(VB.NET) TikTok Shop Get Categories

See more TikTok Shop Examples

An example showing how to use a TikTok Shops access token in an API call.

IMPORTANT: This example requires a pre-release for the next version of Chilkat after the current v9.5.0.99 release. Contact info@chilkatsoft.com if you wish to get a pre-release. However, pre-releases of .NET Core (hosted on NuGet) and Node.js will not be possible.

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

Dim http As New Chilkat.Http

' It is assumed we previously obtained an OAuth2 access token.
' This example loads the JSON access token file 
' saved by this example: Get TikTok Shop OAuth2 Access Token
' or refrehsed by this example: Get TikTok Shop Refresh OAuth2 Access Token
Dim jsonToken As New Chilkat.JsonObject
Dim success As Boolean = jsonToken.LoadFile("qa_data/tokens/tiktok-shops.json")
If (success <> True) Then
    Debug.WriteLine("Failed to load tiktok-shops.json")
    Exit Sub
End If


' Replace values in all caps with your specific values.
' SHOP_CIPHER and SHOP_ID are returned from this example: Get Authorized Shops
Dim queryParams As New Chilkat.JsonObject
queryParams.UpdateString("app_key","APP_KEY")
queryParams.UpdateString("shop_cipher","SHOP_CIPHER")
queryParams.UpdateString("shop_id","SHOP_ID")
Dim dt As New Chilkat.CkDateTime
queryParams.UpdateString("timestamp",dt.GetAsUnixTimeStr(False))
queryParams.UpdateInt("version",202309)

' Sort the JSON members by member name, in ascending order (A-Z), case sensitive..
' Note: The Sort method is added in Chilkat v9.5.0.100
Dim ascending As Boolean = True
Dim caseSensitive As Boolean = True
queryParams.Sort(ascending,caseSensitive)

Dim appSecret As String = "APP_SECRET"
Dim path As String = "/product/202309/categories"

' Build the StringToSign
Dim sb As New Chilkat.StringBuilder
sb.Append(appSecret)
sb.Append(path)
Dim numParams As Integer = queryParams.Size
Dim i As Integer = 0
While i < numParams
    sb.Append(queryParams.NameAt(i))
    sb.Append(queryParams.StringAt(i))
    i = i + 1
End While
sb.Append(appSecret)

Dim crypt As New Chilkat.Crypt2
crypt.HashAlgorithm = "SHA256"
crypt.MacAlgorithm = "HMAC"
crypt.EncodingMode = "hex_lower"
crypt.SetMacKeyString(appSecret)

Dim sig As String = crypt.MacStringENC(sb.GetAsString())

queryParams.UpdateString("access_token",jsonToken.StringOf("data.access_token"))
queryParams.UpdateString("sign",sig)

http.SetRequestHeader("x-tts-access-token",jsonToken.StringOf("data.access_token"))
http.SetRequestHeader("content-type","application/json")


Dim resp As Chilkat.HttpResponse = http.QuickRequestParams("GET","https://open-api.tiktokglobalshop.com/product/202309/categories",queryParams)
If (http.LastMethodSuccess = False) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If


Dim json As New Chilkat.JsonObject
resp.GetBodyJson(json)

Debug.WriteLine(resp.StatusCode)



Dim id As String
Dim is_leaf As Boolean
Dim local_name As String
Dim parent_id As String
Dim j As Integer
Dim count_j As Integer
Dim strVal As String

Dim code As Integer = json.IntOf("code")
Dim message As String = json.StringOf("message")
Dim request_id As String = json.StringOf("request_id")
i = 0
Dim count_i As Integer = json.SizeOfArray("data.categories")
While i < count_i
    json.I = i
    id = json.StringOf("data.categories[i].id")
    is_leaf = json.BoolOf("data.categories[i].is_leaf")
    local_name = json.StringOf("data.categories[i].local_name")
    Debug.WriteLine("local_name: " & local_name)
    parent_id = json.StringOf("data.categories[i].parent_id")
    j = 0
    count_j = json.SizeOfArray("data.categories[i].permission_statuses")
    While j < count_j
        json.J = j
        strVal = json.StringOf("data.categories[i].permission_statuses[j]")
        j = j + 1
    End While
    i = i + 1
End While