The verdict in three sentences
Payment aggregators like Paystack, Flutterwave and Korapay simplify multi-rail integration by offering a single API to accept cards, bank transfers and mobile money at once across Nigeria and Ghana. Their fees range from 1.4% to 3.8% depending on card origin, generally cheaper than francophone equivalents but with more complex tiered pricing to navigate. In 2026, these platforms remain the best option for an SME launching without a dedicated engineering team, while high-volume stores benefit from negotiating custom rates once monthly volume clears a few million naira.
Comparing the three anglophone aggregators
| Criterion | Paystack | Flutterwave | Korapay |
|---|---|---|---|
| Average fee | 1.5% (local), capped ₦2,000 | 1.4% (local), 3.8% (int'l) | 1.5% - 2.9% |
| Countries covered | 4 (NG, GH, ZA, KE) | 30+ (NG, GH, KE, UG, RW, ZA...) | 4 (NG, GH, KE, ZA) |
| Integration time | 2-3 days | 2-4 days | 2-4 days |
| Payment methods supported | Cards, bank transfer, USSD, mobile money | Cards, bank transfer, mobile money, Barter | Cards, bank transfer, mobile money |
| Setup fee | Free | Free | Free |
| Settlement delay | T+1 | T+2 | T+1 to T+2 |
| API documentation | Excellent, SDK JS/PHP/Node | Excellent, SDK multi-language | Good, SDK Node/PHP |
Real cumulative cost by activity volume
Aggregator cost is easiest to justify early on; past a certain volume, negotiated direct rates become more cost-effective despite upfront integration work.
| Monthly volume | Aggregator cost (~2%) | Negotiated direct rate (~1%) | Monthly gap |
|---|---|---|---|
| ₦500,000 | ₦10,000 | ₦5,000 | ₦5,000 |
| ₦1,500,000 | ₦30,000 | ₦15,000 | ₦15,000 |
| ₦4,000,000 | ₦80,000 | ₦40,000 | ₦40,000 |
| ₦8,000,000 | ₦160,000 | ₦80,000 | ₦80,000 |
At ₦4,000,000 in monthly volume, the ₦40,000 gap often exceeds the cost of a direct-integration project amortized over 3 to 6 months, justifying the switch for mature stores.
Mini case study
Tolu, who launches an online fabric store serving Lagos and Accra, picks Korapay to start quickly without a dedicated developer, with integration completed in 3 days and a 2% average fee. Over her first 3 months, volume grows from ₦300,000 to ₦1,200,000 a month. Cumulative aggregator fees over that period reach roughly ₦40,000. At this growth rate, she plans to negotiate a direct Paystack rate by month 6, saving roughly ₦16,000 a month once volume exceeds ₦1,500,000.
FAQ
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Is an aggregator essential to launch an online store?
Not essential, but strongly recommended for an SME without a developer, since it enables accepting 3-4 payment methods through a single integration instead of 3-4 separate ones.
How do you choose between Paystack, Flutterwave and Korapay in 2026?
The main criterion is country coverage if you sell across multiple West African markets, followed by settlement delay if your cash flow is tight.
Do these aggregators handle refunds automatically?
Yes, all three offer a refund API, but processing times vary from 3 to 7 business days depending on the underlying payment method used by the customer.
Can you migrate from an aggregator to a direct integration without downtime?
Yes, a phased migration is possible, keeping the aggregator as fallback for 2-4 weeks while the direct integration is tested in production.
What does a direct multi-rail integration cost to build?
Between ₦500,000 and ₦1,500,000 depending on complexity, typically paid back in 4 to 8 months for a store exceeding ₦3,000,000 in monthly volume.
Let's talk about your project. Kolonell builds custom unified payment modules, aggregator-based or direct integration, matched to your volume and budget. 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.
