---
title: Iframe Kits
description: Integrate airpay using iframe kits for seamless payment integration.
---

This guide is for the integration of Iframe (inline frame) Kits backend with airpay payment application in different languages. If steps are correctly followed as per the documentation, the installation will be successful.

Following are the steps:

```
 step 1: Collect and Configure Date

 Collect Data: Use transaction.html to gather buyer details (email, phone, name, address, order ID, etc.)
 Configure Settings: Set up config.php with your airpay account details (username, password, secret, etc.)

 step 2: Process and Send Data

 Send Data: Process and encrypt data in send to airpay.php. Include validation.php  and  functions.php for validation and encryption.
 Utility Functions: Use functions.php for encryption, decryption, and checksum calculations.

 step 3: Handle Responses and Errors

 Handle Response: Use response from airpay.php to process and validate airpay response.
 Redirect to error.php if validation fails.

```

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