fastapi-expert

Build asynchronous FastAPI APIs with Pydantic V2 and JWT authentication.

Updated Feb 1, 2026

Search Tags:#pydantic #fastapi #jwt #async #sqlalchemy #websocket

Ready to run

npx skills add https://github.com/Agentic-Assets/Agent-Skills --skill fastapi-expert-agentic-assets

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: fastapi-expert
Source: https://github.com/Agentic-Assets/Agent-Skills/tree/main/skills/fastapi-expert
Command: npx skills add https://github.com/Agentic-Assets/Agent-Skills --skill fastapi-expert-agentic-assets

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Building robust, high-performance asynchronous APIs with FastAPI and Pydantic V2, ensuring strong typing and scalable patterns.

Core Features & Use Cases

Async endpoints and dependency injection with FastAPI
Pydantic V2 validation, JWT authentication, WebSocket support
OpenAPI documentation generation and production-grade defaults
Use Case: Modern API service needing speed, correctness, and security

Quick Start

Create a FastAPI app skeleton configured with Pydantic V2 models, async SQLAlchemy, and JWT auth.

Frequently Asked Questions about fastapi-expert

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I build async FastAPI APIs with Pydantic V2 and SQLAlchemy?▼

You can build async FastAPI APIs by applying type hints, Pydantic V2 validation, dependency injection, and async SQLAlchemy integration throughout endpoints and data access layers for production-grade performance.

What's the best way to add JWT authentication to a FastAPI application?▼

Adding JWT authentication to a FastAPI application is best handled by enforcing dependency injection and async I/O, ensuring secure token validation integrated directly within your async endpoints.

Does FastAPI work with WebSockets and automatic OpenAPI documentation?▼

FastAPI works seamlessly with WebSockets and automatically generates OpenAPI documentation, providing production-grade defaults while maintaining strong typing and scalable asynchronous patterns.

How do I set up a FastAPI app skeleton configured with async SQLAlchemy and JWT auth?▼

To set up a FastAPI app skeleton, you configure Pydantic V2 models alongside async SQLAlchemy and JWT auth, establishing a foundation with enforced type hints and async I/O.

Why use Pydantic V2 for validation in async FastAPI endpoints?▼

Use Pydantic V2 for validation in async FastAPI endpoints to ensure strong typing, robust data validation, and scalable patterns that guarantee correctness and high-performance asynchronous API operations.

Can I use dependency injection for async I/O throughout FastAPI data access?▼

You can use dependency injection to enforce async I/O throughout FastAPI endpoints and data access, ensuring consistent asynchronous operations when integrating with async SQLAlchemy and JWT authentication.