API Modules
Browse the available API modules to find the endpoints you need. Each module includes OpenAPI specifications, request/response schemas, and try-it-out examples.
Select a module below to explore endpoints, authentication requirements, and integration patterns.
Authentication
Secure your application with various authentication methods and best practices for API security.
Webhooks
HTTP headers, HMAC verification, and sample payloads for payment success, refunds, disputes, and other Swirepay events.
Test your integration
Sandbox test card numbers, ACH account fixtures, and simulated outcomes—including 3D Secure, declines, and error messages.