Trusted by 10,000+ businesses worldwide

Payments that stack up for your business

Stack Pay is a modern payment gateway built for speed, security, and simplicity. Accept cards, wallets, and bank transfers — all through one powerful API.

Start accepting payments View documentation

99.99%

Uptime SLA

150+

Countries

<200ms

Avg. response

Live transaction Completed

$2,450.00

Payment from Acme Corp

Method Visa •••• 4242

Transaction ID sp_tx_8f3k2m9x

Fee $24.50

Fraud blocked

$0 lost

Powering payments for innovative companies

NovaTech CloudBase FinEdge ShopFlow DataSync

Everything you need to get paid

From checkout to settlement, Stack Pay handles the complexity so you can focus on growing your business.

Lightning fast

Sub-200ms payment processing with global edge infrastructure for instant checkouts.

Bank-grade security

PCI DSS Level 1 certified with end-to-end encryption and advanced fraud detection.

Developer-first API

Clean REST API, webhooks, and SDKs for PHP, Node, Python, and more.

Global coverage

Accept 135+ currencies and local payment methods across 150+ countries.

Real-time analytics

Live dashboards, revenue reports, and payout tracking from a single control panel.

24/7 support

Dedicated merchant support with average response times under 2 minutes.

Go live in minutes

Three simple steps from signup to your first payment.

Create account

Integrate API

Add our SDK or drop in our hosted checkout. Test in sandbox mode.

Start earning

Go live and receive payouts to your bank on your schedule.

Built for developers

Integrate with a few lines of code

Our REST API is intuitive and well-documented. Use webhooks for real-time events and our sandbox to test every scenario before going live.

Full API reference & interactive docs
Official SDKs for 8+ languages
Sandbox environment with test cards
Webhook signature verification

payment.php

use StackPay\StackPayClient;

// Initialize the client
$stackPay = new StackPayClient('sk_live_...');

// Create a payment
$payment = $stackPay->payments->create([
    'amount'   => 245000,
    'currency' => 'usd',
    'source' => 'tok_visa',
]);

echo $payment->status; // "succeeded"