Welcome to ZendFi

Accept SOL, USDC, and USDT payments in 7 lines of code. Built for e-commerce.

import { zendfi } from '@zendfi/sdk';

const payment = await zendfi.createPayment({
  amount: 50,
  description: 'Premium subscription',
});

console.log(payment.payment_url); // Send customer here

That's it. Same simple API for all your payment needs.

Why ZendFi?

Start Simple

Integrate crypto payments in 5 minutes. If you've used Stripe, you already know how ZendFi works.

• 0.6% fees (vs Stripe's 2.9%) — Save 81% on transaction costs
• Instant settlements — Get paid immediately, no 7-day holds
• No chargebacks — Crypto payments are final
• QR codes included — Mobile wallet support via Solana Pay
• Test mode free — Unlimited devnet testing

Scale Up

Add advanced features as you grow. No architecture changes needed.

• Subscriptions — Recurring billing with trials and webhooks
• Payment Links — Reusable checkout pages for social/email
• Embedded Checkout — Accept payments directly in your app, no redirects
• Installments — Buy now, pay later flows
• Invoices — Professional invoicing with email delivery
• Payment Splits — Revenue sharing for marketplaces

What Can You Build?

Use Case	Features You'll Use
E-commerce Store	Payments, Payment Links, Webhooks
SaaS Platform	Payments, Subscriptions, Webhooks
Marketplace	Payments, Payment Splits, Invoices
Creator Tools	Payment Links, Subscriptions

Quick Links

Resource	Description
Get Started	Create your first payment in 5 minutes
Payments API	Complete API reference
Embedded Checkout	Accept payments in your app
Subscriptions	Recurring billing
Webhooks	Real-time notifications

Core Concepts

Payments

One-time payment requests. Customer scans QR code or clicks payment link. Funds arrive instantly in your wallet.

Payment Links

Reusable checkout pages. Share one link with multiple customers. Perfect for social media and email.

Embedded Checkout

Accept payments directly in your website or app—no redirects required. Seamless user experience with full customization.

Subscriptions

Recurring billing with flexible intervals. Free trials, automatic payments, webhook notifications.

Webhooks

Real-time event notifications. Know instantly when payments are confirmed, subscriptions renew, or issues occur.

AI Agent Support

Let AI agents make payments autonomously with spending limits and cryptographic security. Optional advanced feature.

Getting Help

• Email: support@zendfi.tech
• Discord: discord.gg/zendfi
• Twitter: @zendfi

Ready to accept your first crypto payment? Get started →