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Project title:
vb.net sub to connect to API using certificate. Yes that simple
Posted by:
External project from PeoplePerHour
Started:
20-Dec-2022 11:26 GMT
Description:
I have a very simple project. I only need a good response back from an API. The code is working in postman however I am getting a 502 error in vb.net using WebClient and HttpWebRequest. I will provide the .pfx certificate and postman curl as well as my code. At a loss on how to correct this as it looks fine to me in the trace file. I had this code working at one time but after I migrated from visual studio enterprise to visual studio professional I am no longer able to connect. curl --location --request POST 'https://card-sandbox.api.fiservapps.com/cs/oauth2/v1/token?scope=/cs/api' \ --header 'Content-Type: application/x-www-form-urlencoded' \ --header 'x-fapi-financial-id: 12345678' \ --header 'Authorization: Basic S212SGs1bERZaUIxUlB1cVNVODVZOFRVR25rWTE1OUE6TUMxZDdSQWRoUkdLQ2JTTw==' \ --data-urlencode 'grant_type=client_credentials' Code Private Sub TestConnection() Dim PrivateKeyPath As String = "C:\Backup\JHACPSCardClient Core Dir New Pin Pad FISERV - Copy\bin\Debug\SANDBOXSITE_API.pfx" Dim CertificatePassword As String = "Zk7XD3FG5ycW2suc" Dim cert As New X509Certificate2(PrivateKeyPath, CertificatePassword, X509KeyStorageFlags.Exportable) Dim handler As New WebRequestHandler() handler.ClientCertificates.Add(cert) Dim client As New HttpClient(handler) ' client.DefaultRequestHeaders.Add("Content-Type", "application/x-www-form-urlencoded") client.DefaultRequestHeaders.Accept.Add(New Headers.MediaTypeWithQualityHeaderValue("application/x-www-form-urlencoded")) client.DefaultRequestHeaders.Add("x-fapi-financial-id", "12345678") client.DefaultRequestHeaders.Add("Authorization", "Basic S212SGs1bERZaUIxUlB1cVNVODVZOFRVR25rWTE1OUE6TUMxZDdSQWRoUkdLQ2JTTw==") Dim formData As New FormUrlEncodedContent(New Dictionary(Of String, String) From {{"grant_type", "client_credentials"}}) Dim response As HttpResponseMessage = client.PostAsync(https://card-sandbox.api.fiservapps.com/cs/oauth2/v1/token?scope=/cs/api, formData).Result If response.IsSuccessStatusCode Then Dim responseContent As String = response.Content.ReadAsStringAsync().Result ' Do something with the response Else ' Handle error End If End Sub
Project ID:
3300764
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