Detailed technical benchmark and comparison between Interswitch API and eTranzact 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
Power payment infrastructure for banks, government agencies & telcos
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.
eTranzact API is best for large Nigerian enterprises, banks, financial institutions, government agencies, and telcos that need a proven, publicly-listed payment infrastructure partner for bill payments, virtual accounts, instant transfers, e-invoicing, and wallet-as-a-service.
| Highlight | I Interswitch API | e eTranzact API |
|---|---|---|
| Authentication | OAuth 2.0 (Client ID + Secret Key from developer console) | API Key (from eTranzact developer portal) |
| 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 | Card Payments (Visa / Mastercard / Verve)Bank Transfer / Pay by TransferUSSD PaymentsVirtual Account Numbers |
| Supported Regions |
| Fee Component | I Interswitch API | e eTranzact API |
|---|---|---|
| Local Transactions / Cards | Local transactions:1.5% capped at ₦2,000 (7.5% VAT applies) | Contact provider |
| Free Tier / Trial Credits | Integration free | Contact provider |
| Rates & Additional Terms |
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