Payments & Third-Party Connectors
Connect your product to M-Pesa Daraja, banks, Stripe, PayPal, CRMs, and custom REST or SOAP APIs. We handle auth, webhooks, retries, logging, and documentation so integrations stay maintainable.
Capabilities
What's included
Payment Integrations
- M-Pesa STK Push, callbacks & reconciliation
- Stripe, PayPal, Flutterwave
- Bank transfer & payout APIs
- Idempotent payment handling
Business Systems
- ERP, CRM & accounting connectors
- Webhook receivers & dispatchers
- Scheduled sync jobs
- Sandbox → production rollout
Ideal for
Built for teams like yours
Our process
How we deliver
- 01
Discovery
We map your goals, users, and existing tools in a focused kickoff call.
- 02
Design & Plan
Wireframes, scope, timeline, and milestone pricing — agreed before build starts.
- 03
Build & Test
Agile delivery with demos, staging reviews, and QA on real devices.
- 04
Launch & Support
Deployment, handover docs, training, and post-launch support options.
Outcomes
Why choose Sierlab
- Automate payments and reduce errors
- Real-time sync between platforms
- Clear audit trails for finance teams
- Documented APIs your devs can extend
Tech stack
Tools we use
- M-Pesa Daraja
- Stripe
- Node.js
- Webhooks
- Redis
- Postman
FAQ
Common questions
- Can you fix a broken M-Pesa integration?
- Yes. We audit callbacks, credentials, and idempotency — then patch or rebuild the flow with proper logging.
- Do you sign NDAs for API credentials?
- Of course. We use secure secret storage and never commit keys to source control.
Ready to start your api integration services project?
Tell us about your goals — we'll reply with a clear scope and timeline, usually within one business day.