The required action param is missing

The required action param is missing

I have passed data using node and every time i got the error "The required action param is missing".

 Reference URL : https://www.zoho.com/reports/api/?php#import-data

API URL : https://reportsapi.zoho.com/api/xyz@gmail.com/testDB/Accounts

POST PERAMETER :

      'ZOHO_ACTION' : 'IMPORT',
    'ZOHO_OUTPUT_FORMAT' : 'JSON',
    'ZOHO_ERROR_FORMAT' : 'JSON',
    'authtoken' : '38f207ac4a8a5b73ce427***********',
    'ZOHO_API_VERSION' : '1.0',
    'ZOHO_FILE' : 'Accounts.csv',
    'ZOHO_IMPORT_FILETYPE' : 'CSV',
    'ZOHO_IMPORT_TYPE' : 'APPEND',
    'ZOHO_AUTO_IDENTIFY' : 'TRUE',
    'ZOHO_ON_IMPORT_ERROR' : 'SKIPROW',

I am passing all the required parameters still i got the required parameter missing error

Any solutions ?