OAuth vs API Keys vs JWT: Which Authentication Method Should Your REST API Use in 2026?
September 1, 2026
You’re building a REST API and you need to lock it down. You’ve got three main options, API Keys, JWT, and OAuth 2.0. They’re not interchangeable, and picking the wrong one will either leave you exposed or buried in unnecessary complexity.This guide breaks down OAuth vs API Keys vs JWT in a way that helps you make a clear, defensible decision, not just understand the theory.Why This Decision…