Uber Api.Authentication OAuth2 INVALID REQUEST PARAMETERS in GET /authorize

Question

Hi,

The problem is following:

I was trying to call Get/authorize for Uber Api using C# Uber.SDK.

https://github.com/timothyclifford/uber-csharp-sdk

 public ActionResult Index()
    {
        var scopes = new List<string> { "profile", "history_lite", "request" };

        var uberClient = UberClientHelper.GetAuth();
        var response = uberClient.GetAuthorizeUrl(scopes, Guid.NewGuid().ToString());

        return View("Index", (object)response);
    }



 public string GetAuthorizeUrl(List<string> scopes = null, string state = null, string redirectUri = null)
    {
        //var authorizeUrl = string.Concat("https://login.uber.com/oauth/authorize?response_type=code&client_id=", _clientId);

        var authorizeUrl = string.Concat("https://login.uber.com/oauth/v2/authorize?client_id=", _clientId);

        authorizeUrl += string.Concat("&response_type=code");
        if (scopes != null && scopes.Any())
        {
            authorizeUrl += string.Concat("&scope=", string.Join(" ", scopes));
        }

        if (!string.IsNullOrWhiteSpace(state))
        {
            authorizeUrl += string.Concat("&state=", state);
        }

        if (!string.IsNullOrWhiteSpace(redirectUri))
        {
            authorizeUrl += string.Concat("&redirect_uri=", HttpUtility.UrlEncode(redirectUri));
        }
        // Result will be https://login.uber.com/oauth/v2/authorize?client_id={client_ID}=code&scope=profile
        return authorizeUrl;
    }

And as the result, some error Invalid Request Parameters pops up during the redirection by url.

I checked a lot of times if the url is correct together with parameters, but still have this error.

Error Page Example

Documentation https://developer.uber.com/docs/riders/references/api/v2/authorize-get

https://login.uber.com/oauth/v2/authorize?client_id=<CLIENT_ID>&response_type=code&scope=profile

Url From my App

https://login.uber.com/oauth/v2/authorize?client_id=someId&response_type=code&scope=profile

Where client_Id was taken from dashboard in Uber.

Could please someone share the experience and maybe help with this issue.

Answer 1

After some researh, the problem was in creating the correct URL. Details and right information is provided on your dashboard.

See the dashboard example