Accept Payments Instantly with Katu9
The fastest way to integrate UPI and bank transfer payments into your product. Real-time webhooks, developer-first APIs, and a beautiful dashboard. Start accepting payments in minutes.
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Built for fast, reliable payments
Katu9 is designed for developers and teams who want to accept UPI and bank transfer payments with minimal effort. Enjoy 99.99% uptime, instant notifications, and a blazing-fast API.
Monitor all your transactions as they happen. Instant webhooks and dashboard updates.
Get help via email, chat, or our Telegram community. We love supporting businesses!
99.99% Uptime
Instantly see every payment, refund, and webhook event. Never miss a transaction.
Why choose Katu9?
Designed for developers and product teams who want to launch payments fast and scale confidently. Our APIs, webhooks, and dashboard are built for reliability and speed.
Lightning Fast
Payments are processed instantly. No waiting, no delays.
Powerful API
Modern REST API with webhooks, sandbox mode, and full documentation.
Secure & Compliant
PCI DSS compliant, secure by default, and trusted by top brands.
Developer Experience
Built by developers for developers. Fast onboarding, great docs, and real support.
Katu9 in numbers
Trusted by thousands of Indian businesses, startups, and developers. We process millions of transactions every month.
Active Merchants
Monthly Transactions
Uptime Guarantee
Start Accepting Payments
Ready to launch? Go live with Katu9 in minutes. No paperwork, no hassle.