diff --git a/cmd/http/views/index.hbs b/cmd/http/views/index.hbs
new file mode 100644
index 0000000..5560027
--- /dev/null
+++ b/cmd/http/views/index.hbs
@@ -0,0 +1,90 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>BTC Pay Checker</title>
+    <style>
+        body {
+            font-family: Arial, sans-serif;
+            margin: 0;
+            padding: 0;
+            background-color: #f4f4f4;
+        }
+        .container {
+            width: 80%;
+            margin: auto;
+            overflow: hidden;
+        }
+        header {
+            background: #50b3a2;
+            color: white;
+            padding-top: 30px;
+            min-height: 70px;
+            border-bottom: #e8491d 3px solid;
+        }
+        header a {
+            color: #ffffff;
+            text-decoration: none;
+            text-transform: uppercase;
+            font-size: 16px;
+        }
+        header li {
+            float: left;
+            display: inline;
+            padding: 0 20px 0 20px;
+        }
+        header #branding {
+            float: left;
+        }
+        header #branding h1 {
+            margin: 0;
+        }
+        header nav {
+            float: right;
+            margin-top: 10px;
+        }
+        header .highlight, header .current a {
+            color: #e8491d;
+            font-weight: bold;
+        }
+        header a:hover {
+            color: #cccccc;
+            font-weight: bold;
+        }
+    </style>
+</head>
+<body>
+    <header>
+        <div class="container">
+            <div id="branding">
+                <h1><span class="highlight">BTC</span> Pay Checker</h1>
+            </div>
+            <nav>
+                <ul>
+                    <li class="current"><a href="index.html">Home</a></li>
+                </ul>
+            </nav>
+        </div>
+    </header>
+
+    <div class="container">
+        <h2>How to use the /order POST endpoint</h2>
+        <p>This endpoint allows you to create a new order. It requires a JSON body with the following fields:</p>
+        <ul>
+            <li><strong>order_id:</strong> The ID of the order.</li>
+            <li><strong>client_id:</strong> The ID of the client.</li>
+            <li><strong>amount:</strong> The amount in USD that the client wants to pay.</li>
+            <li><strong>currency:</strong> The currency in which the payment will be made. This should be a valid FiatCurrency value.</li>
+            <li><strong>client_email:</strong> The email of the client.</li>
+        </ul>
+        <p>The endpoint will return a JSON response with the following fields:</p>
+        <ul>
+            <li><strong>order_id:</strong> The ID of the order.</li>
+            <li><strong>amount:</strong> The amount in BTC that the client needs to pay.</li>
+            <li><strong>wallet_address:</strong> The wallet address to which the payment should be made.</li>
+            <li><strong>expires_at:</strong> The time at which the order will expire.</li>
+        </ul>
+    </div>
+</body>
+</html>
diff --git a/internal/api/handler/payment.go b/internal/api/handler/order.go
similarity index 100%
rename from internal/api/handler/payment.go
rename to internal/api/handler/order.go
diff --git a/internal/api/server.go b/internal/api/server.go
index e44a8f3..17664ce 100644
--- a/internal/api/server.go
+++ b/internal/api/server.go
@@ -138,7 +138,7 @@ func (s *RestServer) loadViews(imagesDir string) {
 	s.app.Static("/images", imagesDir)
 
 	s.app.Get("/", func(c *fiber.Ctx) error {
-		return c.Render("upload", fiber.Map{})
+		return c.Render("index", fiber.Map{})
 	})
 
 	s.app.Get("/error", func(c *fiber.Ctx) error {
