As one of the security protocols, Visa Developer sandbox secures its connections with clients by means of Two-Way SSL (Mutual Authentication) method. Refer to the link below to quickly learn about how to get credentials to start building with Two-Way SSL.
Visit the Two-way SSL Guide to learn more.
Due to the sensitive nature of account information being sent, message-level encryption is required for API usage. Refer to the link below to quickly learn about message-level encryption.
For details, refer to the Message Level Encryption Documentation.
You will receive credentials and certificates for both SSL and MLE usage within your Visa Developer Account. Promotion requests to higher-level environments to occur within the Visa Developer Center user account.
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