--- url: >- https://acquirer-api-docs-v4-en.pingpongx.com/en/notes/guide/bestPractices/apmDemo/index.md description: >- Introduces best practices for APM integration methods, suitable for developers who need to integrate local payment methods such as Klarna. The content covers methods for simulating payment effects, emphasizing that checkout page product information is independent from actual payment request parameters, facilitating flexible testing and development. --- ::: note Note This solution only simulates the payment effect of APM (such as klarna). The product information on the checkout page is for display purposes only. The payment request parameters are independent of the product information display data, allowing request parameters to be modified to simulate order placement. :::