(Excel) WhatsApp - First Login

Log in the very first time to get your authentication token. The new login/password is passed in the JSON body of the request.

For more information, see https://developers.facebook.com/docs/whatsapp/api/users/login

Download Excel Class Modules Chilkat Excel Class Modules

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

Dim http As Chilkat.Http
Set http = Chilkat.NewHttp

' Implements the following CURL command:

' curl -k -X POST https://your-webapp-hostname:your-webapp-port/v1/users/login \
'   -H 'Content-Type: application/json' \
'   --user 'admin:secret' \
'   -d '{"new_password" : "new-password"}'

http.Login = "admin"
http.Password = "secret"

' The following JSON is sent in the request body.

' {
'   "new_password": "new-password"
' }

Dim json As Chilkat.JsonObject
Set json = Chilkat.NewJsonObject
Dim success As Boolean
success = json.UpdateString("new_password","new-password")

http.SetRequestHeader "Content-Type","application/json"


Set resp = http.PostJson3("https://your-webapp-hostname:your-webapp-port/v1/users/login","application/json",json)
If (http.LastMethodSuccess = False) Then
    Debug.Print http.LastErrorText
    Exit Sub
End If

Dim sbResponseBody As Chilkat.StringBuilder
Set sbResponseBody = Chilkat.NewStringBuilder
success = resp.GetBodySb(sbResponseBody)
Dim jResp As Chilkat.JsonObject
Set jResp = Chilkat.NewJsonObject
success = jResp.LoadSb(sbResponseBody)
jResp.EmitCompact = False

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


respStatusCode = resp.StatusCode
Debug.Print "Response Status Code = "; respStatusCode
If (respStatusCode >= 400) Then
    Debug.Print "Response Header:"
    Debug.Print resp.Header
    Debug.Print "Failed."

    Exit Sub
End If

' Sample JSON response:
' (Sample code for parsing the JSON response is shown below)

' {
'   "users": [
'     {
'       "token": "eyJhbGciOHlXVCJ9.eyJ1c2VyIjoNTIzMDE2Nn0.mEoF0COaO00Z1cANo",
'       "expires_after": "2018-03-01 15:29:26+00:00"
'     }
'   ]
' }

' Sample code for parsing the JSON response...


i = 0

count_i = jResp.SizeOfArray("users")
Do While i < count_i
    jResp.I = i
    token = jResp.StringOf("users[i].token")
    expires_after = jResp.StringOf("users[i].expires_after")
    i = i + 1
Loop