What is Bearer token and How it works?

Bearer tokens are a much simpler way of making API requests, since they don’t require cryptographic signing of each request. The tradeoff is that all API requests must be made

CURL with 'Bearer token' works fine but same API isn't working on POSTMAP - Stack Overflow

OAuth2 Overview

Securing multiple Auth0 APIs in ASP.NET Core using OAuth Bearer tokens

JWT Authorization Grant (RFC 7523 2.1) - Authlete

Bizagi Studio > Security definition > Work Portal Security > Work Portal Authentication > OAuth authentication

Connect to web using Bearer Token stored in parame - Microsoft Fabric Community

JWT authorization code flow

Authorize access to REST APIs with OAuth 2.0 - Azure DevOps

OAuth 2.0 Resource Server :: Spring Security

SAP Cloud Integration (CPI) and PI/PO – Implement an OAuth JWT Bearer Flow on the Example of the Google API