Documentation

Developer resources for Cardzo integrations

Use these guides to integrate quickly, test safely, and operate confidently in production.

Core APIs

Authorization, capture, refund, payout, and dispute endpoints with predictable request models.

Webhooks

Event streams for payment lifecycle updates, operational alerts, and reconciliation signals.

Security

Authentication patterns, signing requirements, and recommendations for secure key management.

Testing

Sandbox guidance for scenario-driven testing across payment outcomes and failure states.

Integration lifecycle

Phase 1

Setup

Create credentials, configure environments, and validate auth flows.

Phase 2

Test

Run success, failure, retry, and reconciliation scenarios in sandbox.

Phase 3

Launch

Deploy progressively and monitor with alerts and operational dashboards.

Frequently referenced topics

  • - Idempotency patterns for payment safety
  • - Event handling best practices for webhook reliability
  • - Dispute and refund event synchronization
  • - Settlement reporting and export conventions

Need implementation guidance?

Work with Cardzo architects to align technical integration with launch readiness and compliance goals.