KAYNAK Sınıfı :
Imports System.Net
Imports Newtonsoft.Json


Public Class YandexBilgileri
    Public Property oauth_token As String
    Public Property id As String
End Class

Public Class YandexMetrika

    Private Shared Function getJsonString(url As String) As String
        Dim wc As New WebClient()
        Dim rs As String = wc.DownloadString(url)
        wc.Dispose()
        wc = Nothing
        Return rs
    End Function

    Public Shared Function getBirHaftalikZiyaretci(bilgiler As YandexBilgileri) As Yandex.Ziyaretler.RootObject
        Dim rs As String = getJsonString(String.Format("https://api-metrika.yandex.com.tr/stat/traffic/summary.json?id={0}&oauth_token={1}", bilgiler.id, bilgiler.oauth_token))

        Dim DetaylarRoot As Yandex.Ziyaretler.RootObject = Newtonsoft.Json.JsonConvert.DeserializeObject(Of Yandex.Ziyaretler.RootObject)(rs)

        Return DetaylarRoot

    End Function

    Public Function getBugunArananKelimeler(bilgiler As YandexBilgileri) As Yandex.ArananKelimeler.RootObject

        Dim rs As String = getJsonString(String.Format("https://api-metrika.yandex.com.tr/stat/sources/phrases?id={3}&oauth_token={4}&date1={0}{1}{2}&date2={0}{1}{2}", Now.Year, Now.Month, Now.Day, bilgiler.id, bilgiler.oauth_token))

        Dim DetaylarRoot As Yandex.ArananKelimeler.RootObject = Newtonsoft.Json.JsonConvert.DeserializeObject(Of Yandex.ArananKelimeler.RootObject)(rs)

        Return DetaylarRoot
    End Function

End Class


Namespace Yandex.ArananKelimeler
    Public Class SearchEngine
        Public Property se_id() As Integer
            Get
                Return m_se_id
            End Get
            Set
                m_se_id = Value
            End Set
        End Property
        Private m_se_id As Integer
        Public Property se_page() As Integer
            Get
                Return m_se_page
            End Get
            Set
                m_se_page = Value
            End Set
        End Property
        Private m_se_page As Integer
        Public Property se_url() As String
            Get
                Return m_se_url
            End Get
            Set
                m_se_url = Value
            End Set
        End Property
        Private m_se_url As String
    End Class

    Public Class Datum
        Public Property denial() As Double
            Get
                Return m_denial
            End Get
            Set
                m_denial = Value
            End Set
        End Property
        Private m_denial As Double
        Public Property visits() As Integer
            Get
                Return m_visits
            End Get
            Set
                m_visits = Value
            End Set
        End Property
        Private m_visits As Integer
        Public Property depth() As Double
            Get
                Return m_depth
            End Get
            Set
                m_depth = Value
            End Set
        End Property
        Private m_depth As Double
        Public Property page_views() As Integer
            Get
                Return m_page_views
            End Get
            Set
                m_page_views = Value
            End Set
        End Property
        Private m_page_views As Integer
        Public Property phrase() As String
            Get
                Return m_phrase
            End Get
            Set
                m_phrase = Value
            End Set
        End Property
        Private m_phrase As String
        Public Property visit_time() As Integer
            Get
                Return m_visit_time
            End Get
            Set
                m_visit_time = Value
            End Set
        End Property
        Private m_visit_time As Integer
        Public Property id() As String
            Get
                Return m_id
            End Get
            Set
                m_id = Value
            End Set
        End Property
        Private m_id As String
        Public Property search_engines() As List(Of SearchEngine)
            Get
                Return m_search_engines
            End Get
            Set
                m_search_engines = Value
            End Set
        End Property
        Private m_search_engines As List(Of SearchEngine)
    End Class

    Public Class Totals
        Public Property denial() As Double
            Get
                Return m_denial
            End Get
            Set
                m_denial = Value
            End Set
        End Property
        Private m_denial As Double
        Public Property visits() As Integer
            Get
                Return m_visits
            End Get
            Set
                m_visits = Value
            End Set
        End Property
        Private m_visits As Integer
        Public Property depth() As Double
            Get
                Return m_depth
            End Get
            Set
                m_depth = Value
            End Set
        End Property
        Private m_depth As Double
        Public Property page_views() As Integer
            Get
                Return m_page_views
            End Get
            Set
                m_page_views = Value
            End Set
        End Property
        Private m_page_views As Integer
        Public Property visit_time() As Integer
            Get
                Return m_visit_time
            End Get
            Set
                m_visit_time = Value
            End Set
        End Property
        Private m_visit_time As Integer
    End Class

    Public Class RootObject
        Public Property date1() As String
            Get
                Return m_date1
            End Get
            Set
                m_date1 = Value
            End Set
        End Property
        Private m_date1 As String
        Public Property date2() As String
            Get
                Return m_date2
            End Get
            Set
                m_date2 = Value
            End Set
        End Property
        Private m_date2 As String
        Public Property id() As Integer
            Get
                Return m_id
            End Get
            Set
                m_id = Value
            End Set
        End Property
        Private m_id As Integer
        Public Property rows() As Integer
            Get
                Return m_rows
            End Get
            Set
                m_rows = Value
            End Set
        End Property
        Private m_rows As Integer
        Public Property data() As List(Of Datum)
            Get
                Return m_data
            End Get
            Set
                m_data = Value
            End Set
        End Property
        Private m_data As List(Of Datum)
        Public Property totals() As Totals
            Get
                Return m_totals
            End Get
            Set
                m_totals = Value
            End Set
        End Property
        Private m_totals As Totals
    End Class
End Namespace

Namespace Yandex.Ziyaretler

    Public Class Datum
        Public Property denial() As Double
            Get
                Return m_denial
            End Get
            Set
                m_denial = Value
            End Set
        End Property
        Private m_denial As Double
        Public Property [date]() As String
            Get
                Return m_date
            End Get
            Set
                m_date = Value
            End Set
        End Property
        Private m_date As String
        Public Property visits() As Integer
            Get
                Return m_visits
            End Get
            Set
                m_visits = Value
            End Set
        End Property
        Private m_visits As Integer
        Public Property visitors() As Integer
            Get
                Return m_visitors
            End Get
            Set
                m_visitors = Value
            End Set
        End Property
        Private m_visitors As Integer
        Public Property depth() As Double
            Get
                Return m_depth
            End Get
            Set
                m_depth = Value
            End Set
        End Property
        Private m_depth As Double
        Public Property page_views() As Integer
            Get
                Return m_page_views
            End Get
            Set
                m_page_views = Value
            End Set
        End Property
        Private m_page_views As Integer
        Public Property visit_time() As Integer
            Get
                Return m_visit_time
            End Get
            Set
                m_visit_time = Value
            End Set
        End Property
        Private m_visit_time As Integer
        Public Property new_visitors() As Integer
            Get
                Return m_new_visitors
            End Get
            Set
                m_new_visitors = Value
            End Set
        End Property
        Private m_new_visitors As Integer
        Public Property id() As String
            Get
                Return m_id
            End Get
            Set
                m_id = Value
            End Set
        End Property
        Private m_id As String
    End Class

    Public Class Totals
        Public Property denial() As Double
            Get
                Return m_denial
            End Get
            Set
                m_denial = Value
            End Set
        End Property
        Private m_denial As Double
        Public Property visits() As Integer
            Get
                Return m_visits
            End Get
            Set
                m_visits = Value
            End Set
        End Property
        Private m_visits As Integer
        Public Property visitors() As Integer
            Get
                Return m_visitors
            End Get
            Set
                m_visitors = Value
            End Set
        End Property
        Private m_visitors As Integer
        Public Property depth() As Double
            Get
                Return m_depth
            End Get
            Set
                m_depth = Value
            End Set
        End Property
        Private m_depth As Double
        Public Property page_views() As Integer
            Get
                Return m_page_views
            End Get
            Set
                m_page_views = Value
            End Set
        End Property
        Private m_page_views As Integer
        Public Property visit_time() As Integer
            Get
                Return m_visit_time
            End Get
            Set
                m_visit_time = Value
            End Set
        End Property
        Private m_visit_time As Integer
        Public Property new_visitors() As Integer
            Get
                Return m_new_visitors
            End Get
            Set
                m_new_visitors = Value
            End Set
        End Property
        Private m_new_visitors As Integer
    End Class


    Public Class RootObject
        Public Property date1() As String
            Get
                Return m_date1
            End Get
            Set
                m_date1 = Value
            End Set
        End Property
        Private m_date1 As String
        Public Property date2() As String
            Get
                Return m_date2
            End Get
            Set
                m_date2 = Value
            End Set
        End Property
        Private m_date2 As String
        Public Property id() As Integer
            Get
                Return m_id
            End Get
            Set
                m_id = Value
            End Set
        End Property
        Private m_id As Integer
        Public Property rows() As Integer
            Get
                Return m_rows
            End Get
            Set
                m_rows = Value
            End Set
        End Property
        Private m_rows As Integer
        Public Property data() As List(Of Datum)
            Get
                Return m_data
            End Get
            Set
                m_data = Value
            End Set
        End Property
        Private m_data As List(Of Datum)
        Public Property totals() As Totals
            Get
                Return m_totals
            End Get
            Set
                m_totals = Value
            End Set
        End Property
        Private m_totals As Totals
    End Class
End Namespace

Kullanım :
Dim TekilZiyaretci As String
Dim SayfaGosterim As String
 Dim yBilgileri As New YandexBilgileri
        yBilgileri.id = "metrica id si"
        yBilgileri.oauth_token = "yandex oauth kodu"

        Dim haftalikBilgileri = YandexMetrika.getBirHaftalikZiyaretci(yBilgileri)
        Dim liste = haftalikBilgileri.data

        For Each a In liste
            TekilZiyaretci &= String.Format("{0},", a.visits)
            SayfaGosterim &= String.Format("{0},", a.page_views)
        Next

Kaynak sınıfı ve kullanım örnektir

https://tech.yandex.com.tr/metrika/d...pular-docpage/

adresinde örnek sorgu çeşitleri var, verdiğim sınıfı geliştirebilirsiniz veya kendiniz bir sınıf oluşturabilirsiniz.