> ## 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 iPaaS

> Grand Central is a pro-code integration platform that accelerates banking integration development

Grand Central Integration Platform as a Service (iPaaS) is a pro-code platform that accelerates the development, deployment, and management of banking integrations.

The platform provides an engineering-centric environment where you manage infrastructure, application configuration, and deployment workflows through code. Grand Central uses a GitOps approach, so you can self-serve resources, automate deployments, and maintain security standards without waiting on central operations tickets.

## Key capabilities

Grand Central is built on enterprise-grade cloud technologies, including Azure and Kubernetes. The platform hosts connectors, APIs, and event-driven architectures while abstracting infrastructure complexity.

With Grand Central, you can:

* **Build and deploy connectors:** Run integration logic using industry-standard frameworks such as Camel K.
* **Manage APIs:** Publish and secure APIs using Azure API Management (APIM).
* **Handle events:** Implement event-driven patterns using Azure Service Bus.
* **Monitor applications:** View application performance through Datadog or Grafana.

## Pro-code approach

Unlike low-code platforms that use drag-and-drop interfaces, Grand Central treats infrastructure as code (IaC). You interact with the platform primarily through Git repositories.

This approach provides the following benefits:

* **Auditability:** Git commit history tracks every change to infrastructure and application state.
* **Reviewability:** Pull request reviews enforce governance and code quality standards.
* **Automation:** Merged pull requests automatically trigger pipelines that apply changes. This eliminates manual console operations.

## Core repositories

You work with two primary repositories:

| Repository          | Purpose                    | Use cases                                                                                                                                   |
| ------------------- | -------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------- |
| `self-service`      | Provisioning control plane | Manage user access, request repositories, create secrets, and configure platform resources.                                                 |
| `applications-live` | Deployment control plane   | Define runtime configuration for applications across environments (development, staging, UAT) and synchronize cluster state through ArgoCD. |

Separating provisioning from deployment creates a clear boundary between infrastructure management and application lifecycle management.

## Platform terminology

The following sections define the key terms you need to understand when working with the Grand Central platform. For a comprehensive alphabetical glossary, see [Glossary](/platform/reference/glossary).

### Grand Central platform

Grand Central is an integration platform that provides applications for building connectors and agents. The platform also includes pre-built connectors and agents developed by the Grand Central team.

### Independent software vendor (ISV)

An independent software vendor (ISV) is a company that develops, markets, and sells software solutions specifically for the financial services industry.

### Unified APIs

Unified APIs are BIAN-inspired APIs packaged within the scope of a connector. These standardized interfaces abstract the complexity of different ISV implementations into consistent endpoints.

### Connector pack

A connector pack is a collection of connectors within the same business domain of an ISV.

### Connector

A connector is an out-of-the-box integration between the Grand Central platform and a third-party ISV. Each connector maps to one domain API specification.

### Connector types

<CardGroup cols={2}>
  <Card title="Pre-built connector" icon="plug">
    A pre-built connector comes with the Grand Central platform, also referred to as a managed connector. It provides an out-of-the-box integration with an ISV that allows you to unlock data without custom development.
  </Card>

  <Card title="Custom connector" icon="screwdriver-wrench">
    A custom connector is a connector that you build on the Grand Central platform to connect an ISV or a financial institution that doesn't have a pre-built connector available.
  </Card>
</CardGroup>

### Connector domain

A connector domain is the logical grouping of business capabilities and data ownership.

The following table shows the available connector domains:

| Domain                           | Description                                            |
| -------------------------------- | ------------------------------------------------------ |
| Core Banking                     | The system of record for accounts and ledgers.         |
| Customer Relationship Management | The system of engagement for customer data.            |
| Payments Processing              | The functional area for moving money between entities. |
| Onboarding & Origination         | The workflow for acquiring new business.               |
| Data Enrichment                  | A utility domain for enhancing data quality.           |

### Building a connector

Building a connector is the development process of creating a connector on the Grand Central platform. You map the proprietary endpoints of an ISV to Grand Central's Unified APIs and define data transformation logic. The output of this process is a connector definition that is ready to be installed.

### Installing a connector

Installing a connector is the configuration process of activating a connector (either pre-built or custom) within an available connector slot. You input tenant-specific credentials, such as API keys, base URLs, and authentication tokens, to establish a secure link between the Grand Central platform and the external ISV. Once installed, the connector is live and can send and receive data.

### Connector slot

A connector slot is a licensed unit of capacity that allows you to activate one distinct connection to an external system within a specific business domain.

### Sync Hub

Sync Hub is a distributed event streaming tool that you can use when building connectors.

## Next steps

* [Architecture](/platform/architecture): Learn about the platform architecture and components.
* [Security](/platform/security): Review the security model and access controls.
