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citi Developer OAuth2 Client Credentials Grant

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Get access token for your application credentials. You can use this for citi APIs which do not require customer credential verification and consent (e.g. Onboarding). AutoIt

Local $bSuccess = False

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

$oHttp = ObjCreate("Chilkat.Http")

; Implements the following CURL command:

; curl --request POST \
;   --url https://sandbox.apihub.citi.com/gcb/api/clientCredentials/oauth2/token/us/gcb \
;   --header 'accept: application/json' \
;   --user client-id:client-secret \
;   --header 'content-type: application/x-www-form-urlencoded' \
;   --data 'grant_type=client_credentials&scope=%2Fapi'

$oHttp.Login = "client-id"
$oHttp.Password = "client-secret"

$oReq = ObjCreate("Chilkat.HttpRequest")
$oReq.HttpVerb = "POST"
$oReq.Path = "/gcb/api/clientCredentials/oauth2/token/us/gcb"
$oReq.ContentType = "application/x-www-form-urlencoded"
$oReq.AddParam "grant_type","client_credentials"
$oReq.AddParam "scope","/api"
$oReq.AddHeader "accept","application/json"

$oResp = ObjCreate("Chilkat.HttpResponse")
$bSuccess = $oHttp.HttpReq("https://sandbox.apihub.citi.com/gcb/api/clientCredentials/oauth2/token/us/gcb",$oReq,$oResp)
If ($bSuccess = False) Then
    ConsoleWrite($oHttp.LastErrorText & @CRLF)
    Exit
EndIf

$oSbResponseBody = ObjCreate("Chilkat.StringBuilder")
$oResp.GetBodySb($oSbResponseBody)
$oJResp = ObjCreate("Chilkat.JsonObject")
$oJResp.LoadSb($oSbResponseBody)
$oJResp.EmitCompact = False

ConsoleWrite("Response Body:" & @CRLF)
ConsoleWrite($oJResp.Emit() & @CRLF)

Local $iRespStatusCode = $oResp.StatusCode
ConsoleWrite("Response Status Code = " & $iRespStatusCode & @CRLF)
If ($iRespStatusCode >= 400) Then
    ConsoleWrite("Response Header:" & @CRLF)
    ConsoleWrite($oResp.Header & @CRLF)
    ConsoleWrite("Failed." & @CRLF)
    Exit
EndIf

$bSuccess = $oJResp.WriteFile("qa_data/tokens/citi_client_credentials.json")
If ($bSuccess = False) Then
    ConsoleWrite("Failed to save JSON access token file." & @CRLF)
    Exit
EndIf

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

;  {
;    "token_type": "bearer",
;    "access_token": "AAIkMjdh ... 3fsWb7zJ0s",
;    "expires_in": 1800,
;    "consented_on": 1584817860,
;    "scope": "/api"
;  }

;  Sample code for parsing the JSON response...
;  Use the following online tool to generate parsing code from sample JSON:
;  Generate Parsing Code from JSON

Local $sToken_type = $oJResp.StringOf("token_type")
Local $sAccess_token = $oJResp.StringOf("access_token")
Local $iExpires_in = $oJResp.IntOf("expires_in")
Local $iConsented_on = $oJResp.IntOf("consented_on")
Local $scope = $oJResp.StringOf("scope")