diff --git a/packages/ntfy/src/NtfyClient.ts b/packages/ntfy/src/NtfyClient.ts
index aa4431c8..119c53df 100644
--- a/packages/ntfy/src/NtfyClient.ts
+++ b/packages/ntfy/src/NtfyClient.ts
@@ -82,6 +82,10 @@ export async function publish<T extends Config>(publishConfig: T): Promise<Respo
     requestConfig.headers['X-Email'] = publishConfig.emailAddress;
   }
 
+  if (publishConfig.markdown) {
+    requestConfig.headers['X-Markdown'] = publishConfig.markdown;
+  }
+
   if (ConfigHasMessage(publishConfig) && publishConfig.fileURL) {
     if (typeof publishConfig.fileURL === 'string') {
       requestConfig.headers['X-Attach'] = publishConfig.fileURL;
diff --git a/packages/ntfy/src/interfaces.ts b/packages/ntfy/src/interfaces.ts
index 29b9f961..8d7df69f 100644
--- a/packages/ntfy/src/interfaces.ts
+++ b/packages/ntfy/src/interfaces.ts
@@ -167,6 +167,20 @@ export interface BaseConfig {
    * deleted. **Only JPEG and PNG images are supported at this time**.
    */
   iconURL?: string;
+  /**
+   * By default, messages sent to ntfy are rendered as plain text.
+   *
+   * You can format messages using Markdown 🤩. That means you can use bold text, italicized text, links, images, and more. Supported Markdown features (web app only for now):
+   * - Emphasis such as bold (**bold**), italics (*italics*)
+   * - Links ([some tool](https://ntfy.sh))
+   * - Images (![some image](https://bing.com/logo.png))
+   * - Code blocks (```code blocks```) and inline code (`inline code`)
+   * - Headings (# headings, ## headings, etc.)
+   * - Lists (- lists, 1. lists, etc.)
+   * - Blockquotes (> blockquotes)
+   * - Horizontal rules (---)
+   */
+  markdown?: boolean;
   /**
    * All messages have a priority, which defines how urgently your phone notifies you. On Android, you can set custom
    * notification sounds and vibration patterns on your phone to map to these priorities (see