📄️ Authentication
How to use Basic Authentication to authenticate each request to the Capstone API.
📄️ Decline Recovery (BETA)
Note: This feature is in beta.
📄️ Address Verification Service
The Address Verifcation Service (AVS) compares the address and postal code provided with the information on file with the credit card issuer.
📄️ Iframe Customization
Custom CSS
📄️ Subscriptions
Capstone's subscription service allows you to run recurring transactions.