Reference

You can use the following reference pages to understand how Klarna payments work, including API usage, supported countries, error handling, and implementation best practices:

• Supported countries: You can view the list of countries and regions where Klarna payments are available through PayPal.
• Legal and privacy requirements: You can review legal requirements, privacy considerations, and compliance guidelines for Klarna integration.
• Error codes: You can troubleshoot integration issues with detailed error code explanations and resolution steps.
• Rate limiting: You can understand API rate limits, best practices for request management, and retry strategies.
• Implement idempotency: You can ensure reliable payment processing by implementing idempotency patterns for API requests.