PHP Crypto Currency Exchange Script 2025

Here’s a PHP Crypto Currency Exchange Script that allows users to exchange different cryptocurrencies using a simple interface. It includes:

✅ Fetching live crypto exchange rates via an API (CoinGecko or Binance)
✅ Converting between different cryptocurrencies (e.g., BTC to ETH, BTC to USDT)
✅ A simple and clean UI

1. Install & Setup

Table of Contents

API Key (Optional)

This script uses the CoinGecko API (which doesn’t require an API key). However, you can use Binance or other providers if needed.

2. PHP Crypto Exchange Script (index.php)

<?php
// Function to fetch live crypto exchange rate
function getCryptoExchangeRate($from, $to) {
    $api_url = "https://api.coingecko.com/api/v3/simple/price?ids=$from&vs_currencies=$to";
    $response = file_get_contents($api_url);
    
    if ($response) {
        $data = json_decode($response, true);
        return $data[$from][$to] ?? false;
    }
    return false;
}

$message = '';

if (isset($_POST['convert'])) {
    $from_currency = strtolower($_POST['from_currency']); // BTC, ETH, USDT
    $to_currency = strtolower($_POST['to_currency']); // BTC, ETH, USDT
    $amount = floatval($_POST['amount']);

    if ($from_currency !== $to_currency) {
        $exchangeRate = getCryptoExchangeRate($from_currency, $to_currency);
        
        if ($exchangeRate) {
            $convertedAmount = $amount * $exchangeRate;
            $message = "Converted Amount: " . number_format($convertedAmount, 8) . " " . strtoupper($to_currency);
        } else {
            $message = "Error fetching exchange rate.";
        }
    } else {
        $message = "You cannot exchange the same currency.";
    }
}
?>

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Crypto Exchange</title>
</head>
<body>
    <h2>Crypto Exchange Platform</h2>
    <form method="POST">
        <label>Amount:</label>
        <input type="number" step="0.00000001" name="amount" required>
        
        <label>From:</label>
        <select name="from_currency">
            <option value="bitcoin">BTC</option>
            <option value="ethereum">ETH</option>
            <option value="tether">USDT</option>
        </select>

        <label>To:</label>
        <select name="to_currency">
            <option value="bitcoin">BTC</option>
            <option value="ethereum">ETH</option>
            <option value="tether">USDT</option>
        </select>

        <button type="submit" name="convert">Convert</button>
    </form>

    <?php if ($message) : ?>
        <h3><?php echo $message; ?></h3>
    <?php endif; ?>
</body>
</html>

🔥 How It Works

The user enters an amount and selects From and To currencies.
The script fetches the latest exchange rate using CoinGecko’s API.
It calculates the converted amount and displays it.

🚀 Next Steps (Enhancements)

Database Integration: Store transaction history.
User Authentication: Allow users to track their conversions.
Fiat Support: Convert crypto to USD, EUR, etc.
Wallet Integration: Allow deposits and withdrawals.

Money Exchange PHP Full Script – Best currency exchange PHP scripts

Top Features

Nice Responsive Design
Fully Customizable
Easy to use
100% PHP sources. Non-encrypted.
Easy Installaton
20+ Cryptocurrencies Supported
20+ Payment Gateways Integrated
Bitcoin Auto Payment
100% Secured
Auto Exchange Mode
Supports Google Currency Convertor API
Manual Exchange Mode
Multilanguage
Auto Exchange Rate Update
Earnings System
Withdrawals System
Referral System
Account Verification
Works with Any Currency
Email Notifications
Gateways Logos

ADMIN PANEL :

Manage Currencies
Manage Gateways
Users Management
View/Edit/Delete Testimonials
Withdrawal Requests
Reserve Requests
Exchange Directions
Manage News
Email Members
Email Templates
Website Settings
Site Stat
Reports
and more …

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PHP Crypto Currency Exchange Script