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

# What You Should Know

> Key concepts and requirements before integrating Waftpay.

Before integrating Waftpay APIs, here are the essentials:

## 1. Environments

* **Sandbox (Dev)**: Test everything with demo currency.
* **Production (Live)**: Real customers and real transactions.
* Each environment has its **own base URL** and **API credentials**.

## 2. Authentication

* Waftpay uses **Authentication Client Credentials**.
* Your backend exchanges a **Client ID** + **Client Secret** for a **short-lived bearer token**.

## 3. Currency & Regions

* Expansion to more currencies will be announced soon.

## 4. Webhooks

* Waftpay notifies you about **transaction updates** via webhooks.
* Always verify signatures to ensure authenticity.

## 5. Error Handling

* APIs return **standardized error codes**.
* Handle gracefully  retry where safe, or alert users when manual action is required.

Keep these in mind, and your integration will be smoother.