Mono API
Banking & Fintech
Mono is Nigeria's leading open banking and financial data infrastructure platform, enabling developers to connect their users' Nigerian bank accounts and access real-time financial data through a single, developer-friendly API. Mono provides account linking, statement retrieval, identity verification, and direct debit capabilities across over 20 Nigerian banks including GTBank, Access Bank, Zenith Bank, UBA, First Bank, Kuda, Opay, PalmPay, and all major commercial banks in Nigeria.
Mono API Highlights
Mono API is verified for developer integrations in Nigeria and across African markets, providing documented endpoints, sandbox testing, and developer support.
API Key
Rate limits apply per API key. Contact Mono for specific limits based on plan tier.
Nigeria
Ghana
Kenya- Free tier available for development and testing
- Production pricing is per API call account linking, statement pulls, and direct debits each priced per transaction
- Contact Mono for volume pricing
Mono API Core Features & Capabilities
Features Included
Not Supported
Mono API Supported Webhook Events
Requests include a mono-webhook-secret header matching your Mono secret key.
| Event Name | Trigger & Description |
|---|---|
mono.events.account_connected | Customer linked and authenticated their bank account. |
mono.events.account_updated | Customer account data and balance refreshed. |
mono.events.transaction_created | New bank transaction detected on connected account. |
mono.events.reauthorisation_required | Customer needs to re-enter bank credentials. |
Required Access Documents for Mono API
Different Mono API use cases
- Instant Credit Scoring for Nigerian Lending App:Use Mono Connect to let loan applicants link their Nigerian bank account; retrieve 6-12 months of transaction history for automated income detection, spending analysis, and credit scoring reducing loan approval time from days to minutes.
- Automated Bank Statement Analysis for Nigerian BNPL:Replace PDF statement uploads in a Nigerian buy-now-pay-later onboarding flow with Mono's account linking widget getting structured, machine-readable transaction data for instant creditworthiness assessment.
- Recurring Payments via Direct Debit for Subscription App:Use Mono DirectPay to collect monthly subscription fees from Nigerian users by pulling directly from their linked bank accounts avoiding card payment failures and reducing churn from expired or declined cards.
- Financial Health Dashboard for Nigerian PFM App:Connect a user's Nigerian bank accounts through Mono to power a personal finance manager that automatically categorizes spending, tracks income, identifies recurring bills, and visualizes savings progress.