Originally published at GeekCoding101 .
Below is a table summarizing the different grant types in OAuth 2.0 along with brief descriptions and recommendations regarding their use:
Grant Type Description Recommendation
Authorization Code The most commonly used flow in OAuth 2.0. It involves the exchange of an authorization code for an access token. Suitable for server-side web applications and confidential clients. Recommended for web applications and confidential clients.
Implicit Designed for user-agent-based clients (e.g., browser-based JavaScript applications). Access token is returned directly to the client without an authorization code exchange. Deprecated due to security concerns.
Resource Owner Password Credentials Allows the client to exchange the user's username and password for an access token directly. Generally discouraged due to security implications and lack of federation support.…