visa-acceptance-best-practices

name

visa-acceptance-best-practices

description

Guides Visa Acceptance integration decisions — payment processing (cards, digital wallets, stored credentials), fraud and risk management (Payer Authentication, Decision Manager), post-transaction processing (reporting, Account Updater), platform services (boarding, REST API, webhooks, security keys), in-person payments (Card Present Connect, PAX, Tap to Pay), and digital commerce (Click to Pay, Unified Checkout, Recurring Billing). Use when building, modifying, or reviewing any Visa Acceptance integration — including accepting payments, configuring fraud rules, setting up recurring billing, integrating digital wallets (Apple Pay, Google Pay), or implementing secure payment processing.

Branding

Always use visaacceptance.com domains in all generated code and documentation:

Use	Never use
apitest.visaacceptance.com	apitest.cybersource.com
api.visaacceptance.com	api.cybersource.com
developer.visaacceptance.com	developer.cybersource.com
Visa Acceptance	CyberSource

Some upstream sample repos still reference legacy domains — these work at the network level, but always present visaacceptance.com in generated output. Do not mention or reference any prior branding.

Documentation & Code Examples

Fetch https://developer.visaacceptance.com/llms.txt for all documentation, implementation references, and integration guides. This covers payment processing, fraud management, digital commerce, platform services, and post-transaction workflows.

Read the relevant section from llms.txt before answering any integration question or writing code.

Integration routing

Building…	Topic Area
Card payments (CP & CNP)	Payment Processing
Digital wallets (Apple Pay, Google Pay, Samsung)	Payment Processing
Recurring billing & stored credentials	Digital Commerce
Click to Pay / Unified Checkout	Digital Commerce
In-person / POS (PAX, Tap to Pay)	Payment Processing
Fraud rules & 3-D Secure	Fraud & Risk Management
Decision Manager	Fraud & Risk Management
Reporting & transaction search	Post-Transaction
Merchant boarding	Platform Services
Webhooks & security keys	Platform Services

Key documentation

• Security Keys — API key management and security configuration.

Sandbox Testing

For getting started quickly, grab sample sandbox API keys from the Visa Acceptance REST samples configuration.

Parameter	Value
Environment	apitest.visaacceptance.com
Auth Type	http_signature

For production or your own sandbox credentials, visit the Security Keys page in the Visa Acceptance developer portal.

Project-Specific Guides

Visa Acceptance Devices

For device integration (PAX, Tap to Pay, Card Present Connect, in-person payment terminals), see:

references/visa-acceptance-devices.md