Re OAuth 2 Flow Error getting token due to bad request

Download 1M+ code from https://codegive.com/6894845 okay, let's dive deep into oauth 2.0, specifically focusing on troubleshooting "bad request" errors you might encounter when trying to obtain an access token. this is a common pain point for developers, and understanding the underlying causes and how to diagnose them is crucial. **understanding oauth 2.0 and the "bad request" error** oauth 2.0 is an authorization framework that allows applications to obtain limited access to user accounts on an http service, like google, facebook, github, or a custom api you've built. it's designed to let users grant access without sharing their credentials (username and password) directly with the application requesting access. the process usually involves these steps: 1. **authorization request:** your application redirects the user to the authorization server (e.g., google's login page). this request includes parameters like `client_id`, `redirect_uri`, `response_type`, and `scope`. 2. **user authorization:** the user authenticates with the authorization server (e.g., logs in) and grants or denies your application's requested permissions (scopes). 3. **authorization code (or implicit grant token):** if the user grants permission, the authorization server redirects the user back to your application's `redirect_uri`, including an authorization code (or a token directly in the implicit grant type). this is a one-time-use code (if using the authorization code grant type). 4. **token request (authorization code grant):** your application makes a server-to-server request to the authorization server's token endpoint. this request includes the authorization code, `client_id`, `client_secret`, `redirect_uri`, and `grant_type`. 5. **token response:** if everything is correct, the authorization server responds with an access token (and possibly a refresh token and id token). the access token is used to make api calls on behalf of the user. **the "bad request" error (http status code 400)** the "bad request" error (http 400) ... #OAuth2 #TokenError #coding Re OAuth 2 Flow token error bad request authentication issue authorization code access token token endpoint API request OAuth error handling client credentials response error invalid request redirect URI scope parameter error message