API Request Validation
Implements robust data validation for Python web frameworks like FastAPI using Pydantic models and custom validation logic.
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Key features
- Advanced cross-field, query parameter, and file upload validation
- Pydantic model integration for request body validation
- Standardized error response structures for validation failures
- Custom validator functions for specific formats like email and password strength
- Reusable collection of Python validator scripts and FastAPI exception handlers
Use cases
- Standardizing error response formats across an entire Python API project
- Implementing complex business logic validation involving multiple input fields
- Building secure FastAPI backends that require strict input sanitization
FAQ
How does this skill improve my coding workflow?
It significantly reduces manual boilerplate by providing Claude with pre-built patterns for validation. This ensures your API has a consistent error-handling structure and adheres to best practices without you having to write every validator from scratch.
Is this skill restricted only to FastAPI?
While the skill is optimized for FastAPI and Pydantic, the underlying Python scripts and custom validation logic can be easily adapted for any Python framework that uses Pydantic for data modeling and schema enforcement.
What does the API Request Validation skill do?
This skill enables Claude to automatically implement and optimize robust data validation logic in Python web frameworks. It specifically leverages Pydantic models to ensure incoming API data is accurate, secure, and properly formatted.
What specific capabilities does this skill provide?
The skill includes Pydantic model integration, custom validator functions (for emails and passwords), cross-field logic, query parameter constraints, and standardized exception handlers for consistent API error responses.
When should I use this Claude Code skill?
Use this skill during the development of Python-based APIs when you need to validate request bodies, query parameters, or file uploads. It is ideal for enforcing rules like password strength, email formatting, and complex multi-field dependencies.