> ## Documentation Index
> Fetch the complete documentation index at: https://developer.hellgate.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Overview

> Unified API for payments, transactions, and payment methods.

Built on a flow-based micro-kernel architecture, Commerce enables you to define custom payment flows tailored to your business requirements. Easily integrate with various payment processors, gateways, and services to streamline your workflows and improve conversion rates.

<Card title="Customer Initiated" icon="user" href="/products/commerce/v2/payments/customer/overview">
  Process payments when the customer is present and initiates the payment.
</Card>

<Card title="Merchant Initiated" icon="credit-card" href="/products/commerce/v2/payments/merchant">
  Process payments when the customer is not on-session with Commerce.
</Card>

<Card title="Manage Payments" icon="gears" href="/products/commerce/v2/payments/management/overview">
  Capture, void, and refund payments.
</Card>