Questions tagged [authentication]

A question about the Stack Exchange authentication process and related API methods.

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1 answer
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Can not request info after OAuth

I am following The implicit OAuth 2.0 flow Guide: My client ID is 4709 while key is RoZwtHUrhMP088oVGCMlxA(( I appended my URL as: https://stackexchange.com/oauth/dialog?client_id=4709&scope=...
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31 votes
6 answers
1k views

Draft Specification for API v2.0

We've started working on the next version of the Stack Exchange API. The current draft specification is available, and we'd like to hear your feedback! The headlining feature for this release is ...
15 votes
1 answer
2k views

Unable to get access token

I am trying to get a non-expiry access token, like so: https://stackexchange.com/oauth?scope=no_expiry&redirect_uri={{some_uri}}&client_id={{some_value}} I am repeatedly getting the error: ...
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  • 185
9 votes
1 answer
714 views

Getting "application not configured for implicit grants" error trying to setup website

I had a developer setup StackExchange auth for a site last year and that still works fine. I have cloned that site and am in the process of changing out all of the relevant names and keys to the new ...
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  • 193
6 votes
0 answers
392 views

Resurfacing bug: "could not parse proxy url" error message

According to this question, the "could not parse proxy url" bug was solved more than 2 years ago. However, when using the client-side OAuth flow, the aforementioned error message appears when ...
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  • 161
6 votes
1 answer
84 views

Does a closed and/or deleted Stack Apps post still provide access to the API?

Registering your application as a Stack Apps app is necessary in order to obtain a higher request quota, authentication and write access to the API. What happens if the question is closed because of ...
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  • 5,352
6 votes
1 answer
554 views

OAuth procedure for standalone user?

Background: I will be using the Stack Exchange API to make queries to stack overflow for a list of questions along with their details for a particular month etc for analysis purposes. So this would be ...
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  • 163
4 votes
1 answer
326 views

Login using Google fails saying OpenID 2.0 accounts for Google has gone away

Recently I have received complaints about my app suggesting that logging in with a Google account shows a warning message that OpenID authentication has gone away. When I tried to log in with my own ...
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1 vote
1 answer
269 views

Implicit OAuth flow is not working when the user is not logged in.

Here is the URL I am trying to use: https://stackexchange.com/oauth/dialog?client_id=120&scope=read_inbox,no_expiry&redirect_uri=https://stackexchange.com/oauth/login_success This works ...
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  • 22.8k
16 votes
1 answer
423 views

Bug in the StackExchange Api ? getting "could not parse proxy url" when user not logged in

I think I may have stumbled upon a bug in the Stack Exchange JS API I'm having a problem getting its authentication to work properly, and I just discovered that the same problem exist in the official ...
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  • 301
6 votes
1 answer
8k views

'The target origin provided does not match the recipient window's origin' message when trying to use localhost

I am trying to experiment with the Stack Overflow API on my localhost and am struggling to get the authentication to complete. Here is my application JavaScript code (note that I am using IBM ...
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  • 161
1 vote
1 answer
113 views

Is it okay to just send the API key (without implementing oauth-2 login)?

I'm writing a small Android app that issues customizable queries and displays the results in a read-only format. I might implement oauth-2 in a future version, but want to leave it out of version 1.0 (...
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4 votes
1 answer
2k views

API Implicit Authentication with Python

I am working on an desktop inbox notifier for StackOverflow, using the API with Python. The script I am working on first logs the user in on StackExchange, and then requests authorisation for the ...
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3 votes
1 answer
341 views

iOS Client for stackoverflow always throws redirect_uri not a valid uri

I tried to use the Stack Exchange API to authenticate the user. I have registered my app with redirect_uri as stackexchange.com/oauth/login_success. But it always throws "redirect_uri is not a valid ...
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5 votes
1 answer
2k views

Desktop login URL: WebBrowser hangs (.NET) - JavaScript endless-loop

I am using .NET 4 and trying to use the desktop authentication via the web-browser control (WPF and/or WinForms; StackApp NNTP bridge for accessing StackExchange forums (like StackOverflow)). It seems ...
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4 votes
0 answers
115 views

Can we specify more than one OAuth Domain?

I would like to use the API from a browser extension. With WebExtensions, I should be able to support Firefox and Chrome with the same code. Chrome provides an identity API for OAuth2, and so does ...
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  • 286
2 votes
1 answer
165 views

"client_id rejected" error when retrieving the access_token

I'm developing an application in C# and I to post questions, so I need an access token. I registered my application and I have received a client ID. Then I get the following query-string to get the ...
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2 votes
1 answer
117 views

How can I quickly get an access token for personal use?

Registering your application or script gets you a higher daily quota and is fairly simply; a step by step guide is documented here: I only need a key, what do I do? However, what if I do want an ...
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  • 5,352
3 votes
1 answer
157 views

Localhost test Stack App authentication: error 'redirect_uri' does not match

I tried the answer at "Can the redirect_uri contain port number"? But I am getting the following error: Provided redirect_uri does not match the redirect_uri this code was created with My access ...
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3 votes
1 answer
87 views

Accessing the Stack Exchange API not on behalf of an user? [duplicate]

I'm implementing an App and intend to use Stack Exchange tags to classify content, of course, respecting the terms of use. However, the Authentication documentation says I'd need to use the OAuth 2.0 ...
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2 votes
1 answer
120 views

Can you identify a user from the access_token?

I have the access_token after authentication from the user. At this point I don't know with which sites this user has registered. Is it possible to get user information like the display name or ...
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  • 155
2 votes
0 answers
468 views

OAuth2 Authentication Redirection error in PHP

I'm trying to authenticate into Stack Exchange's API with the following URL: https://stackexchange.com/oauth/dialog?client_id=3535&scope=write_access&redirect_uri=https://stackexchange.com/...
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  • 83
2 votes
1 answer
91 views

the stack exchange javascript library is 404

the library listed on the doc page for Authentication https://api.stackexchange.com/js/2.0/all.js ultimately redirects to https://api-v2cdn.sstatic.net/js/all.js which results in varying degrees ...
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  • 11.5k
1 vote
0 answers
305 views

How to login programmatically

I'm building an app for personal use. The app simply screen-scrapes the StackExchange homepage and checks whether I am currently logged in to StackExchange. This works fine. However, if the app ...
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  • 111
1 vote
0 answers
260 views

StackX app - problem signing in with Google ID

I have a problem with StackX app on my Samsung Galaxy 4 phone (Android 4.3). I'm logging to StackExchange in general, and StackOferflow in particular, using my Google ID. The app does not recognize ...
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  • 111
1 vote
1 answer
2k views

How to login programmatically on Android?

I think my question is not a duplicate of this one: How to login programmatically I have read the authentication document but, still, I am unable to get what's needed to login programmatically on ...
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  • 113