Create 10 practical methods and best practices for the secure development of APIs using JSON Web Tokens (JWT) for authentication and authorization to effectively protect modern web applications against unauthorized access.

Context: [API development, security, JWT, authentication, authorization, web development, token management, security vulnerabilities, best practices, REST APIs]

Goal: [Increase API security, avoid common security mistakes, practical implementation of JWT-based authentication mechanisms, protection of sensitive data and endpoints]

For each method explain:
1) a concrete technical approach or security measure (e.g., token verification, secure storage, expiration times, refresh tokens)
2) implementation hints in typical API frameworks (e.g., Node.js, Python, Java)
3) tips to avoid common mistakes and security risks

The methods should:
- be easy to understand and technically precise
- be relevant for both backend developers and API designers
- help make APIs more robust against attacks
- be practical and immediately applicable in current projects