From Invoice to Confirmation
Learn how modern payment systems handle transactions securely across traditional fiat payments, cryptocurrencies, and API-based gateways from the moment an invoice.
Create Invoice
Get Payment
Confirmation
How We Process Payments Securely
🔒 All transactions are encrypted end-to-end, and processed through secure, PCI-compliant infrastructure
Email Verification
Confirm your email address to activate account communication.
Phone Verification
Secure your account with OTP-based phone verification.
KYC Verification
Submit identity documents to meet regulatory requirements.
Business Verification
Verify business details to unlock payment and invoicing features.
How Fiat Payments Work
A simple and secure process that allows anyone to pay using supported fiat payment methods.
Receive Payment Link
Once the invoice is created, a secure payment link is generated instantly.
Customer Makes Payment
Anyone can complete the payment using available fiat payment gateways.
Create Invoice
Create an invoice by selecting a supported fiat currency and entering the payment amount.
Share the Payment Link
Share the payment link with customers or clients via email, message, or website.
Payment Confirmation
The payer is redirected to a success or failure screen, and the transaction status updates in real time.
How Crypto Payments Work
Accept cryptocurrency payments through a transparent, blockchain-based process.
Create Invoice
Create an invoice by selecting a supported fiat currency and entering the payment amount.
Get Payment Link & Wallet Address
The system generates a secure payment link and a unique crypto payment address.
Share Payment Details
Share the payment link or wallet address with the payer.
Customer Sends Crypto
The payer completes the transaction using their crypto wallet via the supported gateway.
Payment Confirmation
The payer is redirected to a success or failure screen, and the transaction status updates in real time.
API-Based Payment Flow
Fiat payments are transactions made using government-issued currencies such as the US Dollar (USD), Euro (EUR), or Bangladeshi Taka (BDT).
2
Redirect to Payment Page
The API returns a payment URL where the user completes the transaction.
4
Final Payment Confirmation
Handle success or failure responses securely in your system.
1
Initiate Payment
Send a payment request using valid and authorized API credentials.
3
Instant Status Updates via IPN
Real-time payment updates via IPN, webhooks, and redirects
5
Redirect to success or failure
After successful payment, users are redirected to a confirmation screen.
Before You Create Any Payment
To ensure security, compliance, and fraud prevention, all users must complete the following verification steps before initiating payments.
Encrypted payment links
All payment URLs are encrypted end-to-end for maximum security
Secure API authentication
Industry-standard authentication protocols protect every API call
Compliance-ready verification
Built-in KYC/KYB flows meet global regulatory requirements
Trusted payment infrastructure
Enterprise-grade infrastructure ensures 99.9% uptime
Ready to Power Your Global Payments?
Join 10,000+ businesses already using NexaPay to process billions in crypto and fiat transactions worldwide.
Create free Account