H5 Payment Request API for Secure Online Payments
Jul 16, 2025 am 03:04 AM
The H5 Payment Request API is a technology that enables secure online payment on mobile terminal through the browser's built-in interface. It allows the website to call the user's saved payment method without manually entering information, thus simplifying the process and improving security. To use this API, you need to prepare a supported browser, configure payment methods, build back-end services, and follow the following steps: initialize the PaymentRequest object, set the payment method and amount, display the payment interface, and submit the payment information processing results. Common problems include not displaying payment methods, cross-domain restrictions, HTTPS requirements, user cancellation of payments, etc., which need to be investigated and resolved one by one. It should be noted that domestic browser compatibility may be poor, and access to Alipay and WeChat payment usually requires SDK or intermediate services. Overall, this technology is suitable for international scenarios and is an effective solution to improve the web payment experience.
The H5 Payment Request API is an effective way to achieve secure online payment in modern web development. It allows the website to initiate payment requests directly through the browser, simplifying the user payment process and improving transaction security. This is a technology worth mastering for developers who want to provide a smooth payment experience on the mobile side.
What is the H5 Payment Request API?
The Payment Request API is part of the W3C standard and aims to make it easier for websites to call users’ payment methods (such as credit cards, digital wallets, etc.) without manually entering information. The H5 version is mainly optimized for mobile web pages and supports the integration of multiple payment methods.
Unlike traditional form submissions, it completes operations through the browser's built-in payment interface, where users can complete payments without leaving the current page. This method reduces the churn rate caused by jumps and improves security.
How to use the H5 Payment Request API?
To use this API, you need to prepare the following:
- Browsers that support Payment Request (such as Chrome, Edge, etc.)
- Valid payment method configuration (such as Google Pay, Apple Pay, or other payment gateways)
- Backend services are used to process payment results
The basic process is as follows:
- Initialize the PaymentRequest object
- Set up payment methods and supported payment methods
- Show payment interface and get user confirmation
- Submit payment information to the server for processing
const paymentMethods = [{
supportedMethods: ['basic-card'],
data: {
supportedNetworks: ['visa', 'mastercard']
}
}];
const paymentDetails = {
Total: {
label: "Total",
amount: { value: "100.00", currency: "USD" }
}
};
const request = new PaymentRequest(paymentMethods, paymentDetails);
request.show()
.then(paymentResponse => {
// Process payment results paymentResponse.complete('success');
})
.catch(err => {
console.error("Pay failed:", err);
});It should be noted that not all browsers fully support this API, especially some domestic browsers may have poor compatibility. Therefore, it is recommended to do a good job of compatibility testing before actual deployment.
Frequently Asked Questions and Notes
The following common problems may be encountered during use:
- Payment method does not display : Check whether the correct
supportedMethodsandsupportedNetworksare configured - Cross-domain issues : Make sure the CORS policy is set up in the front and back ends to avoid being intercepted by the browser
- HTTPS Requirements : Payment Request API must be run in an HTTPS environment, otherwise it cannot be called
- User cancels payment : Remember to catch the exception and handle it accordingly, such as prompting "Payment has been cancelled"
In addition, if you want to access the H5 payment interface of third-party payment platforms (such as Alipay and WeChat Pay), you usually need to use its SDK or intermediate proxy services, and cannot be directly implemented through Payment Request.
Conclusion
Overall, the H5 Payment Request API provides a standardized, convenient and relatively secure way to handle web payments. Although it is not widely used in the country, it has gradually become the mainstream in international scenarios. If you are developing a website for users around the world, this is a technology worth trying. Basically, that's all, you can adjust it according to your needs when using it.
The above is the detailed content of H5 Payment Request API for Secure Online Payments. For more information, please follow other related articles on the PHP Chinese website!
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