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

# Getting started with Dintero Checkout

> Step-by-step guide to integrating Dintero Checkout — create an API client, create a session, display the checkout, and complete the customer's payment.

### Step by step

1. Create an API client - See more info [here](/docs/checkout/checkout-client).
2. Create a payment session - See more info [here](/docs/checkout/create-session).
3. Display the checkout - See more info [here](/docs/checkout/display-checkout).
4. Complete payment

#### Authentication

Authentication - See more info [here](/docs/checkout/checkout-client#authentication).

#### Postman

Postman guide - See more info [here](/docs/checkout/postman-checkout-guide).

#### Dintero checkout demo

Dintero checkout demo - See more info [here](/docs/checkout/demo-store).