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QuantumNest Technologies
QuantumNest

Payments

Payments & M-Pesa Integration

Get paid by M-Pesa, cards and mobile money, with records that balance.

Starting price
from KES 6,000
Typical timeline
1–3 weeks for a standard integration. 4–8 weeks for wallets, payouts or reconciliation systems.

The problem

Payments break in the gaps

Most payment problems are not the checkout button. They are the missed callbacks, the duplicate orders, the customer who paid but the system did not notice, and the month-end spreadsheet nobody trusts.

  • Callbacks that fail silently, so paid orders stay 'pending'
  • No way to match M-Pesa receipts to invoices or customers
  • Manual payouts to agents, drivers or staff
  • A different provider for every country you sell in

What we build

Everything included in payments

M-Pesa Daraja

  • M-Pesa Express (STK Push) checkout for Paybill and Buy Goods
  • C2B: register URLs, validation and confirmation handling
  • B2C payouts: salaries, refunds, commissions and winnings
  • B2B, Transaction Status, Account Balance and Reversals
  • Dynamic QR codes and standing orders
  • Sandbox build, testing and help with the Safaricom go-live process

Gateways across Africa and beyond

  • KopoKopo (K2) for till and STK collections
  • Airtel Money and MTN MoMo for Uganda, Ghana, Rwanda and more
  • Paystack and Flutterwave for Nigeria, Ghana, Kenya and South Africa
  • Pesapal and DPO Pay for cards and regional mobile money
  • Stripe and PayPal for international customers

Money systems

  • Subscriptions and recurring billing
  • Wallets, split payments and escrow-style holds
  • Invoices, receipts and KRA eTIMS e-invoicing integration
  • Automated reconciliation and payment dashboards
  • Webhook retries, idempotency and audit logs

Deliverables

What you get

  • Working integration in your app (web, mobile or backend)
  • Callback handling with retries, idempotency and logging
  • Admin view or report of every transaction
  • Sandbox-to-production go-live checklist
  • Handover documentation and a walkthrough call

FAQ

Payments & M-Pesa Integration: common questions

Something else? Ask us directly and you'll get a straight answer.

What do I need before you can integrate M-Pesa?

A Paybill or Buy Goods (Till) number registered to your business, and access to the Safaricom Daraja portal. We can build and test everything in the sandbox first, then help you apply for production credentials.

Can STK Push work with a Till number?

Yes. For Buy Goods, the request uses your store (head office) number as the business short code and the till as the receiving party. We configure this for you.

How do you make sure no payment is missed?

We store every request, handle the callback, and run a scheduled Transaction Status check for anything still pending. Reconciliation reports flag mismatches so nothing slips through.

Can you add M-Pesa to my existing website or app?

Usually, yes. We work with Next.js, React, Node, Laravel, Django, WordPress/WooCommerce and mobile apps. We review your code first and quote a fixed price.

Do you support payments outside Kenya?

Yes. We use Paystack, Flutterwave, MTN MoMo, Airtel Money, Pesapal, DPO, Stripe or PayPal depending on the countries and currencies you sell in.

Often combined with

  • from KES 15,000

    AI Chatbots & Assistants

    Support, sales and booking assistants trained on your documents. English, Swahili and a human handoff when needed.

    Learn more
  • from KES 150,000

    Custom AI & Model Training

    Fine-tuned LLMs, forecasting, credit scoring, fraud detection, OCR and trading signal models, deployed as APIs.

    Learn more

Let's talk about your payments project

Tell us what you need. You'll get a reply within one working day, with honest advice and a clear next step.

Mon–Sat, 8:00–18:00 EAT · Nairobi, Kenya