Attachments: Up to 2 attachments (including images) can be used with a maximum of 512.0 KiB each and 1.0 MiB total.
Thanks for bringing this to our attention. This should only be affecting sandbox environment. I'll update you on our progress as we handle this issue.
2 People are following this question.
Third Party Payment Processing
Is there any code in nodejs to convert RSA/OAEP/SHA1 encryption for Build Payment
Processing Remote Payments
developer pay api master card
Do all payment integrations requirte develper account, app submission, oath