Is it possible to validate MasterCard cards for OCT through the Visa system via an API?
Please let us know which API product your question is related to? You can check our website for specific APIs relevant to your business case.
I am also looking to validate MasterCard cards for OCT through the Visa system via an API.
Visa Direct supports Visa and Mastercard. Here's the link to the Visa Direct API - https://developer.visa.com/capabilities/visa_direct