App subscriptions or digital goods — a55 gives you one SDK and API to accept the methods your LATAM users actually use (PIX, boleto, local cards, wallets) and routes every transaction for approval. Skip the app-store tax and the per-country integration nightmare; keep your margins, your data, and your control.
a55 gives you the lowest flat rate on the internet. No hidden fees, no surprise take rates. More revenue in your pocket means more runway for your next build.
a55 gives developers full-stack control, no platform cuts, and one clean integration for cards, PIX, boleto, wallets, and 10+ local methods across Latin America.
import { A55Checkout } from '@a55/sdk';
const checkout = new A55Checkout({
apiKey: 'pk_live_...',
theme: 'auto',
});
// One-click checkout in 3 lines
checkout.mount('#checkout-container');
checkout.on('success', (txn) => {
console.log('Paid:', txn.amount);
});In a flash, developers can launch a55 Checkout with a clean API — cards, PIX, boleto, and smart routing across 7 countries. No sales calls, no red tape, just a simple setup.
Developer quick-start
Other processors take their share. a55's flat 2.1% + $0.30 keeps your earnings intact.
a55 connects your app to cards, PIX, boleto, and 10+ local methods across 7 countries — through one clean API, no friction.
Embed a smooth, secure experience that looks and feels like you built it yourself. a55's checkout blends seamlessly with your UI and scales instantly.