FastAPI Fundamentals
summary
FastAPI is a lightweight framework for serving JSON APIs that is fast to set up and fast at runtime, installed via pip as fastapi[standard] and run in dev mode for auto-reload and verbose logs. Examples include a JSON hello endpoint, an async calculator using a path operator plus typed query params that auto-convert, and a POST that accepts a Pydantic model with Pydantic validation (length and range checks) returning structured JSON and helpful error messages. Built-in automatic /docs gives interactive, working documentation.
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chapters (8)
- 0:00Introduction to FastAPI
- 3:53Why FastAPI
- 5:19Hello World in FastAPI
- 9:25Path and Query Parameters
- 15:20POST Requests with Pydantic
- 18:13Advanced Validation
- 20:00Automated API Docs
- 21:25Deployment and Resources
