Web api status code 401 reasonphrase unauthorized 1 status is returned when you use Pre-Authentication headers with Internet Explorer and Internet Information Services (IIS). I am getting the StatusCode 401 when trying to call the PostAsync Method. NET Core Web API that uses Microsoft Entra ID authentication. The WPF desktop application however is receiving an Unauthorized response when submitting the request: Feb 2, 2017 · Dynamics WEB API returns on post -StatusCode: 401, ReasonPhrase: 'Unauthorized' Asked 8 years, 3 months ago Modified 8 years, 3 months ago Viewed 366 times Nov 4, 2019 · Can you please provide us the request headers and the response headers along with the request body of the failed API call to investigate on the cause of Error 401? Provides troubleshooting steps to an issue in which you are getting unauthorized errors (401) while invoking APIs. [ERROR] [ERROR] For more information about the errors and possible solutions, please read the following articles: Aug 23, 2023 · 博客围绕Java-Maven展开，介绍解决maven deploy报401错误的方法，通过检查并修改maven配置文件解决权限问题。还阐述了mvn package、install、deploy命令的区别，以及跳过测试代码的两种方式和它们的差异，帮助开发者更好使用Maven。 Jan 21, 2020 · StatusCode: 401, ReasonPhrase: 'Unauthorized Request', Version: 1. DownstreamApi (2. Mar 27, 2016 · asp. Jun 2, 2023 · I am actually trying to call some Azure devops API using Basic Authentication and Personal Token. Today, our Experts will take us through the 401 Unauthorized Error, why it happens, and provide a step-by-step checklist to resolve it. i am not able to figure out what is wrong in my http call. Sep 25, 2025 · Learn everything about HTTP status code 401 Unauthorized: its meaning, causes, and fixes. In this article, I will discuss How to Return 401 HTTP Status Code from the ASP. By understanding its mechanisms, developers and security professionals can create robust, secure authentication systems that protect sensitive digital assets. I can use ADAL with a C# console App and it works fine. statusCode: 401, reasonPhrase: Unauthorized And it keeps telling me to configure JIRA which I have done again and again but it doesn't work anymore. Http. The full name is “401 Unauthorized” or “HTTP 401,” as defined in the HTTP specification RFC 7235. SOLUTION Please ensure to check the following: Ensure that your user has assigned Exchange Administrator permission as per Oct 25, 2021 · Maven is configured with built-in defaults that work in most cases, and the standard Maven-aware repository servers like Nexus and Artifactory will work with them with minimal configuration. Cut out the custom configuration you have for maven-deploy-plugin and let it use the default setup. NET Core 8 Web API to Azure App Service and I’m securing it using OAuth 2. net azure-functions http-status-code-401 asked Apr 25, 2023 at 9:40 Jorge 123 2 2 15 Nov 4, 2019 · Can you please provide us the request headers and the response headers along with the request body of the failed API call to investigate on the cause of Error 401? May 15, 2013 · The solution above applies if you're using calling MVC Core Web API and getting 401 "Unauthorised" responses. net-web-api http-status-code-401 unauthorized edited Mar 27, 2016 at 5:40 Pang 10. This comprehensive guide will help you troubleshoot and resolve this common issue, so you can get back to coding quickly. Discover how it differs from 403 Forbidden, and how to debug and test 401 errors using Apidog for smoother API development. It was working fine for me earlier. An unexpected 401. NET Core Web API Application with Examples. 26. Instead, add a distributionManagement section with a repository for your server, and make sure you have . When I provide a Basic Authorization header Apr 19, 2019 · @anon22528121 Basic authentication has been deprecated and can no longer be used to authenticate against the Jira Cloud REST API. DefaultRequestHeaders. [ERROR] Re-run Maven using the -X switch to enable full debug logging. e. I'm currently receiving a 401 response Sep 15, 2023 · Unexpected status code received from API: 401, {\"code\":401,\"message\":\"Unauthorized\" sonia I'm New Here A 401 Unauthorized response status code indicates that the client request hasn't been completed because it lacks valid authentication credentials for the requested resource. When I try the same URL with cURL on my local it returns the page and HTTP 200. I've used basic Aug 11, 2017 · 我正在尝试通过HTTP Client并传递AuthToken来访问API的Post方法。当我试图在post man中访问时，我能够获得响应，但是当我在C#中运行时，我得到了StatusCode: 401，ReasonPhrase：'Unauthorized‘错误。我正在与我的代码一起分享Postman的请求和响应屏幕。谁能让我知道我在代码中做的错误，以及如何解决这个问题 May 18, 2022 · A detailed explanation of what a 401 Unauthorized Error response is, including troubleshooting tips to help you resolve this error. NET 8 MAUI Asked 1 year, 7 months ago Modified 1 year, 7 months ago Viewed 377 times Sep 2, 2024 · Solved: Hi there, I am trying to connect to the RESTful api using c#, but having some difficulties getting the syntax correct. StreamContent, Headers: { X-Content-Type-Options: nosniff Strict-Transport-Security: max-age=31536000; includeSubDomains; preload Date: Tue, 21 Jan 2020 08:53:12 GMT Server: nginx WWW-Authenticate: Basic realm="Mollie API Key" Content-Length: 209 Return code is: 401, ReasonPhrase: Unauthorized". NET Core from some middleware? In previous versions (full framework), I would do the following: context. Gets or sets the reason phrase, which typically is sent by servers together with the status code. In order to help you better, can you share your code snippets calling the endpoint? May 26, 2025 · I’ve deployed an ASP. Setup: App Service Authentication (Easy Auth) is enabled. SharePoint 2013 workflow HTTP Unauthorized in SharePoint Online - SharePoint Nov 15, 2024 · Can someone give an example? I matched the api version the same as the model deployment endpoint's target uri- for example, (Note that the real address is masked with [azureopenai-resourcename] since everyone's case will be different)… Apr 8, 2024 · Hello! I’m trying to set up an HTTP check synthetic transaction (Grafana) to check the health (up/down) of my Jenkins server, but I always get a HTTP 401 back, when I expect a HTTP 200 since I’m connecting to an unauthenticated endpoint (https://my-jenkins-host/). Net Aug 1, 2024 · Can someone give an example? I matched the api version the same as the model deployment endpoint's target uri- for example, (Note that the real address is masked with [azureopenai-resourcename] since everyone's case will be different)… Nov 4, 2021 · 401エラーとは？ 401エラーとは、「Unauthorized」とも呼ばれ、あるWebサイトへログインする際、認証に失敗した場合やそのサイトへのアクセス権限がない場合に表示されるHTTPレスポンスステータスコードです。 May 7, 2020 · Started with existing AAD app registrations (one for the c# console and one for the Web API that was created using ASP. xml, this works. The response had HTTP status code 401. Dec 9, 2017 · Return code is: 401, ReasonPhrase: Unauthorized. If you do so, the Unauthorized response would be something of the past. xml. i am calling their one of the API where passing user id,pwd and access key but always getting 401 status code. It is not about securing your ServiceNow instance or authentication issues on the platform. NET Core Web API Controller Action method with Examples. StreamContent, Headers: Jan 31, 2014 · When using httpClient to connect to twitter I Always get this response responseString{StatusCode: 401, ReasonPhrase: 'Unauthorized', Version: 1. Token is successfully obtained but Http GET returns 401 when calling the Web API. com/mule-user- Now, whenever your user tries to access protected resources on your Web Api endpoints, you should retrieve the Jwt Token from the local storage, and add it to the request header. So azure function is consumed by an Android app, in the appcenter logs, i am… Oct 7, 2025 · HTTP 401, often referred to as "Unauthorized Error", is an HTTP status code. May 9, 2025 · Provides guidance for troubleshooting and resolving 401 Unauthorized errors in an ASP. Jul 16, 2025 · This is one of the most common HTTP status codes users encounter, especially when dealing with secured content or services. Jun 1, 2019 · Solved: 401 Unauthorized error message is displayed JIRA rest api while running Curl command. 1, Content: System. Identity. Apr 17, 2024 · 401 Unauthorized: Consuming web api with JWT authentication in . That said, you need to look at the user account and role being used to connect to the table from the API. But for some reason I keep getting error 401 - Unauthorized. Oct 26, 2019 · maven Could not transfer metadata private repo : Not authorized , ReasonPhrase:Unauthorized Asked 5 years, 10 months ago Modified 5 years, 10 months ago Viewed 2k times Feb 11, 2023 · I have a WebAssembly blazor application and a web service api with a method protected by the [Authorize] tag. Apr 7, 2025 · If you are browsing the web regularly, encountering errors such as “401 Unauthorized Error” is a familiar occurrence. Jul 4, 2019 · In JFrog CLI version 1. In this article, we’ll examine the 401 Error in more detail. CAUSE The reason for this is that the account that you are using is not authorized to publish assets to the Anypoint Exchange that you have specified in your pom. 17 I have a standard Web API running on an Azure website with Azure AD authentication enabled, when browsing to the API in a browser I am able to login via the browser and gain access to the API. Apr 26, 2017 · I am new to the C# HttpClient class and I hope you guys & gals can help me out with my problem. In other words, the API expected an API key (or another form of authentication), but it was missing, invalid, or rejected. -> [Help 1] [ERROR] [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch. Jul 2, 2020 · I am trying to get the code from the ServiceSample application from github to work, more specifically the JsonConsoleApplication code. Oct 2, 2022 · I tried to run this in Rest client with basic Authentication using my token and I get message back error 401, Unauthorized. Dec 26, 2018 · SignalR in ASP. What am I missing? Jul 1, 2023 · Return code is: 401, ReasonPhrase: Unauthorized. Oct 1, 2025 · The 401 (Unauthorized) status code indicates that the request has not been applied because it lacks valid authentication credentials for the target resource. 2k 146 87 126 Aug 10, 2022 · I am working with Nasdaq Fund Network Data Service first time. Net. Feb 22, 2024 · Can someone helpe eme on How can I resolve the Azure Cognitive Services API returning 401 Unauthorized error when accessing the service from my application? Jul 19, 2023 · Hello @ MuthuKumaranMurugaachari-MSFT "Error: SyntaxError: Unexpected end of JSON input" is on the HTML page when the "Call API" button is used --> This is the main issue I am trying to fix. 0 Bearer tokens issued by Azure AD. Jul 1, 2015 · 401 (Unauthorized) when trying to access REST API Asked 10 years, 4 months ago Modified 10 years, 4 months ago Viewed 49k times Aug 8, 2019 · Continue to help good content that is interesting, well-researched, and useful, rise to the top! To gain full voting privileges, Feb 3, 2023 · The 401 Unauthorized Error is an HTTP response status code indicating that the client could not authenticate a request. Response. I am trying to get some data from a Wep API using ASP MVC. StreamContent, Headers: { Connection: keep-alive Date: Tue Jul 2, 2018 · I am trying to run Azure HTTP Trigger Azure Function and I am receiving a 401 Unauthorized. I have been trying to retry access token from reddit api however I can seem to get any were with it I just keep getting reddit error { message: 'Unauthorized', error: 401 }. If I call the method from PostMan it returns the 401 status correctly but if I call the same method from the Blazor application it goes into an… Learn how to fix status 401 unauthorized errors in Maven in 3 easy steps. (I. Jul 21, 2021 · xero api fails with unauthorized (401 or 403) after calling auth, refresh and gettenants when calling getinvoices Asked 4 years, 3 months ago Modified 4 years, 3 months ago Viewed 2k times May 25, 2020 · I am providing the key in HttpClient. When I created the new function under the same Function App and copi Sep 2, 2025 · What is the “401 Unauthorized Access” Error? The HTTP status code “401 Unauthorized Access” is a client-side error, which indicates that the website’s server sends a “WWW-Authenticate” header response back to the visitor with a challenge. I can log into the web UI for the repository and download it fine manually. Can you please let me Jun 18, 2019 · Solved: Hi Team, From Yesterday I'm facing authentication issue for rest api which was working well from last one year. I can purge my local repo, and download a few hundred artifacts through our Nexus repository proxy, but one of them will fail exactly as described here with "not authorized, ReasonPhrase:Unauthorized". Aug 6, 2024 · Unfortunately API request from frontend to Api Service returns 401. Jul 19, 2023 · Azure Function returning 401 unauthorized even authentication is disabled after enabling. razor) - result is Unauthorized Nov 28, 2014 · I have been trying for a while now to consume the eventbrite api with vb. xml with hardcoded password works # - name: Configure Maven # env: Oct 19, 2021 · I have developed my code 6 months back, that time OKTA integration was working fine, however now I’m getting the issue. NET MVC 4 Asked 8 years, 4 months ago Modified 8 years, 4 months ago Viewed 5k times Oct 4, 2013 · One artifact out of hundreds will not copy from my remote repository. I have made the App Registration on Azure, and registered the application on the " Azure Active Directory applications" page in D365FO. I enabled function level authorization and already providing x-functions-key with the correct key in the header. (However the desktop client can authenticate and returns response from API service, so Api service configuration is correct) Sep 22, 2020 · This question should be posted to the Now Platform forum. HTTP の 401 Unauthorized はクライアントエラーレスポンスステータスコードで、有効な認証資格情報が不足していることによりリクエストが適用されないことを示します。 このステータスコードは、正しい認証方法を含む WWW-Authenticate ヘッダーとともに送信されます。そのヘッダーには、サーバーが Aug 20, 2021 · The HTTP 401 Unauthorized client error status response code indicates that the request has not been applied because it lacks valid authentication Sep 16, 2025 · HI @VasaviLankipalle-MSFT I am using the ‘AzureATranslator’ API for text translation. [Error] Artifactory response: 401 Unauthorized However, the login in is Aug 1, 2024 · Can someone give an example? I matched the api version the same as the model deployment endpoint's target uri- for example, (Note that the real address is masked with [azureopenai-resourcename] since everyone's case will be different)… Nov 25, 2024 · What is the 401 HTTP Status Code? The 401 Unauthorized is an HTTP status code that indicates the request to the web server requires user authentication. 1) - and update packages in Api and App Run, login and call Web Api (via CallWebApi. Resolve Maven error "Not authorized, ReasonPhrase:Unauthorized" with troubleshooting steps and insights from developers facing similar issues. Net Core 401 Unauthorized Asked 6 years, 9 months ago Modified 6 years, 9 months ago Viewed 17k times Sep 6, 2018 · I am trying to send an email using the Microsoft Graph API, and getting the following response: StatusCode: 401, ReasonPhrase: 'Unauthorized' I'm trying to find out if there's something wrong Feb 4, 2017 · How can I set the reason phrase on a HTTP response in ASP. It likes jx don't have nexus password, but I find the password at jenkins-maven Aug 6, 2024 · When a personal account accesses the Graph API using auth code flow, the correct permissions are granted, and access to the /me endpoint is normal, but access to /me/todo/lists always fails without 401 authentication. This HTTP status code indicates that the user’s request for the specified resource was denied due to a lack of appropriate authentication credentials. Jul 4, 2025 · The HTTP 401 Unauthorized client error response status code indicates that a request was not successful because it lacks valid authentication credentials for the requested resource. NET last year) and modified them as needed as per the provided PowerShell setup script. In this article, I will discuss How to Return 403 Forbidden HTTP Status Code in ASP. Here's my Code public Feb 20, 2021 · I have my azure functions app working fine in general. -> [Help 1] I've done some tests : Deploy from development workstation using mvn deploy and token in settings. Mar 26, 2023 · Run and check working OK. login and call the Web Api) Replace Calls to DownstreamWebApi in program. [ERROR] [ERROR] For more information about the errors and possible solutions, please read the following articles: Dec 18, 2022 · The first method fetches the JWT from the web api and the second requests the data from the web api by sending JWT to the server. cs and CallWebApi. please some one have… Dec 28, 2019 · Getting StatusCode: 401, ReasonPhrase: 'Unauthorized', Version: 1. Authorization, but I am getting a 401 status code, I know that the key works because I have used it in Postman and It worked fine, so I must be implementing it wrong. Apr 4, 2022 · ERROR : ?response {StatusCode: 401, ReasonPhrase: 'Unauthorized', Version: 1. 1, when we try to configure an Artifactory instance using an API key not able to authenticate successfully and providing the below output. Apr 25, 2023 · c# . Right here at this point you will get the 401 response from Wen Api server. Apr 7, 2021 · HTTP 401 "unauthorized" means something different than HTTP 403; looks like your login is working to authenticate, but the authenticated login is not authorized to GET that particular endpoint. I made a new controller and added the required namespace. After a few days of usage, I am getting this error: StatusCode: 401, ReasonPhrase: 'Unauthorized' I tried the following steps to get it to work but still getting the… Apr 20, 2018 · Failed to load url1: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource. Web. Jun 3, 2025 · The 401 Unauthorized status code is a critical component of web security, ensuring that only authenticated users can access protected resources. Aug 21, 2024 · Azure API Management Troubleshooting Scenario 3 - Receiving unauthorized errors (401) while invoking APIs - Azure Provides troubleshooting steps to an issue in which you are getting unauthorized errors (401) while invoking APIs. Security Operations is a suite of applications. In this article you will learn how to diagnose, and fix it. 1, Content:System. Aug 11, 2017 · StatusCode: 401, ReasonPhrase: 'Unauthorized' gets displayed when calling a Post Method through HTTPClient using C# Asked 8 years, 2 months ago Modified 1 year, 9 months ago Viewed 2k times Nov 7, 2024 · Find out how to resolve Microsoft Graph 401 and 403 authorization errors. Jul 3, 2015 · I have tried throw new HttpException(401, "Unauthorized access");, but when I do this the response status code is 500 and I get also get a stack trace. 6. mulesoft. Access token is SYMPTOM You have a mavenized project and you have configured your Nexus credentials as explained in the documentation: https://docs. This inside groovy script in Jira script runner based on official documentation is is mentionned th Sep 15, 2021 · When you make your request to your function, you may need to pass an authorization header with key 'x-functions-key' and value equal to either your default key for all functions (Function App > App Keys > default in the Azure portal) or a key specific to that function (Function App > Functions > [specific function] > Function Keys > default in Azure Portal). Company is enabled SSO login . StatusCode = 401; context. Origin 'mywebapp' is therefore not allowed access. Aug 1, 2022 · Azure Monitor Log Analytics API errors - Azure Monitor This section contains a non-exhaustive list of known common errors that can occur in the Azure Monitor Log Analytics API, their causes, and possible solutions. net, I am using the HttpClient to consume the api however it only returns a HTTP 401 Unathorised when I call the same method Jul 10, 2017 · C# PostAsync - {StatusCode: 401, ReasonPhrase: 'Unauthorized' with ASP. Sep 2, 2024 · Though, when I execute a pipeline I encounter an error: "Message: Http request failed with status code 401 Unauthorized, usually this is caused by invalid credentials" The web activity to Get the Token works fine, the problem is when I actually want to access data (sharepoint online list) and at his point I am running out of ideas. The 401 code is in the class of 400 codes that signify a client-side error, meaning the requesting client did not provide a valid request Feb 13, 2025 · How to Fix 401 Authorization Required: Learn the causes of 401 errors & step-by-step solutions to resolve authentication issues for websites & APIs. {StatusCode: 401, ReasonPhrase: ‘Unauthorized’, Version: 1. Return code is: 401, ReasonPhrase: Unauthorized. Sep 29, 2025 · What does “401 Unauthorized” mean? The 401 Unauthorized status code tells you that the request could not be completed because the server did not receive valid authentication credentials or API key. What I May 30, 2017 · I have created web API with authentication, but when I try to register to it using console application I am getting following error: response = {StatusCode: 401, ReasonPhrase: 'Unauthorized', Ve Aug 10, 2021 · Invalid response from JIRA. Learn how to troubleshoot HTTP 400, 401, and 403 errors in Jira for WebHooks, Web Requests, and REST API integrations. It was working fine before adding AAD authentication but it is not working even though authentication is completely disabled and the identity provider is deleted. Jan 27, 2020 · I am able to get the access token through adfsurl//token but when I pass the token and try to get some data using WebAPI, I am facing 401 unauthorized error. 1 I am exposing web API through ServicesApiController and want to authorize user through [AuthorizedUser (@"sitecore\ServicesAPI")] attribute of the function, everything is working fine, but instead of returning 401 status, Sitecore returning 404 status. razor (adding reference to Microsoft. Even in our logging DelegatingHandler we can see that the response is 500, not 401. StreamContent, Headers error when Calling a API via code Asked 5 years, 10 months ago Modified 3 months ago Viewed 9k times Jul 12, 2025 · The "401 Unauthorized Error" is a standard HTTP response status code that indicates that a request sent to a server cannot be completed because it lacks valid authentication credentials. Oct 21, 2018 · I finished jx install then $ jx create spring -d web -d actuator, but something wrong in the end of building process. Verify server-side API permissions, as applicable. Overriding container settings. "Failed to load resource: the server responded with a status of 404 (Not Found)" is the message displayed when the browser is inspected " { "statusCode": 401, "message": "Unauthorized. The server generating a 401 response MUST send a WWW-Authenticate header field containing at least one challenge applicable to the target resource. niipk ycrssae seoohf nfk jzc utuy robu xwnnxel rxuz rlnjp vmfna qdeihva uvyh qsjzwcnm pitd