The verdict in three sentences
A bank card can be reversed up to 120 days after purchase, whereas a mobile money push payment is nearly irreversible. As a result, your risk exposure depends directly on your payment method mix. In 2026 you must risk-price by method and set a coherent loss reserve.
Card vs mobile money: the risk duel
The two worlds don't play in the same league on reversibility.
| Criterion | Card chargeback | Mobile money dispute |
|---|---|---|
| Dispute window | Up to 120 days | Usually 24-72h |
| Reversibility | High | Very low (push) |
| Dispute fee | 150-350 ZAR | 0-50 ZAR |
| Win rate with evidence | 30-45 % | 60-80 % |
| Friendly fraud | Frequent | Rare |
| Burden of proof | On merchant | On buyer |
Risk-price by method
If 60 % of your sales run on cards, your loss reserve must be higher than for a mobile-money-dominant mix.
| Payment mix | Recommended loss reserve | Why |
|---|---|---|
| 80 % card / 20 % MoMo | 1.5-2.5 % of revenue | Strong chargeback exposure |
| 50 % / 50 % | 0.8-1.5 % | Balanced risk |
| 20 % card / 80 % MoMo | 0.3-0.7 % | Irreversible push dominant |
| 100 % MoMo | < 0.3 % | Mostly logistics losses |
Shifting the mix toward mobile money isn't just a local choice: it's a direct lever on your financial losses.
Evidence checklist that wins disputes
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To lift your card win rate from 30 % toward 45 %, always assemble: signed proof of delivery, connection logs (IP, device), timestamped customer correspondence, a capture of the accepted return policy, and the AVS/CVV footprint at payment time.
Mini case study
Thandi sells furniture online in Cape Town, mix 70 % card / 30 % MoMo. She takes 12 chargebacks/month at 280 ZAR fees and wins only 3 for lack of evidence. She steers communication toward Wave/instant EFT (moving to 45 % MoMo) and applies the evidence checklist. Her card win rate rises to 42 %, monthly dispute fees fall from 3,360 ZAR to ~1,500 ZAR, and her loss reserve drops from 2 % to 1.2 % of revenue.
FAQ
How long can a card be disputed? Up to 120 days after the transaction per the networks, sometimes longer for certain reasons. Mobile money disputes close in 24-72h.
Does mobile money protect the merchant? Yes: push payments are nearly irreversible, sharply reducing fraud loss on the seller side.
What win rate should you target on chargebacks? 30-45 % with good evidence. Without proof of delivery it drops below 20 %.
What is friendly fraud? A real customer disputes a real purchase ("I don't recognize this"). It's a large share of card chargebacks and near-zero in mobile money.
How to set your loss reserve? Index it to your mix: 1.5-2.5 % of revenue if card dominates, under 0.7 % if mobile money dominates.
Let's talk about your project. We optimize your payment mix and dispute defense to cut your losses. 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.
