Can you please let me know what form you filled out and are referring to? For information on VisaNet, please navigate to the link below.
You have reached Visa Developer Platform where you can integrate with Visa's APIs according to your needs.
Please refer to the below link for all the APIs exposed through the platform and pick the right one that fit your needs.
If you are looking for Payment Methods to integrate with VisaNet, please refer to the below link.