diff --git a/src/api/posts.js b/src/api/posts.js
index 4e3917a008..6b1c477d0a 100644
--- a/src/api/posts.js
+++ b/src/api/posts.js
@@ -512,3 +512,75 @@ postsAPI.getReplies = async (caller, { pid }) => {
 
 	return postData;
 };
+
+//This is mostly Gen AI generated code to get APIs for endorse and un-endorse
+postsAPI.endorse = async function (caller, data) {
+	if (!data || !data.pid) {
+		throw new Error('[[error:invalid-data]]');
+	}
+
+	// Check if the user is logged in
+	if (!caller.uid) {
+		throw new Error('[[error:not-logged-in]]');
+	}
+
+	// Check if the user has the privilege to endorse the post
+	const canEndorse = await privileges.posts.can('endorse', data.pid, caller.uid);
+	if (!canEndorse) {
+		throw new Error('[[error:no-privileges]]');
+	}
+
+	// Add the endorsement
+	await posts.addEndorsement(data.pid, caller.uid);
+
+	// Log the endorsement event
+	await events.log({
+		type: 'post-endorse',
+		uid: caller.uid,
+		ip: caller.ip,
+		pid: data.pid,
+	});
+
+	// Notify the post owner
+	const postOwnerUid = await posts.getPostField(data.pid, 'uid');
+	if (postOwnerUid && postOwnerUid !== caller.uid) {
+		await socketHelpers.sendNotificationToPostOwner(data.pid, caller.uid, 'endorse', 'notifications:endorsed-your-post');
+	}
+
+	// Return the updated endorsement count
+	const endorsementCount = await posts.getEndorsementCount(data.pid);
+	return { endorsementCount };
+};
+
+postsAPI.unendorse = async function (caller, data) {
+	if (!data || !data.pid) {
+		throw new Error('[[error:invalid-data]]');
+	}
+
+	// Check if the user is logged in
+	if (!caller.uid) {
+		throw new Error('[[error:not-logged-in]]');
+	}
+
+	// Check if the user has the privilege to unendorse the post
+	const canUnendorse = await privileges.posts.can('endorse', data.pid, caller.uid);
+	if (!canUnendorse) {
+		throw new Error('[[error:no-privileges]]');
+	}
+
+	// Remove the endorsement
+	await posts.removeEndorsement(data.pid, caller.uid);
+
+	// Log the unendorsement event
+	await events.log({
+		type: 'post-unendorse',
+		uid: caller.uid,
+		ip: caller.ip,
+		pid: data.pid,
+	});
+
+	// Return the updated endorsement count
+	const endorsementCount = await posts.getEndorsementCount(data.pid);
+	return { endorsementCount };
+};
+
diff --git a/src/posts/data.js b/src/posts/data.js
index 3a4d303ff5..6b466cd1bd 100644
--- a/src/posts/data.js
+++ b/src/posts/data.js
@@ -3,6 +3,7 @@
 const db = require('../database');
 const plugins = require('../plugins');
 const utils = require('../utils');
+const dbSets = require('../database/redis/sets');
 
 const intFields = [
 	'uid', 'pid', 'tid', 'deleted', 'timestamp',
@@ -53,6 +54,29 @@ module.exports = function (Posts) {
 		await db.setObject(`post:${pid}`, data);
 		plugins.hooks.fire('action:post.setFields', { data: { ...data, pid } });
 	};
+
+	//3 methods  of these code and function ideas were suggested by ChatGPT
+	Posts.addEndorsement = async function (pid, uid) {
+		const alreadyEndorsed = await dbSets.isSetMember(`post:${pid}:endorsements`, uid);
+		if (alreadyEndorsed) {
+		  throw new Error('[[error:already-endorsed]]'); 
+		}
+		await dbSets.setAdd(`post:${pid}:endorsements`, uid);
+	  };
+	  
+	Posts.removeEndorsement = async function (pid, uid) {
+		const alreadyEndorsed = await dbSets.isSetMember(`post:${pid}:endorsements`, uid);
+		if (!alreadyEndorsed) {
+		  throw new Error('[[error:not-endorsed]]'); 
+		}
+		await dbSets.setRemove(`post:${pid}:endorsements`, uid);
+	};
+	  
+	Posts.getEndorsementCount = async function (pid) {
+		return await dbSets.setCount(`post:${pid}:endorsements`);
+	};
+	  
+	  
 };
 
 function modifyPost(post, fields) {