Developer Documentation

Keystone Open Banking API Documentation

Comprehensive API services for payments, verification, collections, and more. Build secure fintech applications with our developer-friendly APIs.

Explore Our APIs

Choose from our suite of financial APIs to power your application

Virtual account creation, balance inquiries, and comprehensive account management services.

KYC operations, customer creation and verification, tier upgrades, and information management.

Fund transfers, transaction history, bulk operations, interbank services, and fee settlement.

Temporary account creation and management for specific financial operations with settlement handling.

Real-time event notifications with webhook registration, management, and testing capabilities.

Jump straight into the most commonly used parts of the API.

Learn how authentication works and make your first API call.

Open virtual accounts, run name enquiries, and check balances.

Create transfers, run interbank name enquiries, and inspect history.

Focus on Accounts, Transactions, and Webhooks to integrate payments and collections.

Understand how customers, accounts, and transient accounts map to your business workflows.

Review customer KYC flows and webhook configuration for secure event handling.