What is an Endpoint

Question

I have been reading about OAuth and it keeps talking about endpoints  What is exactly an endpoint

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API stands for Application Programming Interface  It is a way for your application to interact with other applications via an endpoint  Conversely  you can build out an API for your application that is available for other developers to utilize connect to via HTTP methods  which are RESTful  Representational State Transfer  REST    GET  Retrieve data from an API endpoint  PUT  Update data via an API - similar to POST but more about updating info  POST  Send data to an API  DELETE  Remove data from given API

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The endpoint of the term is the URL that is focused on creating a request  Take a look at the following examples from different points    api groups 6 workings 1  api v2 groups 5 workings 2  api workings 3   They can clearly access the same source in a given API

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An endpoint is the  connection point  of a service  tool  or application accessed over a network  In the world of software  any software application that is running and  listening  for connections uses an endpoint as the  front door   When you want to connect to the application service tool to exchange data you connect to its endpoint

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An endpoint is a URL pattern used to communicate with an API

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Come on guys    We could do it simpler  by examples    this-is-an-endpoint  another endpoint  some other endpoint  login  accounts  cart items   and when put under a domain  it would look like   https   example com this-is-an-endpoint https   example com another endpoint https   example com some other endpoint https   example com login https   example com accounts https   example com cart items   Can be either http or https  we use https in the example   Also endpoint can be different for different HTTP methods  for example   GET  item  id  PUT  item  id    would be two different endpoints - one for retrieving  as in  cRud   abbreviation   and the other for updating  as in  crUd    And that s all  really that simple

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The term Endpoint was initially used for WCF services  Later even though this word is being used synonymous to API resources  REST recommends to call these URI  URI s  which understand HTTP verbs and follow REST architecture  as  Resource    In a nutshell  a Resource or Endpoint is kind of an entry point to a remotely hosted application which lets the users to communicate to it via HTTP protocol

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Short answer   an endpoint is an abstraction that models the end of a message channel through which a system can send or receive messages   Ibsen  2010      Endpoint vs URI  disambiguation   The endpoint is not the same as a URI  One reason is because a URI can drive to different endpoints like an endpoint to GET  another to POST  and so on  Example    GET  api agents  agent id    Returns data from the agent identified by  agent id   PUT  api agents  agent id    Update data of the agent identified by  agent id    Endpoint vs resource  disambiguation   The endpoint is not the same as a resource  One reason is because different endpoints can drive to the same resource  Example    GET  api agents  agent id   Produces  application xml     Returns data in XML format  GET  api agents  agent id   Produces  application json     Returns data in JSON format

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Endpoint  in the OpenID authentication lingo  is the URL to which you send  POST  the authentication request   Excerpts from Google authentication API      To get the Google OpenID endpoint  perform discovery by sending either a GET or HEAD HTTP request to https   www google com accounts o8 id  When using a GET  we recommend setting the Accept header to  application xrds xml   Google returns an XRDS document containing an OpenID provider endpoint URL The endpoint address is annotated as     lt Service priority  0  gt   lt Type gt http   specs openid net auth 2 0 server lt  Type gt    lt URI gt  Google s login endpoint URI  lt  URI gt    lt  Service gt    Once you ve acquired the Google endpoint  you can send authentication requests to it  specifying the appropriate parameters  available at the linked page   You connect to the endpoint by sending a request to the URL or by making an HTTP POST request

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It s one end of a communication channel  so often this would be represented as the URL of a server or service

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All of the answers posted so far are correct  an endpoint is simply one end of a communication channel  In the case of OAuth  there are three endpoints you need to be concerned with     Temporary Credential Request URI  called the Request Token URL in the OAuth 1 0a community spec   This is a URI that you send a request to in order to obtain an unauthorized Request Token from the server   service provider   Resource Owner Authorization URI  called the User Authorization URL in the OAuth 1 0a community spec   This is a URI that you direct the user to to authorize a Request Token obtained from the Temporary Credential Request URI   Token Request URI  called the Access Token URL in the OAuth 1 0a community spec   This is a URI that you send a request to in order to exchange an authorized Request Token for an Access Token which can then be used to obtain access to a Protected Resource     Hope that helps clear things up  Have fun learning about OAuth  Post more questions if you run into any difficulties implementing an OAuth client

[api] What is an Endpoint?

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