diff --git a/subscribe.php b/subscribe.php
new file mode 100644
index 00000000..8642a76a
--- /dev/null
+++ b/subscribe.php
@@ -0,0 +1,206 @@
+<?php
+
+use LDC\LDCCRM\CrmApiV2;
+use LDC\LDCCRM\Exceptions\ApiErrorException;
+use LDC\LDCCRM\Exceptions\CrmException;
+use LDC\LDCCRM\Exceptions\ValidationException;
+use LDC\LDCCRM\Models\SingleOptin;
+
+require_once(__DIR__ . '/wp-load.php');
+
+global $wpdb;
+
+$callOK = false;
+
+// phpcs:ignore WordPress.Security.NonceVerification.Recommended
+if (isset($_GET['hashcode']) and !empty($_GET['hashcode'])) {
+    // phpcs:ignore WordPress.Security.NonceVerification.Recommended
+    $hashcode = sanitize_text_field($_GET['hashcode']);
+
+    $user = $wpdb->get_row(
+        sprintf(
+            "SELECT * FROM news_optins WHERE hashcode = '%s'",
+            $hashcode
+        )
+    );
+
+    if (!is_null($user) and is_null($user->optin_validation)) {
+        // * Initialise CRM API
+        new CrmApiV2(CRM_ENDPOINT, CRM_TOKEN, CRM_PASSWORD);
+        // Seul single optin est géré
+        try {
+            SingleOptin::setStatus($user->email, true);
+            $wpdb->update(
+                'news_optins',
+                ['optin_validation' => date("Y-m-d H:i:s")],
+                ['id' => $user->id]
+            );
+            $callOK = true;
+        } catch (ValidationException | CrmException | ApiErrorException $e) {
+            // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log,Squiz.PHP.DiscouragedFunctions.Found
+            var_dump($e);
+            exit;
+            error_log(sprintf(
+                'ERROR CRM API : %s - %s | hashcode : %s',
+                (get_class($e) === CrmException::class ? $e->getMessage() : get_class($e) === ValidationException::class ? $e->getMessage() : $e->getApiError()->label),
+                $e->getMessage(),
+                $hashcode
+            ));
+        }
+    } else if (!is_null($user) and !is_null($user->optin_validation)) {
+        $callOK = true;
+    }
+}
+
+?>
+
+<!DOCTYPE html>
+<html lang="fr">
+
+<head>
+    <meta charset="UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Inscription à la newsletter LDC</title>
+    <style>
+        html,
+        body,
+        ::before,
+        ::after,
+        * {
+            margin: 0;
+            padding: 0;
+            box-sizing: border-box;
+        }
+
+        body {
+            font-family: Arial, Helvetica, sans-serif;
+            font-size: 30px;
+            font-weight: normal;
+            color: #000000;
+        }
+
+        .post-title {
+            font-family: Arial, Helvetica, sans-serif;
+            font-size: 1.33em;
+            font-weight: 700;
+            color: #e30613;
+        }
+
+        a {
+            color: #000000;
+            transition: color .5s;
+        }
+
+        a:hover {
+            color: #e30613;
+        }
+
+        p {
+            margin: 1em 0;
+            font-size: .8em;
+        }
+
+        span {
+            font-size: .6em;
+        }
+
+        .wrapper-unsub {
+            display: grid;
+            grid-template-rows: min-content min-content auto min-content;
+            justify-items: center;
+            min-height: 100vh;
+            padding: 10vw 4vw;
+        }
+
+        .unsub--logo {
+            width: 60%;
+            text-align: center;
+        }
+
+        .unsub--logo img {
+            width: 100%;
+            max-width: 300px;
+        }
+
+        .unsub--title {
+            margin: 4vw 0;
+            text-align: center;
+        }
+
+        .unsub--footer {
+            width: 100%;
+        }
+
+        @media only screen and (min-width:768px) {
+            .post-title {
+                font-size: 2em;
+            }
+
+            p {
+                font-size: 1em;
+            }
+
+            span {
+                font-size: .8em;
+            }
+
+            .wrapper-unsub {
+                padding: 4vw 10vw;
+            }
+        }
+
+        @media only screen and (min-width:1024px) {
+            .post-title {
+                font-size: 2.33em;
+            }
+
+            p {
+                font-size: 1.2em;
+            }
+
+            span {
+                font-size: 1em;
+            }
+        }
+
+        @media only screen and (min-width:1440px) {}
+
+        @media only screen and (min-width:1920px) {}
+    </style>
+</head>
+
+<body>
+    <div class="wrapper-unsub">
+        <div class="unsub--logo">
+            <img src="/content/themes/ldc/img/logo.png" alt="Logo de la marque LDC">
+        </div>
+        <div class="unsub--title">
+            <h1 class="post-title">Inscription</h1>
+        </div>
+
+        <?php
+        /**
+         * On ne communique pas sur model not found
+         * pour ne pas créer une page où on peut determiner
+         * qui est inscrit dans la crm
+         */
+        if ($callOK) { ?>
+            <div class="unsub--content">
+                <p>Vous êtes inscris à la newsletter LDC.</p>
+                <p>Pour lire la lettre aux actionnaires &#x2116; 3 <a href="https://www.ldc.fr/content/uploads/2023/12/LDC_LAA3_WEB.pdf">Cliquez ici</a></p>
+            </div>
+        <?php } else { ?>
+            <div class="unsub--content">
+                <p>Une erreur est survenue.</p>
+                <p>Veuillez réessayer ultérieurement.</p>
+            </div>
+        <?php } ?>
+
+        <div class="unsub--footer">
+            <span>Retrouvez-nous sur <a href="https://www.ldc.fr">ldc.fr</a> !</span>
+        </div>
+    </div>
+</body>
+
+</html>
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