Handling Financial Services with Square API in Python Course Syllabus

Full curriculum breakdown — modules, lessons, estimated time, and outcomes.

Overview: This course provides a hands-on introduction to integrating Square's financial services APIs using Python. You'll learn to securely manage customer data, process payments, and handle real-time events with OAuth and Webhooks. Designed for beginner Python developers, the curriculum spans six modules totaling approximately 12.5 hours, combining foundational setup with practical application development in a sandbox environment. By the end, you’ll deploy an end-to-end financial service app.

Module 1: Introduction to Square APIs

Estimated time: 1 hours

Overview of Square platform and ecosystem
Understanding API categories and use cases
Navigating the Square Developer Portal
Exploring API documentation and tools

Module 2: Setting Up the Python Environment

Estimated time: 1.5 hours

Installing required Python dependencies
Configuring Postman for API testing
Understanding authentication methods
Making first API request with sandbox credentials

Module 3: Building a Customer Profile App

Estimated time: 2 hours

Creating customer records using Customers API
Retrieving and updating customer data
Deleting customer profiles securely
Building a CLI app for customer management

Module 4: Orders and Payments Integration

Estimated time: 3 hours

Creating and retrieving orders with Orders API
Calculating order totals and fees
Processing payments using Payments API
Building a transactional system in Python

Module 5: OAuth and Webhooks

Estimated time: 2 hours

Implementing OAuth for third-party authentication
Handling user permissions and tokens
Setting up Webhooks for real-time event tracking
Testing secure callback workflows

Module 6: Final Project