How to Use Bearer Token Authentication in Postman

Bearer token authentication is the standard security protocol for OAuth 2.0 and modern REST APIs. By transmitting a standard header ( Authorization: Bearer <token_string> ), developers can authenticate and test API endpoints securely. Here is a step-by-step guide on how to handle Bearer tokens in Postman efficiently. 1. Manual Bearer Token Configuration The most straightforward way to use a Bearer token is to paste it directly into an individual API request. Open a request in your Postman workspace. Navigate to the Authorization tab. Select Bearer Token from the Type dropdown menu. Paste your token string into the Token field. Postman will automatically construct the required Authorization: Bearer <token> HTTP header when dispatching the request. 2. Automating Tokens with Variables Hardcoding tokens into every request is tedious and error-prone, especially since tokens frequently expire. Using Postman environment variables streamlines this process. Click the environment selector in the