API v2.0

Cashier API Documentation

Integrate payments into your application with our simple and powerful API. Accept PIX, credit cards, and more payment methods in Brazil.

Get StartedAPI Reference

Base URL

https://cashier.flowpayment.net

Everything you need to accept payments

Authentication

Secure API key authentication for all your requests

Checkout Sessions

Hosted checkout pages with multiple payment methods

Direct Payments

Process payments directly via API for custom integrations

Webhooks

Real-time notifications for payment status updates

Quick Example

Create a Checkout Session
curl -X POST https://cashier.flowpayment.net/api/v1/checkout \
  -H "X-API-Key: sk_live_your_api_key" \
  -H "Content-Type: application/json" \
  -d '{
    "amount": 100.00,
    "currency": "BRL",
    "success_url": "https://yoursite.com/success",
    "cancel_url": "https://yoursite.com/cancel"
  }'