The verdict in three sentences
A unified checkout automatically routes each customer to the right operator (M-Pesa, MTN MoMo, Airtel Money) based on the number or the displayed choice. This approach raises conversion by 18 to 25 % compared with a single payment method. The technical secret is a PaymentProvider abstraction that hides API differences behind a common interface.
The PaymentProvider abstraction
Instead of hard-coding each operator, you define a common interface (checkout, status, webhook, refund) and one implementation per provider. Adding a new operator means writing a single class, without touching the order funnel.
| Interface method | Role | Shared by all providers |
|---|---|---|
| checkout(order, provider) | Creates the payment session | Yes |
| getStatus(txId, provider) | Queries the status | Yes |
| handleWebhook(provider, payload) | Handles the notification | Yes |
| refund(txId, provider) | Refunds | Yes |
Each webhook lands on a per-provider route, but all converge on the same reconciliation logic. Operator detection (number prefix, or manual selection) drives the routing.
Conversion and costs: the 2026 figures
| Parameter | 2026 order of magnitude | Comment |
|---|---|---|
| Conversion gain (3+ methods vs 1) | +18-25 % | Fewer payment drop-offs |
| Cost to add a provider | 80,000-150,000 FCFA | One class + webhook |
| Monthly maintenance | 25,000-75,000 FCFA | Monitoring + updates |
| Common provider count | 3-4 | M-Pesa, MTN, Airtel |
| Time to add a provider | 2-4 days | Thanks to the abstraction |
| Webhook route | 1 per provider | Common logic afterwards |
These are 2026 estimates; the conversion gain depends on your traffic and the operators' market share in your country.
Mini case study
Kodjo sells electronics in Kampala. With M-Pesa only, he converts 2.4 % of his 5,000 visitors/month, i.e. 120 orders, average basket 28,000 FCFA (3,360,000 FCFA). By adding MTN MoMo and Airtel Money (cost 2 x 120,000 = 240,000 FCFA), his conversion climbs +20 %, to 2.88 %, i.e. 144 orders: +24 orders/month, or +672,000 FCFA of monthly sales. The investment pays back in the first month, with maintenance (50,000 FCFA/month) marginal against the gain.
Become a Kolonell referral partner
Do you know merchants losing sales for lack of payment options? Refer them to Kolonell and earn a commission on every signed project. Our referral (apporteur d'affaires) program rewards each successful introduction:
Need a professional website?
Kolonell builds websites that attract clients, optimized for the Sénégalese market. Free quote in 2 minutes.
| Project type | Referral commission | Recurring |
|---|---|---|
| Showcase site | 15 % | + 5 % recurring |
| E-commerce | 12 % | per contract |
| Marketplace | 10 % | per contract |
| Institutional | 8 % | per contract |
A single referral of a multi-provider checkout (e-commerce) can earn you 12 % of the project value, with no technical work on your side.
FAQ
Why does offering several mobile money methods raise conversion?
Because each customer has a preferred operator: forcing one method excludes those without an account there. Offering 3+ options cuts payment drop-offs by 18 to 25 %.
Is it hard to maintain several providers?
No, if the architecture rests on a PaymentProvider abstraction. The common logic (status, reconciliation) is shared; only a thin per-operator layer changes, for 25,000 to 75,000 FCFA/month of maintenance.
How much does adding a new operator cost?
Between 80,000 and 150,000 FCFA and 2 to 4 days, since you only write an implementation of the interface and its webhook route, without changing the existing order funnel.
How do I become a Kolonell referral partner?
Contact us, introduce a prospect, and if the project signs you earn 8 to 15 % depending on the pole (15 % for showcase, 12 % for e-commerce). No technical skill required, just an introduction.
Let's talk about your project. We build your multi-provider checkout and open our referral program to you. WhatsApp +221 77 596 93 33.
Mohamed Bah
Fondateur, Kolonell
Passionate about digital and entrepreneurship in Africa, Mohamed has been helping Sénégalese businesses with their digital transformation since 2020. Founder of Kolonell, he believes every SME deserves a professional and accessible online présence.
