Detailed technical benchmark and comparison between Interswitch API and Monnify API. Analyze pricing structures, verified webhooks, sandbox testing, authentication, and compliance for teams building in Nigeria.
Vend airtime, pay 3,000+ billers & process NIP transfers via Verve
Accept payments with same-day settlement & competitive transfer fees
Interswitch API is best for nigerian enterprises, banks, fintechs, and businesses needing access to Interswitch's 3,000+ biller network, airtime vending, NIP instant transfers, and the Verve card network backed by Nigeria's oldest and largest payment infrastructure company.
Monnify API is best for nigerian businesses, SaaS platforms, and fintechs that prioritize same-day settlement, competitive bank transfer fees, and a well-documented API from Moniepoint's CBN-licensed payment infrastructure.
| Highlight | I Interswitch API | M Monnify API |
|---|---|---|
| Authentication | OAuth 2.0 (Client ID + Secret Key from developer console) | Basic Auth (base64 of apiKey:secretKey) OR OAuth Bearer Token |
| Rate Limit | Not publicly specified | Not publicly specified |
| Sandbox Mode | ✓ Available | ✓ Available |
| Webhooks | ✓ Supported | ✗ Not supported |
| API Services | Card Payments (Visa / Mastercard / Verve)Bank Transfer / Pay by TransferUSSD PaymentsVirtual Account Numbers | Virtual AccountsDynamic Bank TransfersCard PaymentsBulk DisbursementsPOS Terminal |
| Supported Regions |
| Fee Component | I Interswitch API | M Monnify API |
|---|---|---|
| Local Transactions / Cards | Local transactions:1.5% capped at ₦2,000 (7.5% VAT applies) | Local cards/USSD:1.5% capped ₦2,000 |
| International / FX Cards | Contact provider | International cards:4% |
| Transfers & Payouts | Contact provider |
|
| Free Tier / Trial Credits | Integration free | Contact provider |
| Setup & Monthly Fees | Contact provider | No setup/monthly fees |
| Rates & Additional Terms |
| Rates exclude VAT |
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