按源仓库内容呈现，保留标题、案例、代码、表格、链接以及原文引用的演示图片。
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](references/visa-acceptance-devices.md)