How to Build a Fintech Application with Unified's Payments API

Unified's Payments API enables developers to build fintech applications that seamlessly integrate with various payment providers such as Stripe, PayPal, and GoCardless through a single integration. The guide outlines the prerequisites, including Node.js and a Unified account, and provides a step-by-step process for setting up a project, initializing the SDK, and obtaining a customer's connection ID through Unified's embedded auth flow. It further details functions for listing payments, creating payment links, and managing refunds, payouts, and subscriptions, with example usage demonstrating how these functions can be incorporated into a payment workflow. This approach simplifies the development process by eliminating the need for custom connectors for each payment provider, offering a unified solution for managing financial transactions.