Secure payment form integration directly on your website. Customers stay on your domain throughout checkout while Authorize.Net handles payment data securely. Best balance of customization and PCI compliance. Setup in 4-8 hours.
What is Direct Post Method?
Direct Post Method (DPM) allows you to host the payment form on your own website while Authorize.Net securely processes the payment data in the background. Customers see your URL throughout the entire checkout experience, creating seamless branding while you benefit from reduced PCI compliance scope since sensitive card data never touches your servers.
Payment form displays on your domain URL—no redirect to Authorize.Net. Creates seamless, trusted checkout experience. Customers never see external domains or confusing redirects.
Style payment form to match your website using custom CSS. Control layout, colors, fonts, and branding. More design flexibility than Simple Checkout while maintaining security.
Authorize.Net hosted form fields handle sensitive card data—never touches your server. Simplifies PCI compliance compared to full API integration. Lower security liability and compliance costs.
How Direct Post Method Works
Understanding DPM's technical flow helps you implement it correctly and troubleshoot any issues during integration.
Customer completes shopping and proceeds to checkout on your website. Your payment page loads displaying order summary and payment form. Form appears on your domain URL with your branding and design. Customer sees seamless, professional checkout experience.
When customer submits payment, form posts directly to Authorize.Net secure servers (not your server). Payment data encrypted during transmission using SSL/TLS. Your server never receives or processes raw card numbers. Authorize.Net validates and processes payment in real-time.
Authorize.Net posts transaction response back to your specified relay response URL on your server. Response includes transaction ID, approval/decline status, and customer information (but not card details). Your server receives response securely using hash validation to prevent tampering.
Your relay response script processes transaction result and displays appropriate confirmation or error page to customer. Update order database, send email receipts, trigger fulfillment. Customer remains on your domain throughout entire process—never sees Authorize.Net branding or URLs.
Why Choose Direct Post Method?
DPM provides the sweet spot between ease of implementation and checkout customization, making it ideal for growing businesses.
Customers never leave your website or see external URLs during checkout. Your domain displays throughout entire payment process. Maintains trust and reduces cart abandonment compared to redirect methods. Professional, cohesive brand experience increases conversion rates.
Full CSS control to style payment form matching your website design. Custom layout, colors, typography, and branding elements. Add custom form fields for shipping, special instructions, or marketing opt-ins. Significantly more flexible than Simple Checkout hosted pages.
Hosted payment fields mean card data never touches your server—reduces PCI scope dramatically. Simpler PCI compliance than full API integration (SAQ A-EP vs SAQ D). Lower security liability and compliance costs. Authorize.Net maintains PCI Level 1 certification for you.
Payment form stays on your mobile-responsive website—no jarring redirects on mobile devices. Better mobile conversion rates compared to redirect methods. Hosted fields work seamlessly on iOS and Android. Support for mobile wallets like Apple Pay and Google Pay with additional configuration.
START's integration experts provide hands-on support for DPM implementation. Get merchant account approved in 1-5 days with expert technical guidance throughout setup.
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