GetAuthorizationCode#

The method is intended to authorize an instance by phone number. The method is used as an alternative to the QR method.

Authorization process:

The official WhatsApp or WhatsApp Business application must be installed on your phone.
You need to register in your personal account and create an instance.
In the WhatsApp application, select the menu item "Linked devices" -> "Link a device" -> "Link with phone number instead".
Call the GetAuthorizationCode method from personal account or through Postman collection by indicating your phone number in the body of the request (the phoneNumber field). In response to calling the GetAuthorizationCode method, you will receive 2 fields: status and code.

The code for authorization by phone number is valid for approximately 2.5 minutes.
Enter the received code in the WhatsApp application, authorization is successful.

To receive the code, the account must be in an unauthorized state. If the account is authorized, then you first need to log out the account using the Logout method.

The authorization procedure is described in more detail in the section Before you start.

After successfully entering the code and authorizing the account, an incoming notification of the form Account Status is generated.

Request#

To retrieve the code, you need to execute a query at:

POST {{APIUrl}}/waInstance{{idInstance}}/getAuthorizationCode/{{apiTokenInstance}}

Refer to Before-Start for the APIUrl, idInstance and apiTokenInstance request parameters.

Request parameters#

Parameter	Type	Mandatory	Description
`phoneNumber`	integer	Yes	Phone number in international format without `+` or `00`

Request example body#

{
    "phoneNumber": 441234567890
}

Response#

Response parameters#

Field	Type	Description
`status`	boolean	Status of code receipt, possible values are `true`, `false`.
		`true` - code received successfully
		`false` - an error occurred while receiving the code (try again to receive the code)
`code`	string	Authorization code

Response example body#

{
    "status": true,
    "code":"GAPI2018"
}

It may take up to 30 seconds to receive the code

Errors#

For a list of errors common to all methods, see Standard errors

Code Examples#

PythoncURLJava - UnirestVBA

import requests
import json

url = "{{APIUrl}}/waInstance{{idInstance}}/getAuthorizationCode/{{apiTokenInstance}}"

payload = json.dumps({
  "phoneNumber": 441234567890
})
headers= {}

response = requests.request("POST", url, headers=headers, data=payload)

print(response.text.encode('utf8'))

  curl --location 'http://localhost:6001/waInstance9903789715/getAuthorizationCode/f4fc69110b364ecfbc75cdd800d0516e4933b4d4e9574ea688' \
  --header 'Content-Type: application/json' \
  --data '{
      "phoneNumber": 441234567890
  }'

var requestUrl = new StringBuilder();
requestUrl
    .append("https://api.greenapi.com")
    .append("/waInstance").append({{idInstance}})
    .append("/getAuthorizationCode/")
    .append({{apiTokenInstance}});

var response = Unirest.post(requestUrl.toString())
    .header("Content-Type", "application/json")
    .body("{\n    \"phoneNumber\": 441234567890,\n}")
    .asString();
System.out.println(response);

Sub GetAuthorizationCode()
    Dim url As String
    Dim RequestBody As String
    Dim http As Object
    Dim response As String

    ' The idInstance and apiTokenInstance values are available in your account, double brackets must be removed
    url = "{{APIUrl}}/waInstance{{idInstance}}/getAuthorizationCode/{{apiTokenInstance}}"

    ' phoneNumber - Phone number in international format without + and 00
    RequestBody = "{""phoneNumber"":79123456780}"

    Set http = CreateObject("MSXML2.XMLHTTP")

    With http
        .Open "POST", url, False
        .setRequestHeader "Content-Type", "application/json"
        .send RequestBody
    End With

    response = http.responseText

    Debug.Print response

    ' Outputting the answer to the desired cell
    Range("A1").Value = response

    Set http = Nothing
End Sub