Open Source Payment Gateway

Sovereign Payments,
Zero Fees.

NoxPay is an open-source, self-hosted payment gateway for modern businesses. Process UPI and Crypto payments directly to your accounts - keep 100% of your revenue.

Read the Docs

Transaction Fees

<30s

Verification Time

100%

Self-Hosted

Everything You Need

Enterprise-grade payment infrastructure, without the enterprise price tag.

🔐

Zero Trust Architecture

Payments verified via direct bank email polling or blockchain RPCs. Your keys, your funds - no third-party ever touches your money.

⚡

Real-time Webhooks

HMAC-SHA256 signed webhooks delivered instantly on payment success. Automatic retries with exponential backoff for guaranteed delivery.

🌍

Global Crypto Payments

Accept USDT (TRC20), Solana, and Polygon payments from anywhere in the world with zero gateway fees and zero chargebacks.

💳

Modern Checkout

Live QR codes, real-time status polling via WebSockets, countdown timers, multi-language support, and embeddable widgets.

🏢

Multi-Tenant Ready

Row-Level Security isolates merchant data at the Postgres level. Perfect for SaaS platforms and marketplace operators.

🛠️

100% Open Source

MIT licensed. Fork it, modify it, deploy it on your own infrastructure. No vendor lock-in, no surprise pricing changes.

FREE TOOL - No Account Required

🔗 UPI Payment Link Generator

Create shareable UPI payment links & QR codes instantly. Works with Google Pay, PhonePe, Paytm, BHIM & all UPI apps. No signup, no fees.

Create Free Link →

✅ 100% Free

🔒 Zero Data Stored

📱 All UPI Apps

📋 QR Code Output

How It Works

Four simple steps from payment creation to confirmation.

Create Payment Intent

Your server calls the NoxPay API with amount, currency, and order ID.

POST /api/v1/intents/create-payment

Show QR / Redirect

Display the QR code or redirect the customer to the hosted checkout page.

checkout_url → customer

Payment Verified

Worker detects the bank email or blockchain transaction and verifies it automatically.

status: "pending" → "settled"

Webhook Delivered

Your server receives a signed webhook with the payment confirmation.

POST webhook → payment.success

NoxPay vs The Rest

See why developers are choosing self-hosted over traditional gateways.

Feature	NoxPay	Razorpay	Stripe	PayPal
Transaction Fee	0%	2%	2.9% + 30¢	2.9% + 30¢
International Fee	0% (crypto)	3%+	4.4%+	4.4%+
Cards/Net Banking	❌ No	✅ Yes	✅ Yes	✅ Yes
Self-Hosted	✅ Yes	❌ No	❌ No	❌ No
Open Source	✅ MIT	❌ No	❌ No	❌ No
UPI Support	✅ Direct	✅ Via API	❌ No	❌ No
Crypto Support	✅ USDT/SOL	❌ No	❌ No	❌ No
Chargebacks	Zero	Possible	Possible	Frequent
Data Sovereignty	✅ Your DB	❌ Theirs	❌ Theirs	❌ Theirs

Integration in Minutes

A single API call to create a payment. Works with any language.

create-payment.sh

curl -X POST https://your-app.vercel.app/api/v1/intents/create-payment \
  -H "X-Client-ID: your-client-id" \
  -H "X-Client-Secret: sk_live_..." \
  -H "Content-Type: application/json" \
  -d '{
    "amount": 499.00,
    "currency": "UPI",
    "order_id": "ORDER_001"
  }'

Ready to Own Your Payments?

Deploy NoxPay in minutes. Keep 100% of your revenue. No credit card required.