I'm new to VISA developer and trying to send requests to https://sandbox.api.visa.com/cofds-web/v1/datainfo to check whether the credit card is valid ...

any one know how to change normal purhcase auth message to preauth in VTS? is it only DE25? ...

I am new to the Visa Developer Platform (VDP) APIs and I am running into issues trying to read the output of the response as a json using php. I follo ...

I am getting an error while implementing visa cyber source using c# code and I have downloaded source code for that after creating a project but getti ...

I am trying to make a GET request to VISA api from .NET Core and I am getting the following error message in WebException The credentials supplied ...

I need to tweak an API https://sandbox.api.visa.com/cybersource/payments/flex/v1/keys?apikey={apikey} I am imitating the official document X-Pay Token ...

I want to create an app like Google Wallet for my country, Romania. I emailed Visa developer and I received the next email. "Hello, Thanks for you ...

Is it possible to freeze money on the card, before buying. And after delivery of the goods, write off the money from the user's card. Is it possible ...

I am trying to implement VISA Developer Foreign Exchange API using CURL but when i send a request, i get Authentication Error message. I am testing th ...