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shuremali02
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Backend API Routes Skill

Implement FastAPI route handlers with /api prefix, DI, Pydantic, and JWT isolation.

Updated Dec 28, 2025
Search Tags:#api#pydantic#routing#fastapi#sqlmodel#jwt#dependency-injection
One-click install
npx skills add https://github.com/shuremali02/The-Evolution-of-Todo---Mastering-Spec-Driven-Development---Cloud-Native-AI --skill backend-api-routes-skill-shuremali02
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: Backend API Routes Skill
Source: https://github.com/shuremali02/The-Evolution-of-Todo---Mastering-Spec-Driven-Development---Cloud-Native-AI/tree/main/.claude/skills/backend-api-routes
Command: npx skills add https://github.com/shuremali02/The-Evolution-of-Todo---Mastering-Spec-Driven-Development---Cloud-Native-AI --skill backend-api-routes-skill-shuremali02

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

All API routes in a FastAPI project often diverge in structure and security, leading to maintenance overhead and potential gaps. This Skill prescribes a consistent, secure pattern for organizing endpoints under /api, using dependency injection for DB sessions, validating requests with Pydantic models, and enforcing user isolation via JWT middleware.

Core Features & Use Cases

  • Route structure under /api with APIRouter and proper OpenAPI tagging
  • Dependency injection for database sessions via Depends(get_db)
  • JWT-based user isolation enforcement for protected endpoints
  • Pydantic-based request/response models and standardized error handling
  • Service-layer delegation for business logic and consistent HTTP responses

Quick Start

Define a sample route at /api/users/{user_id}/items that uses APIRouter, injects the DB session with Depends(get_db), and enforces JWT verification to return a standardized response.

Frequently Asked Questions about Backend API Routes Skill

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

FAQPage Schema
How do I structure FastAPI routes with a universal /api prefix and APIRouter?▼

FastAPI route structure uses APIRouter instances to group endpoints, enforcing a universal /api prefix and applying OpenAPI tags to ensure consistent API organization across the project.

How does dependency injection work for database sessions in FastAPI?▼

FastAPI dependency injection uses Depends(get_db) to manage database sessions, automatically handling session creation and teardown while allowing service-layer delegation for business logic execution.

How do I enforce JWT-based user isolation in FastAPI endpoints?▼

JWT-based user isolation is enforced by applying JWT verification dependencies to protected FastAPI endpoints, ensuring that authenticated users can only access their own isolated data resources.

What is the best way to validate FastAPI request data using Pydantic and SQLModel?▼

FastAPI request validation uses Pydantic models to define request and response schemas, automatically validating incoming payloads and generating standardized error handling for invalid data formats.

Can I use a service-layer pattern with FastAPI routing for business logic separation?▼

FastAPI routing supports the service-layer pattern by using dependency injection to pass database sessions, allowing route handlers to delegate business logic execution to dedicated service modules for consistent HTTP responses.

Does this FastAPI route pattern apply standardized error handling and response formats across all endpoints?▼

FastAPI route patterns enforce standardized error handling and consistent HTTP response formats across all endpoints, ensuring robust compliance with security and testing requirements throughout the project.

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