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

# Integrate Yuno from your own backend

> Run the full payment lifecycle through the Yuno API from a PCI-compliant backend (no SDK on the front end).

Guide hub

10 pages

Use these pages when your backend sends card data or tokens to Yuno directly. Each page covers one call in the payment lifecycle and the requirements to meet before you send it.

> **[Start here: Direct Flow Integration](/docs/direct-integration-use-cases/direct-flow.md)**
>
> Guide The DIRECT and REDIRECT workflows for payments and enrollments, and what your backend sends in each.

## 01 Set up

> **[Set up a payment connection](/docs/direct-integration-use-cases/set-up-payment-connection.md)**
>
> Guide The connection, route, checkout builder and API credentials a direct payment needs.

> **[Yuno Testing Gateway](/docs/direct-integration-use-cases/yuno-testing-gateway.md)**
>
> Guide Enable the test gateway and run card payments with sandbox test cards.

## 02 Build

> **[Create payments](/docs/direct-integration-use-cases/create-payment-basic.md)**
>
> Guide Create a customer, then a basic payment, with the request for each step.

> **[Capture payments](/docs/direct-integration-use-cases/capture-payments.md)**
>
> Guide Capture a pending authorization when you are ready to charge it.

> **[Cancel payments](/docs/direct-integration-use-cases/cancel-payments.md)**
>
> Guide Cancel a pending payment manually with the Cancel Payment endpoint.

> **[3DS configuration and testing](/docs/direct-integration-use-cases/3ds-configuration-and-testing.md)**
>
> Guide Route card payments through 3D Secure and test frictionless and challenge flows.

## 03 Operate

> **[Refunds](/docs/direct-integration-use-cases/unreferenced-refunds-overview.md)**
>
> Concept Every refund flow Yuno supports, unreferenced refunds included, and when to pick each.

> **[Refund payments](/docs/direct-integration-use-cases/refund-payments.md)**
>
> Guide Refund a captured payment fully or partially and read the refund result.

> **[Build reports](/docs/direct-integration-use-cases/build-reports.md)**
>
> Guide Request, check and download payment, transaction and settlement reports.

## Related API

Reference [Create payment](/reference/payments/create-payment.md) [Capture authorization](/reference/payments/capture-authorization.md) [Refund payment](/reference/payments/refund-payment.md) [Create a report](/reference/reports/create-a-report.md)

## Next

<ol>
  <li>[Configure webhooks](/docs/webhooks/configure-webhooks.md)Guide Get payment status changes pushed to your backend instead of polling.</li>
  <li>[Stored credentials](/docs/payment-features/stored-credentials.md)Guide Mark repeat card charges as CIT or MIT so they follow scheme rules.</li>
  <li>[PCI compliance](/docs/security-and-compliance/pci-compliance.md)Concept How tokenization changes the PCI DSS scope your systems carry.</li>
  <li>[Developers](/docs/developers.md)Reference Base URLs, API keys, OpenAPI specs and SDK versions on one page.</li>
</ol>


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