Unlimit (formerly CardPay) API vs Mono Connect API Comparison: Discover the best for Payment Gateways & Processors in Nigeria

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.. Meanwhile, Mono Connect API is best for: Nigerian lenders, neobanks, savings apps, and personal finance tools that need to link customer bank accounts for transaction history, income verification, direct bank debits (DirectPay), and identity verification all via one open banking API covering 30+ Nigerian financial institutions.. Your choice should align with whether your team prioritizes Unlimit (formerly CardPay) API's developer ecosystem or Mono Connect API's specific capability set.

Unlimit (formerly CardPay) API provides a dedicated sandbox testing environment and supports real-time webhooks. Mono Connect API offers sandbox testing and supports real-time webhooks.

Unlimit (formerly CardPay) API pricing: Custom enterprise pricing not publicly listed. Based on volume, payment methods, and regions. Contact Unlimit sales for a merchant pricing quote. No publicly listed free tier.. Mono Connect API pricing: DirectPay: 1% per transaction capped at NGN 1,000. Financial Data (account linking): subscription-based, contact Mono for pricing. Identity Verification: per-verification pricing. Free sandbox available.. Both platforms offer tailored pricing structures for Nigerian transactions.

Unlimit (formerly CardPay) API uses Terminal credentials (Terminal Code + Password) + SHA-512 signature server-to-server authentication for API gateway mode; OAuth 2.0 for some endpoints authentication with Not publicly documented enterprise SLA-based. Mono Connect API uses Client Secret Key (passed as mono-sec-key in request headers) authentication with Not publicly specified.