Flutterwave API vs Interswitch API Comparison: Discover the best for Payment Gateways & Processors in Nigeria

Flutterwave API is best for: Nigerian and pan-African businesses, fintechs, e-commerce platforms, and marketplaces that need a battle-tested payment gateway with the widest payment method coverage cards, bank transfer, USSD, mobile money, M-Pesa across Africa and 150+ countries.. Meanwhile, 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.. Your choice should align with whether your team prioritizes Flutterwave API's developer ecosystem or Interswitch API's specific capability set.

Flutterwave API provides a dedicated sandbox testing environment and has webhook status unverified. Interswitch API offers sandbox testing and supports real-time webhooks.

Flutterwave API pricing: Local (cards, transfer, USSD, POS, QR): 2% per transaction (1.4% txn fee + 0.6% platform fee). International cards (Visa/MC/AMEX/Discover): 4.8%. Transfers: ₦10 (≤₦5K), ₦25 (₦5K ₦50K), ₦50 (>₦50K). All fees subject to 7.5% VAT. No monthly fee.. Interswitch API pricing: Integration free. Local transactions: 1.5% capped at ₦2,000 (7.5% VAT applies). Customized volume pricing available for high-volume merchants. Settlement within 48 hours.. Both platforms offer tailored pricing structures for Nigerian transactions.

Flutterwave API uses Bearer Token (Secret Key from Flutterwave Dashboard) authentication with Rate limited HTTP 429 returned when exceeded. Exact limits in official docs.. Interswitch API uses OAuth 2.0 (Client ID + Secret Key from developer console) authentication with Not publicly specified.