This article was originally published on AI Study Room . For the full version with working code examples and related articles, visit the original post. API Authentication Methods API Authentication Methods API Authentication Methods API Authentication Methods API Authentication Methods API Authentication Methods API Authentication Methods API Authentication Methods API Authentication Methods API Authentication Methods Introduction API authentication verifies the identity of clients calling your API. Choosing the right authentication method depends on the threat model, client type, and operational requirements. This guide covers the four dominant approaches and their appropriate use cases. API Keys API keys are the simplest form of API authentication. A static token is issued to each client and included in every request.…