Getting started

• Quick-start guide
• Check payment form requirements
• Testing: prohibited actions

Integration methods

• Supported integration methods
• Express checkout flow
• Server-to-server
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Payments

• Supported payment methods
• Transaction object
• Payment actions: types, modes, and statuses
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Instant payment notification (IPN)

• IPN validation and structure
• Process IPNs
• IPN response format and retry policy

Plugins

• NATS
• WordPress

Decline codes

• Issuer decline codes & Merchant advise codes (MAC)
• Gateway decline codes

How-To's

• Create billing structures for an SKU object
• Deal with "Strong Customer Authentication required" declines
• Determine transaction status
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Suspicious activity

• Escalations

Dashboard user guides

• Merchant portal (new Dashboard)
• Clients portal (old Dashboard)