Sample code for 30+ languages & platforms
B4X Requires Chilkat v11.0.0+

MyInvois Malaysia Login as Intermediary System

See more Malaysia MyInvois Examples

Demonstrates how to get an OAuth2 access token with an intermediary that is representing a taxpayer (acting on behalf of a specific taxpayer). The OAuth2 access token can then be used to access MyInvois protected APIs.

Chilkat B4X Downloads

B4X
Dim success As Boolean = False

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

'  Sends the following HTTP POST to get a MyInvois OAUth2 access token using client_credentials

'  POST /connect/token HTTP/1.1
'  Host: preprod-api.myinvois.hasil.gov.my
'  Accept: */*
'  Content-Length: <<variable>>
'  Content-Type: application/x-www-form-urlencoded
'  onbehalfof: C25845632020
'  
'  client_id={YOUR_CLIENT_ID}&client_secret={YOUR_CLIENT_SECRET}&grant_type=client_credentials&scope=InvoicingAPI

Dim http As ChilkatHttp
http.Initialize("http")

Dim req As ChilkatHttpRequest
req.Initialize

req.AddHeader("onbehalfof", "C25845632020")

req.AddParam("grant_type", "client_credentials")
req.AddParam("client_id", "YOUR_CLIENT_ID")
req.AddParam("client_secret", "YOUR_CLIENT_SECRET")
req.AddParam("scope", "InvoicingAPI")

req.HttpVerb = "POST"
req.ContentType = "application/x-www-form-urlencoded"

Dim resp As ChilkatHttpResponse
resp.Initialize
success = http.HttpReq("https://preprod-api.myinvois.hasil.gov.my/connect/token", req, resp)
If success = False Then
    Log(http.LastErrorText)
    Return
End If


'  Note: The returned access token is valid for a short amount of time.  Perhaps 1 hour.
'  The access token is used in the "Authorization: Bearer <access_token>" header in subsequent requests until it expires.
'  Your application would then need to get a new access token, and so on..

Log("Response Status Code: " & resp.StatusCode)
Log("Response Body:")
Log(resp.BodyStr)

'  Here's a sample response:

'  {
'    "access_token": "eyJhbGciOiJSUzI1...",
'    "expires_in": 3600,
'    "token_type": "Bearer",
'    "scope": "InvoicingAPI"
'  }

Dim json As ChilkatJsonObject
json.Initialize
json.Load(resp.BodyStr)
Dim access_token As String = json.StringOf("access_token")
Dim expires_in As Int = json.IntOf("expires_in")
Dim token_type As String = json.StringOf("token_type")
Dim scope As String = json.StringOf("scope")

'  To use an access token in a MyInvois API call, see Using a MyInvois Access Token in an API Request