Creating a payment request for placing the order

For more details on how to build the form and send the payment by redirection request, please see the Hosted Payment Page guide available in the online documentation archive.

1. Use the fields presented in the table below to create your payment form.

   Field name	Description	Format	Format
   vads_order_id	Order ID.	ans..64	E.g.: "55487856"
   vads_amount	Total amount of order to be paid, expressed in cents.	n..12	E.g.: 50500 for €505
   vads_currency	Numeric code of the Euro currency in compliance with the ISO 4217 standard.	n3	E.g.: 978
   vads_site_id	Shop ID	n8	E.g.: 12345678
   vads_ctx_mode	Mode of interaction with the payment gateway	enum	TEST orPRODUCTION
   vads_trans_id	Transaction number	an6	E.g.: xrT15p
   vads_trans_date	Date and time of the payment form in UTC format	n14	Respect the YYYYMMDDHHMMSS format E.g.: 20191201130025
   vads_action_mode	Acquisition mode for payment method data	enum	INTERACTIVE
   vads_page_action	Action to perform	enum	PAYMENT
   vads_payment_config	Payment type	enum	SINGLE
   vads_version	Version of the exchange protocol with the payment gateway	enum	V2

2. The vads_capture_delay (capture delay) and vads_validation_mode (transaction validation mode) fields can be sent, but will be ignored in case of payment upon shipment (see: Deferred payment or payment upon shipment?).
3. Add the vads_use_case field with the SHIPMENT_MULTIPLE_AUTHORIZATION value to indicate payment upon shipment with multiple authorizations. This value will appear in the shipment transaction details.
4. Add optional fields according to your requirements (see chapter Using additional features Hosted Payment Page).
5. Compute the value of the signature field using all the fields that start with vads_ (see chapter Computing the signature Hosted Payment Page available in our online documentation archive).