You can write a power query function to get token,then use this function as the parameter to call the api. ... From then on the logic looks quite the same as with Forms Based Authentication. ASP.NET Web API is a service which can be accessed over the HTTP by any client. I’ll explain this step by step. This LTPA token has the prefix LtpaToken2. Almost every REST API must have some sort of authentication. RESTful services and Claims Authentication. Authentication & Authorization. An STS is simply something that is responsible for handling the issuing of the so called Claims. Basic Authentication Authorization Websites using WebAPIs as RESTful services may need to implement login/logout for a user, to maintain sessions for the user, to provide roles and permissions to their user, all these features could be achieved using basic authentication and token based authorization. The user can log out by using the HTTP DELETE method, and can query the log in information of the current user with the HTTP GET … Token-based frameworks also offer an advantage in striving for a stateless REST web service, compared with utilizing session for maintaining application/user state. Basic Authentication An LTPA token is generated that enables the user to authenticate future requests. ... What this URL points to is your Security Token Service (STS). Token Based Authentication in Web API. While both options offer a secure solution for a C# ASP .NET MVC web application, token-based authentication excels, in particular, with cloud-compatibility. Download @ GitHub Please read our previous article where we discussed how to implement Client-Side HTTP Message Handler with some examples. Authorization for REST service based routes with HTTP Basic Authentication Problem Description When implementing a REST service in a Mediation route using the cRest component as route consumer, Studio provides three ways to authenticate the service: HTTP Basic, SAML Token… OpenID Connect is a simple identity layer on top of the OAuth 2.0 protocol, which allows computing clients to verify the identity of an end-user based on the authentication performed by an authorization server, as well as to obtain basic profile information about the end-user in an interoperable and REST-like manner. So, providing security to the Web API is very important, which can be easily done with the process called Token based authentication. First we should verify that a given request, accessing a secured resource/API endpoint, comes with credentials (usually username and a password or access token in our case). Users of the REST API can authenticate by providing a user ID and password to the REST API login resource with the HTTP POST method. Websites using WebAPIs as RESTful services may need to implement login/logout for a user, to maintain sessions for the user, to provide roles and permissions to their user, all these features could be done using basic authentication and token-based authorization. I'll explain this step-by-step. Wait a minute, we are talking about authentication but why the Authorization header? So you have created a restful web service and now you need to secure your endpoints from unauthorized access. In this article, I am going to discuss how to implement Token Based Authentication in Web API to secure the server resources with an example. According to your description, you want to get the token of restful api, right? For detail information about get token, you can refer below article: REST API Token-based Authentication . As part of this article, we are going to discuss the following pointers. RESTful API Authentication Basics 28 November 2016 on REST API, Architecture, Guidelines, API, REST API Security. One of the most common headers is call Authorization. Authentication vs. Call API Sample: