In order to start accepting ROBOKASSA payment for your products, you need to configure the list of payment systems - https://smartpayment.pro/app/profile/edit

Mark "Enable payment in ROBOKASSA":

Next you'll need to fill in "Store identifier", "Password #1"," Password #2", "Language of ROBOKASSA pages when paying order'',''Number of payment system on page of selection payment system on payment step''

In order to get your Store Identifier, Password #1, Password #2 Register an accoun on ROBOKASSA, or Log in into existig ROBOKASSA account - https://auth.robokassa.ru/My/Account/Register.
Instructions on how to create your store you can find in the following link - https://www.robokassa.ru/ru/Contract.aspx.
Technical settings setup
In order to setup your store, chose it from general list of stores, then click shop settings. Copy your ROBOKASSA "Store identifier", "Password #1"," Password #2" into the corresponding fields inside of Smart Payment.
After that, configure the URL of your store, download this ZipArchive.

Extract the files from archive and upload them to any folder on your hosting

Then go back to the Store's Technical Settings section and write down the data as shown below.
Instead of "YOUR_SITE.RU/PAGE", insert the domain name and folder name in which you saved the 3 files mentioned above and click "Save":
- Password #1: chose your password.
- Password #2: chose your password.
- Result URL3 : http://YOUR_SITE.RU/FOLDER/sp-robokassa-result.php
- method of sending to Result URL4 : POST
- Success URL5 : http://YOUR_SITE.RU/FOLDER/sp-robokassa-success.php
- method of sending in Success URL6 : GET
- Fail URL7 : http://YOUR_SITE.RU/FOLDER/sp-robokassa-fail.php
- method of sending to Fail URL8 : GET
- NOTE: In order for your shop to work, your site must have PHP support.
Store activation
If everything is working correctly, you will see a green activation button in your store.

Click on the button and a box with activation details will open. If some data is missing, the fields with missing data will be highlighted.
ROBOKASSA activation in Smart Payment account
In order to activate ROBOKASSA in your account, fullfil all required fields and click save.

After activation you will be able to use ROBOKASSA as payment option.

In order to check whether you have set everything up correctly, click on the "Pay" button and you should be redirected to the ROBOKASSA payment page:
Now you can accept payment via ROBOKASSA!
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If you have any questions, please contact support.
Sincerely, Smart Payment Team!