BIN Detection
Automatically detects card schemes (Visa/Master, etc.) and pre‑matches the correct 3D Secure flow before the user finishes typing, reducing input errors.
2026 Subscription Management Standard
Automated renewal management that boosts revenue by 60%. HaiPay provides an intelligent credit‑card subscription payment solution for SaaS, content platforms, and membership services.


By combining AI recognition with behavioral engineering, we elevate conversion rates to industry‑leading levels.
Users complete their first subscription within 3 seconds, boosting conversion rates by 45% and significantly reducing bounce rates.
+45% Conversion Lift
Automatically fills and corrects card details, reducing input errors by 85% for smoother payments.
−85% Error Rate
Supports 135+ currencies and displays local prices in real time, increasing international conversion rates by 60%.
+60% International Conversion Lift
Step‑by‑step, focused data collection reduces cognitive load and lowers abandonment rates by 70%.
−70% Abandonment Rate
Say Goodbye to Complexity,
Payment is not just the transfer of money — it is the foundation of trust. With intelligent card recognition and progressive forms, we shorten the subscription path by 70%.

Designed for SaaS platforms, media subscriptions, and AI gateways, delivering fully automated billing workflows.
Fixed‑Cycle Billing
Supports monthly or annual auto‑renewals, ideal for standard membership services.
Usage‑Based Billing
Accurately bills based on API calls, storage usage, or active users.
Hybrid Billing Model
Combines base recurring fees with usage overages to support complex enterprise requirements.
| Functional Module | Core Capabilities | Configuration Options |
|---|---|---|
| Trial Period Management | Free trials, paid trials, usage‑limited trials | Auto‑conversion / manual confirmation, expiration reminders |
| Subscription Change | Upgrade / downgrade handling | Immediate or next‑cycle effect, prorated billing |
| Automatic Renewal | Intelligent retry mechanism | Retry count, interval, notification strategy |
| Cancellation Process | Immediate cancellation / end‑of‑cycle cancellation | Retention offers, reason collection |
| Refund Processing | Full, partial, or prorated refunds | Refund to original payment method, FX gain/loss handling |
Smart Retries Feature: Uses machine learning to determine optimal retry timing, reducing churn caused by failed payments by 30–45%.
Industry Solutions
Pain Points
Solutions
Low customer renewal rate
Smart Retry Engine
High payment failure rate
Global Card Network Support
Significant differences in global user payment behaviors
Flexible Billing Models
Not just payments — a foundational engine for your entire subscription ecosystem.
Automatically detects card schemes (Visa/Master, etc.) and pre‑matches the correct 3D Secure flow before the user finishes typing, reducing input errors.
AI predicts optimal retry timing and selects low‑risk retry strategies, improving success rates by 20%.
Sensitive card data never touches your servers. HaiPay Elements ensures top‑level compliance and protects your brand with minimal integration effort.
We provide SDKs in multiple languages and a complete Webhook system. Whether your architecture is monolithic or microservices‑based, HaiPay integrates seamlessly.
Supports Python, Node.js, Go, Java, PHP
Full-featured sandbox testing environment
Real‑time Webhook notifications for order status updates
checkout_session.py
Full Card Network Coverage, Reaching Every User Worldwide
Real‑time local currency settlement
Eliminates FX uncertainty and improves user experience.
Pricing plans designed for scaling subscription businesses
Simple and predictable, ideal for SMEs
2.9% + $0.30
Invoice‑level transparency, ideal for high‑volume enterprises
Interchange ++