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

# Introduction

> Processing Payments with Payblis API

The Payblis API allows merchants to securely process payments on behalf of their customers. This guide outlines the essential steps to integrate with the Payblis platform and manage transactions efficiently.

## Base URL

<Card title="Production URL" icon="code">
  [https://pay.payblis.com/api](https://pay.payblis.com/api)
</Card>

<Note>
  Sandbox Environment

  * Use for testing and development
  * No real transactions processed
  * Identical API structure to production
</Note>

## Authentication

Secure your integration using your **Merchant Key** and **Secret Key**. Keep these credentials secure and never expose them publicly.

<Warning>
  Security Warning Your Merchant Key and Secret Key are unique to your account. Never share them or commit them to version control.
</Warning>

<Note>
  HMAC Signature All requests must be signed using HMAC-SHA256 for enhanced security. The signature is calculated using your Secret Key.
</Note>