API Error Handling

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Standardizes RESTful API error responses, custom exception classes, circuit breaker patterns, and centralized logging.

API Error Handling equips Claude Code with production-ready patterns for structuring, logging, and recovering from errors in backend services. It provides standard JSON response schemas with request tracing, custom exception classes for Node.js and Python Flask, and resilience patterns like circuit breakers and retry policies to ensure APIs remain resilient, secure, and developer-friendly.

Key Features

01Standardized JSON error schemas with request tracing and detailed validation feedback
02Safe error propagation preventing internal stack trace leaks to clients
03Built-in circuit breaker pattern to prevent cascading service failures
04239 GitHub stars
05Custom error classes and global middleware for Node.js Express and Python Flask
06Integrated logging and monitoring best practices including Sentry support

Use Cases

01Building production-ready REST APIs requiring consistent error formats and request IDs
02Implementing resilience patterns like circuit breakers for microservices and third-party APIs
03Refactoring legacy error handling into centralized, secure error-handling middleware