Request

Data of post request

Here is a short HTML code example of the querying taxpayer call for Számla Agent. So the request must be multiform/form-data type and must contain one file with the name action-szamla_agent_taxpayer.

info

This interface is used to query the validity of a VAT number. The data is from the Online Invoice Platform of NAV, the Hungarian National Tax and Customs Administration.

<html> 
  <head><meta content="text/html; CHARSET=UTF-8"></head> 
  <body> 
    <form action="https://www.szamlazz.hu/szamla/" method="post" enctype="multipart/form-data"> 
      <input type="file" name="action-szamla_agent_taxpayer"><br> 
      <input type="submit" name="generate" value="Query taxpayer"> 
    </form> 
  </body> 
</html>

You can also try out the same HTML code here:

Request

Data of post request​

Data of post request