1. Replicate the call in your programming language

   The following Python code executes the POST request described earlier and, with the obtained session_token, redirects to the URL that starts the customer’s session.

   import requests
   import webbrowser
   
   '''
   Simple request to the API,
   which redirects to the payment page.
   '''
   
   #Global variables provided by ETpay
   API_URL = r'valid_url'
   PTM_URL = r'valid_url'
   INIT_API = r'/session/initialize'
   MERCHANT_CODE = "valid_code"
   MERCHANT_API_TOKEN = "valid_api_key"
   
   request_data = {
       "merchant_code": MERCHANT_CODE,
       "merchant_api_token": MERCHANT_API_TOKEN,
       "merchant_order_id": "order-1992", #merchant's own purchase order id
       "order_amount": 1,
       "user_bank_code": "cl_mach"
   }
   
   #Get session token
   resp = [requests.post](<http://requests.post>)(API_URL+INIT_API, json=request_data)
   token = resp.json()['token']
   
   #Launch customer session
   [webbrowser.open](<http://webbrowser.open>)(PTM_URL+'/session/'+token)
   
   '''Note that in this code the signature_token value is not stored.'''
   

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