# Nucleus Core Banking

- [Introduction](https://docs.onnucleus.com/introduction.md): Welcome to the Nucleus Core Banking API platform — built for modern microfinance, commercial, and digital banks.
- [Quickstart](https://docs.onnucleus.com/quickstart.md): Authenticate and perform your first core banking operations in 5 minutes.
- [Authentication & Keys](https://docs.onnucleus.com/authentication.md): Everything you need to know about API keys, session tokens, and multi-tenant security.
- [Environments](https://docs.onnucleus.com/environments.md): Managing Sandbox, Staging, and Production deployments.
- [Digital Banking & Mobile APIs](https://docs.onnucleus.com/guides/digital-banking-apis.md): Build custom iOS/Android apps and Web Banking portals using the Self-Service API suite.
- [Webhooks & Event Streaming](https://docs.onnucleus.com/guides/webhooks-and-events.md): Real-time asynchronous notification of ledger and transaction events.
- [Customer Onboarding & KYC](https://docs.onnucleus.com/guides/customer-onboarding.md): Personal and Corporate CIF generation, CBN KYC Tiers 1–3, BVN/NIN checks, CAC RC registration, and CABAL management.
- [Accounts, NUBAN & Interest Rates](https://docs.onnucleus.com/guides/accounts-and-nuban.md): CBN NUBAN 10-digit generation, Treasury rate setting, and custom customer rate overrides.
- [Loan Origination & Approvals](https://docs.onnucleus.com/guides/loan-origination.md): End-to-end credit lifecycle: origination, credit bureau appraisal, Head Office approval limits, and disbursement.
- [Teller & Cash Operations](https://docs.onnucleus.com/guides/teller-and-cash.md): Till management, cash deposits, cash withdrawals, and maker-checker vault controls.
- [Transfers & Payments](https://docs.onnucleus.com/guides/transfers-and-payments.md): Intra-bank transfers, NIP inter-bank payments, CBN fee caps, and idempotency guarantees.
- [General Ledger & Accounting](https://docs.onnucleus.com/guides/general-ledger.md): Chart of Accounts, double-entry journal vouchers, financial statements, and Head Office consolidation.
- [Regulatory Returns & Compliance](https://docs.onnucleus.com/guides/regulatory-returns.md): Automated CBN e-FASS, CRMS, NDIC deposit returns, and AML/CFT STR/CTR reports.
- [Installation & Self-Hosting](https://docs.onnucleus.com/guides/installation-guide.md): Production and trial deployment options via Docker Compose and Kubernetes Helm charts.
- [Upgrades & Migrations](https://docs.onnucleus.com/guides/upgrade-guide.md): Zero-downtime rolling upgrades and automatic Liquibase database migrations.
- [API Reference Overview](https://docs.onnucleus.com/api-reference/overview.md): Interactive OpenAPI 3.0 specification covering all 600+ endpoints of the Nucleus Core Banking platform.

## OpenAPI Specs

- [openapi](/openapi.json)

## Optional

- [GitHub](https://github.com/TRSNg/nucleusproject)
- [CBN Guidelines](https://cbn.gov.ng)