp Business number, build chatbots and integrate messaging into your systems from one portal.
Official WhatsApp Cloud API
Verified business messaging at scale
AI auto-replies
Answer FAQs and qualify leads 24/7
Shared team inbox
Collaborate on every conversation
Broadcast campaigns
Targeted, opt-in bulk messaging
Industries & stack
Solutions across key African sectors
Built on proven, modern technology.
Energy
Financial Services
Manufacturing & Retail
Agriculture
BPO & Customer Service
SMEs
Our technology stack
PythonFastAPIReactTypeScriptPostgreSQLRedisMongoDBGoogle CloudAWSDockerWhatsApp Cloud APIM-Pesa
Why Etterx
A dependable engineering partner
10+
Years Engineering Experience
50+
Projects Delivered
6+
Industries Served
6+
Client Partners
What you get
Local expertise
We understand Kenyan & African markets, M-Pesa and regulation.
Cloud-native engineering
Modern, scalable architectures on GCP and AWS.
End-to-end delivery
Strategy, design, build, integration and deployment.
Ongoing support
Monitoring, maintenance and continuous improvement.
How we deliver
1
Discover
Understand your goals, processes and pain points.
2
Design
Architect solutions and prototype the experience.
3
Build & Integrate
Agile engineering with your systems connected.
4
Deploy & Support
Launch, monitor and continuously improve.
Featured work
Results we've delivered
Technology
Celotech Kenya
Challenge: On-premise systems struggling with growth, downtime and rising maintenance costs.
Solution: Cloud migration to GCP with containerized services, CI/CD and 24/7 monitoring.
CloudDevOpsGCP
Financial Services
Pioneer FSA
Challenge: Member enquiries overwhelming staff and slowing loan processing.
Solution: AI WhatsApp assistant for balances, loan applications and FAQs with human handover.
AI ChatbotWhatsAppIntegrations
Ready to modernize your business?
Talk to our engineers — we'll map a practical roadmap in one free session.