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OPay API vs Monnify API Comparison: Discover the best for Payment Gateways & Processors in Nigeria

Detailed technical benchmark and comparison between OPay API and Monnify API. Analyze pricing structures, verified webhooks, sandbox testing, authentication, and compliance for teams building in Nigeria.

OOPay API

OPay API

Accept card, bank transfer & USSD payments through OPay's 40M+ wallet network

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MMonnify API

Monnify API

Accept payments with same-day settlement & competitive transfer fees

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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.

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.

OPay API VS Monnify API Key Highlights

Highlight
OOPay API
OPay API
MMonnify API
Monnify API
AuthenticationAPI Key + HMAC signature (AppId + request signing with AppKey). Keys from OPay Business Dashboard.Basic Auth (base64 of apiKey:secretKey) OR OAuth Bearer Token
Rate LimitNot publicly specifiedNot publicly specified
Sandbox Mode✓ Available✓ Available
Webhooks✗ Not 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
NigeriaNigeriaGhanaGhanaKenyaKenya
NigeriaNigeria

Pricing & Fee Structure

Fee Component
OOPay API
OPay API
MMonnify API
Monnify API
Local Transactions / CardsLocal transactions:1.5% capped at ₦2,000Local cards/USSD:1.5% capped ₦2,000
International / FX CardsInternational:4% per transactionInternational cards:4%
Transfers & Payouts
  • OPay wallet transfers:₦5 each
  • Other bank transfers:₦10 (≤₦5K), ₦25 (₦5K ₦50K), ₦50 (>₦50K)
  • Bank transfer/Direct Debit:1.5% capped ₦2,000 (or ₦500 flat)
  • Payouts:₦10 (<₦10K), ₦20 (₦10K ₦49,999), ₦40 (₦50K+)
Setup & Monthly FeesContact providerNo setup/monthly fees
Rates & Additional TermsVolume discounts available for large processorsRates exclude VAT

OPay API & Monnify API Feature by Feature Comparison

Feature / Capability
OOPay API
OPay API
MMonnify API
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✓✓

Frequently Asked Questions

Which is better between OPay API and Monnify API in Nigeria?
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.. Meanwhile, 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.. Your choice should align with whether your team prioritizes OPay API's developer ecosystem or Monnify API's specific capability set.
Does OPay API or Monnify API support webhooks and sandbox testing?
OPay API provides a dedicated sandbox testing environment and has webhook status unverified. Monnify API offers sandbox testing and has webhook status unverified.
What are the fees and pricing models for OPay API vs Monnify API?
OPay API pricing: Local transactions: 1.5% capped at ₦2,000. International: 4% per transaction. OPay wallet transfers: ₦5 each. Other bank transfers: ₦10 (≤₦5K), ₦25 (₦5K ₦50K), ₦50 (>₦50K). Volume discounts available for large processors.. Monnify API pricing: Local cards/USSD: 1.5% capped ₦2,000. Bank transfer/Direct Debit: 1.5% capped ₦2,000 (or ₦500 flat). International cards: 4%. Payouts: ₦10 (<₦10K), ₦20 (₦10K ₦49,999), ₦40 (₦50K+). No setup/monthly fees. Rates exclude VAT.. Both platforms offer tailored pricing structures for Nigerian transactions.
What authentication methods do OPay API and Monnify API use?
OPay API uses API Key + HMAC signature (AppId + request signing with AppKey). Keys from OPay Business Dashboard. authentication with Not publicly specified. Monnify API uses Basic Auth (base64 of apiKey:secretKey) OR OAuth Bearer Token authentication with Not publicly specified.

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