Best Practices for Handling Payment Response Validation in API Integrations

[samAndrew]

I am working on refining the validation flow for payment responses when integrating with the CyberSource APIs. My current setup handles basic success and error codes, but I want to ensure the validation process is fully aligned with recommended best practices, especially when dealing with edge cases such as partial approvals, delayed settlements, and unexpected response structures.

For developers who have implemented robust validation layers:
• What additional checks or conditions did you find necessary beyond the standard response fields?
• Did you implement any internal retry logic or fallback handling for intermittent API response issues?
• How do you structure your logging or monitoring to trace anomalies efficiently?

I would appreciate any guidance or patterns that have worked well for others working with CyberSource’s REST or SOAP APIs.

[Elio]

Validate full transaction status, AVS/CVV, partial approvals, and pending settlements. Use idempotent retries for failures, log all responses with timestamps and IDs, and monitor for anomalies to handle edge cases efficiently.