code: def get_forwarding_address_details(destination_address, api_key, callback_url=None, coin_symbol='btc'):
      
  
      assert is_valid_coin_symbol(coin_symbol)
      assert api_key, 'api_key required'
  
      url = make_url(coin_symbol, 'payments')
      logger.info(url)
  
      params = {'token': api_key}
      data = {
              'destination': destination_address,
              }
  
      if callback_url:
          data['callback_url'] = callback_url
  
      r = requests.post(url, json=data, params=params, verify=True, timeout=TIMEOUT_IN_SECONDS)
      return get_valid_json(r)
docs: Give a destination address and return the details of the input address
      that will automatically forward to the destination address
  
      Note: a blockcypher api_key is required for this method