A Generic Page

The back-end could be a RESTful API (or GraphQL) that handles business logic, database interaction, and communication with third-party services. Examples of tasks handled by the API: User authentication via Okta to validate JWT tokens. Transaction management via integrations with Saferpay for payment processing and Xero for invoice and accounting management. User management and authorization for different parts of the application. Transaction data synchronization between various APIs (Xero, Saferpay, OKX) to track payments, generate reports, and handle errors. Possible technologies for the back-end: Node.js with frameworks like Express.js to build a REST API. GraphQL for querying services more efficiently if you need more flexibility in API calls.

Since you mentioned using Okta for authentication management, the back-end will likely be set up to: Validate JWT tokens (JSON Web Tokens) for each request, ensuring that only authenticated requests can interact with protected resources. Manage user sessions and access roles for various parts of the application.