How to Build a Customer Relationship Management System with FastAPI and SendGrid

This article provides a step-by-step guide on building a Customer Relationship Management (CRM) system using FastAPI and SendGrid. The prerequisites include a free Sendgrid account, the latest version of Python 3 installed, an IDE of choice, and a database to store and manage data efficiently. The tutorial covers setting up the project, creating the necessary folders for models, schemas, CRUD operations, services, and API endpoints, setting up PostgreSQL database and user, building the Python application, creating database models with SQLAlchemy, using Alembic tool to manage database migrations, creating functions for CRUD operations, creating Pydantic Schemas for data validation, sending emails with SendGrid, integrating marketing campaigns, testing the CRM API endpoints, and exploring future possibilities for SendGrid CRM applications.