> ## Documentation Index
> Fetch the complete documentation index at: https://grandcentral.backbase.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Grand Central

> Connect, integrate, and scale your banking ecosystem with Grand Central's unified API platform

Grand Central is the unified API platform for banking integrations. Connect your core banking systems, third-party services, and applications through standardized APIs, built-in connectors, and data orchestration.

<CardGroup cols={2}>
  <Card icon="server" href="/platform/overview" title="Platform overview">
    Learn about Grand Central's architecture, components, and enterprise capabilities
  </Card>

  <Card icon="rocket" href="/connectors/getting-started" title="Get started with connectors">
    Deploy your first connector integration in minutes with our step-by-step guide
  </Card>
</CardGroup>

## What is Grand Central?

Grand Central is Backbase's integration platform that enables banks to:

* **Unify disparate systems** through standardized APIs
* **Accelerate time-to-market** with pre-built connectors
* **Ensure compliance** with built-in security and audit capabilities
* **Scale** across multiple banking domains

The following sections describe the platform's key features.

<AccordionGroup>
  <Accordion icon="layer-group" title="Unified API layer">
    Create a consistent API experience across all your banking services, regardless of the underlying system architecture.
  </Accordion>

  <Accordion icon="puzzle-piece" title="Pre-built connectors">
    Leverage our extensive library of banking connectors for payments, account management, lending, and more.
  </Accordion>

  <Accordion icon="arrows-rotate" title="Real-time data sync">
    Keep your systems synchronized with real-time data flow and event-driven architecture.
  </Accordion>

  <Accordion icon="shield-check" title="Enterprise security">
    Built-in security controls, encryption, and compliance frameworks for banking-grade protection.
  </Accordion>
</AccordionGroup>

## Core architecture components

<CardGroup cols={2}>
  <Card title="Connectors" icon="plug" href="/connectors/getting-started">
    Pre-built integrations that connect Grand Central to banking systems, third-party services, and APIs
  </Card>

  <Card title="Unified APIs" icon="code" href="/connectors/reference/unified-api-specifications">
    Standardized interfaces that abstract complex banking operations into consistent endpoints
  </Card>

  <Card title="Domains" icon="sitemap">
    Logical groupings of related banking capabilities like payments, accounts, lending, and compliance
  </Card>

  <Card title="Data orchestration" icon="shuffle">
    Real-time data flow management between different systems and services
  </Card>
</CardGroup>

## Integration patterns

Grand Central implements proven integration patterns for banking data orchestration.

### Event-driven architecture

Grand Central uses event-driven patterns to ensure real-time data synchronization across your banking ecosystem. The following diagram shows how data flows from your core banking system through Grand Central to various channels:

```mermaid theme={"system"}
%%{init: {
  'theme': 'base',
  'themeVariables': {
    'primaryColor': '#ffffff',
    'primaryBorderColor': '#295eff',
    'primaryTextColor': '#091c35',
    'lineColor': '#091c35',
    'secondaryColor': '#f3f6f9',
    'tertiaryColor': '#ebf0f5',
    'fontFamily': 'Libre Franklin, sans-serif'
  }
}}%%
graph LR
    A[Core banking] --> B[Grand Central]
    B --> C[Mobile app]
    B --> D[Web portal]
    B --> E[Third-party APIs]
```

### API gateway pattern

All external integrations flow through Grand Central's unified API layer, providing:

* **Consistent authentication** across all services
* **Rate limiting** and throttling controls
* **Request/response transformation** for legacy systems
* **Comprehensive logging** and audit trails

## Banking domains

<AccordionGroup>
  <Accordion title="Payments domain" icon="credit-card">
    Handles all payment-related operations including transfers, bill payments, and international remittances.

    **Key features:**

    * Real-time payment processing
    * Multi-currency support
    * Fraud detection integration
    * Regulatory compliance (PSD2, Open Banking)

    [Explore payment connectors](/connectors/payments/overview)
  </Accordion>

  <Accordion title="Account management" icon="bank">
    Manages customer accounts, balances, and transaction history across multiple core banking systems.

    **Key features:**

    * Account aggregation
    * Real-time balance updates
    * Transaction categorization
    * Multi-bank support

    [Explore core banking connectors](/connectors/core-banking/overview)
  </Accordion>

  <Accordion title="Identity and security" icon="shield-check">
    Provides secure authentication, authorization, and customer identity management.

    **Key features:**

    * SSO integration
    * Multi-factor authentication
    * Identity verification
    * Compliance reporting

    [Explore KYC/KYB connectors](/connectors/kyc-kyb/overview)
  </Accordion>

  <Accordion title="Lending and credit" icon="chart-line">
    Supports loan origination, credit scoring, and lending workflow automation.

    **Key features:**

    * Credit bureau integration
    * Automated underwriting
    * Document processing
    * Regulatory reporting
  </Accordion>
</AccordionGroup>

## Data flow principles

All integrations follow consistent principles for data handling.

### Consistency

All data transformations follow consistent patterns regardless of the source or destination system.

### Reliability

Built-in retry mechanisms, dead letter queues, and circuit breakers ensure reliable data delivery.

### Scalability

Horizontal scaling capabilities handle increasing transaction volumes and system loads.

### Security

End-to-end encryption, audit logging, and compliance controls protect sensitive banking data.

## Quick start

Ready to integrate with Grand Central? Choose your path:

<Steps>
  <Step title="Understand the platform">
    Review the [core architecture](#core-architecture-components) and [integration patterns](#integration-patterns)
  </Step>

  <Step title="Set up your first connector">
    Follow the [Get started](/connectors/getting-started) guide to deploy your first integration
  </Step>

  <Step title="Explore payment APIs">
    Discover the [payment domain](/connectors/payments/overview) capabilities
  </Step>

  <Step title="Go live">
    Use the [Get started](/connectors/getting-started) guide for production deployment
  </Step>
</Steps>

<Info>
  Ready to implement? Follow the [Get started](/connectors/getting-started) guide to deploy your first connector. For definitions of Grand Central terminology, see [Platform terminology](/platform/overview#platform-terminology).
</Info>