Detailed technical benchmark and comparison between Unlimit (formerly CardPay) API and Monnify API. Analyze pricing structures, verified webhooks, sandbox testing, authentication, and compliance for teams building in Nigeria.
Accept international payments for e-commerce, gaming & travel platforms
Accept payments with same-day settlement & competitive transfer fees
Unlimit (formerly CardPay) API is best for nigerian and African businesses with international customer bases, global e-commerce merchants, gaming companies, travel platforms, and subscription services needing to accept 1,000+ payment methods across 150+ currencies with explicit support for Nigeria, Kenya, and Tanzania in Africa.
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 | U Unlimit (formerly CardPay) API | M Monnify API |
|---|---|---|
| Authentication | Terminal credentials (Terminal Code + Password) + SHA-512 signature server-to-server authentication for API gateway mode; OAuth 2.0 for some endpoints | Basic Auth (base64 of apiKey:secretKey) OR OAuth Bearer Token |
| Rate Limit | Not publicly documented enterprise SLA-based | Not publicly specified |
| Sandbox Mode | ✓ Available | ✓ Available |
| Webhooks | ✓ Supported | ✗ Not supported |
| API Services | Card Payments (Visa / Mastercard / Verve)Bank Transfer / Pay by TransferUSSD PaymentsInternational / Multi-Currency Payments | Virtual AccountsDynamic Bank TransfersCard PaymentsBulk DisbursementsPOS Terminal |
| Supported Regions |
| Fee Component | U Unlimit (formerly CardPay) API | M Monnify API |
|---|---|---|
| Local Transactions / Cards | Contact provider | Local cards/USSD:1.5% capped ₦2,000 |
| International / FX Cards | Contact provider | International cards:4% |
| Transfers & Payouts | Contact provider |
|
| Free Tier / Trial Credits | No publicly listed free tier | Contact provider |
| Setup & Monthly Fees | Contact provider | No setup/monthly fees |
| Rates & Additional Terms |
| Rates exclude VAT |
| Feature / Capability | U Unlimit (formerly CardPay) API | M Monnify API |
|---|---|---|
| Card Payments (Verve/Visa/Mastercard) | ✓ | ✓ |
| Bank Transfer / Pay by Transfer | ✓ | ✓ |
| USSD Payments | ✓ | ✓ |
| Virtual Accounts | ✗ | ✓ |
| International / Multi-Currency Payments | ✓ | ✓ |
| Recurring Billing / Subscriptions | ✓ | ✓ |
| Payment Links & Hosted Checkout | ✓ | ✓ |
| Webhooks & Event Notifications | ✓ | ✗ |
| Sandbox Testing Environment | ✓ | ✓ |
| API Key / Token Authentication | ✓ | ✓ |