(VB.NET) CallRail API - Retrieve a Call Recording

Returns a CallRail URL pointing to an MP3 recording of the specified call, and then downloads the MP3 to a local file.

For more information, see https://apidocs.callrail.com/#retrieving-a-single-call-recording

Chilkat .NET Downloads Chilkat .NET Framework Chilkat for .NET Core

' This example assumes the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

Dim http As New Chilkat.Http
Dim success As Boolean

' Implements the following CURL command:

' curl -H "Authorization: Token token=abc1234" \
'   https://api.callrail.com/v3/a/{account_id}/calls/{call_id}/recording.json

' Use the following online tool to generate HTTP code from a CURL command
' Convert a cURL Command to HTTP Source Code

http.SetRequestHeader("Authorization","Token token=abc1234")

Dim sbResponseBody As New Chilkat.StringBuilder
success = http.QuickGetSb("https://api.callrail.com/v3/a/{account_id}/calls/{call_id}/recording.json",sbResponseBody)
If (success = False) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If


Dim jResp As New Chilkat.JsonObject
jResp.LoadSb(sbResponseBody)
jResp.EmitCompact = False

Debug.WriteLine("Response Body:")
Debug.WriteLine(jResp.Emit())

Dim respStatusCode As Integer = http.LastStatus
Debug.WriteLine("Response Status Code = " & respStatusCode)
If (respStatusCode >= 400) Then
    Debug.WriteLine("Response Header:")
    Debug.WriteLine(http.LastHeader)
    Debug.WriteLine("Failed.")
    Exit Sub
End If


' Sample JSON response:

' {
'   "url": "http://app.callrail.com/calls/CAL11df32690b7d46123456789123456789/recording/redirect?access_key=241sa242sadqwerty123"
' }

Dim url As String = jResp.StringOf("url")

' Download to a .mp3 file
success = http.Download(url,"call_recordings/CAL11df32690b7d46123456789123456789.mp3")
If (success = False) Then
    Debug.WriteLine(http.LastErrorText)
Else
    Debug.WriteLine("success.")
End If