Detailed technical benchmark and comparison between Cellulant (Tingg) API and OPay API. Analyze pricing structures, verified webhooks, sandbox testing, authentication, and compliance for teams building in Nigeria.
Pan-African digital payment gateway, merchant checkout & USSD collections connecting 100+ banks
Accept card, bank transfer & USSD payments through OPay's 40M+ wallet network
Cellulant (Tingg) API is best for multinational corporations, airlines, FMCG brands, and high-growth fintechs expanding payment acceptance across Africa.
OPay API is best for nigerian businesses needing a payment gateway that also integrates deeply with OPay's 40M+ user wallet ecosystem accepting card, bank transfer, USSD, and OPay wallet QR payments in one checkout particularly for mass-market consumer apps, FMCG merchants, and businesses selling to OPay's large mobile money user base.
| Highlight | C Cellulant (Tingg) API | O OPay API |
|---|---|---|
| Authentication | API Key (Client Secret & Authorization Token) | API Key + HMAC signature (AppId + request signing with AppKey). Keys from OPay Business Dashboard. |
| Rate Limit | High-throughput enterprise level | 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 | Card Payments (Visa / Mastercard / Verve)Bank Transfer / Pay by TransferUSSD PaymentsInternational / Multi-Currency Payments |
| Supported Regions |
| Fee Component | C Cellulant (Tingg) API | O OPay API |
|---|---|---|
| Local Transactions / Cards | Per-transaction percentage (1.5% 2% local, 3.5% 4% international) with volume discounts for large corporate merchants and billers. | Local transactions:1.5% capped at ₦2,000 |
| International / FX Cards | Contact provider | International:4% per transaction |
| Transfers & Payouts | Contact provider |
|
| Rates & Additional Terms | Standard tier rates apply | Volume discounts available for large processors |
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