All Questions
2,191
questions
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11
views
ASP.NET MCV 5 Facebook login AuthenticationManager.GetExternalLoginInfoAsync returning null
I am implementing Facebook login to a MCV 5 project.
I am able to login successfully to facebook and call to
public async Task<ActionResult> ExternalLoginCallback(string returnUrl)
but the ...
0
votes
1
answer
60
views
Using Facebook as an external authentication provider for ASP.NET fails when running in Azure
I'm building a ASP.NET Core Web App (Razor Pages) application and I am trying to add external authentican providers. I have succesfully added the Microsoft provider, and am working on the Facebook ...
0
votes
1
answer
159
views
Whatsapp Webhook callback error. The callback URL or verify token couldn't be validated. Please verify the provided information or try again later
While configuring webhook callback URL getting error "The callback URL or verify token couldn't be validated. Please verify the provided information or try again later."
please assist.
In ...
0
votes
0
answers
26
views
Post in facebook with APIGRAPH
I'm trying to make a post on Facebook, using the Graph API, with country restriction.
but I have an error with the location_types field, I am attaching an image of my query in postman.
(https://i....
0
votes
0
answers
142
views
How to access facebook profile picture
I'm trying to access the user profile picture using facebook API and it was working fine until last month. here is my code:
var fbVerifyKeys = _config["Facebook:AppId"] + "|" + ...
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562
views
Facebook API to create a marketplace listing
Spent too much time on Facebook API documentation, only similar thing I found was through eCommerce/Business page, but I need to do without business
When manually adding a post it goes to https://www....
1
vote
0
answers
42
views
Receiving incoming parameters with dots in C#
Facebook wants to send the parameters as named above and in C#, we can't name variables with dots. How do I handle this in a C# web api endpoint that wants to receive these parameters? So far, my ...
1
vote
1
answer
712
views
Facebook webhook signature calculation failing
I am developing an application that uses Facebook Webhooks to receive payload from Facebook. For each call, Facebook provides a signature that I need to validate to ensure the payload's integrity and ...
0
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answers
58
views
Fetch Title, Description and Image from facebook URL
I have a messaging app in which I need one API that returns the title, image, and description of a particular Facebook URL (Facebook (Public) POST). I have AppId as well as App Secret. I am using c# (....
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answers
50
views
Generate a hash for the keystore for facebook login. C# Xamarin
hey im making an app where you have to login via Facebook.
but when i try to make the hash for the keystore in CMD i get this error.
Expressions are only allowed as the first element of a pipeline. ...
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answers
41
views
Can we transfer users data from a Consumer app type to Gaming Services app type in Facebook in Unity?
I have a game on Facebook and it is integrated in Unity and it has an app type of Consumer.
I also have some users which are already logged into the game using Facebook, and they have some in-game ...
1
vote
1
answer
79
views
Facebook authentication returns tiny profile image, how to get the large image?
I'm using this piece of code in my program.cs file to authenticate against Facebook and return the users Facebook profile image. It does work but the problem is the image is very small (50 x 50). Is ...
0
votes
0
answers
265
views
How to send message to Facebook channel in Postman using botframework
I'm trying to send message to Facebook Channel in botframework from Postman, but I'm receiving 403 forbidden. It works perfectly with Facebook but I need to send some message directly to the Bot ...
0
votes
1
answer
119
views
Issues publishing image to Facebook Page via Graph API SDK .NET
Attempting this on .NET Core 3.1
After several hours of trying to publish a photo to my public facebook page (as in business page) of which I am the admin and have a long-term token for...
I keep ...
-1
votes
1
answer
969
views
How to correctly catch and handle errors in Http get request to Facebook api
I am trying to receive an access token from Facebook's graph API using the received code from Facebook. This is my first time working with APIs in .NET CORE. The code seems to work fine however I am ...