diff --git a/src/activitypub/mocks.js b/src/activitypub/mocks.js
index ce3d1267d4..5eb0ed10d1 100644
--- a/src/activitypub/mocks.js
+++ b/src/activitypub/mocks.js
@@ -986,6 +986,53 @@ Mocks.activities.create = async (pid, uid, post) => {
 	return { activity, targets };
 };
 
+Mocks.activities.like = (pid, uid) => ({
+	id: `${nconf.get('url')}/uid/${uid}#activity/like/${encodeURIComponent(pid)}`,
+	type: 'Like',
+	actor: `${nconf.get('url')}/uid/${uid}`,
+	object: utils.isNumber(pid) ? `${nconf.get('url')}/post/${pid}` : pid,
+});
+
+Mocks.activities.dislike = (pid, uid) => ({
+	id: `${nconf.get('url')}/uid/${uid}#activity/dislike/${encodeURIComponent(pid)}`,
+	type: 'Dislike',
+	actor: `${nconf.get('url')}/uid/${uid}`,
+	object: utils.isNumber(pid) ? `${nconf.get('url')}/post/${pid}` : pid,
+});
+
+Mocks.activities.announce = async (tid, uid) => {
+	const { mainPid: pid, cid } = await topics.getTopicFields(tid, ['mainPid', 'cid']);
+	const authorUid = await posts.getPostField(pid, 'uid'); // author
+	const { to, cc, targets } = await activitypub.buildRecipients({
+		id: pid,
+		to: [activitypub._constants.publicAddress],
+	}, uid ? { uid } : { cid });
+	if (!utils.isNumber(authorUid)) {
+		cc.push(authorUid);
+		targets.add(authorUid);
+	}
+
+	const payload = uid ? {
+		id: `${nconf.get('url')}/post/${encodeURIComponent(pid)}#activity/announce/uid/${uid}`,
+		type: 'Announce',
+		actor: `${nconf.get('url')}/uid/${uid}`,
+	} : {
+		id: `${nconf.get('url')}/post/${encodeURIComponent(pid)}#activity/announce/cid/${cid}`,
+		type: 'Announce',
+		actor: `${nconf.get('url')}/category/${cid}`,
+	};
+
+	return {
+		activity: {
+			...payload,
+			to,
+			cc,
+			object: utils.isNumber(pid) ? `${nconf.get('url')}/post/${pid}` : pid,
+		},
+		targets,
+	};
+};
+
 Mocks.tombstone = async properties => ({
 	'@context': 'https://www.w3.org/ns/activitystreams',
 	type: 'Tombstone',
diff --git a/src/activitypub/out.js b/src/activitypub/out.js
index dbe3a3e8e4..d0f075bdb5 100644
--- a/src/activitypub/out.js
+++ b/src/activitypub/out.js
@@ -254,12 +254,7 @@ Out.delete.note = enabledCheck(async (uid, pid) => {
 Out.like = {};
 
 Out.like.note = enabledCheck(async (uid, pid) => {
-	const payload = {
-		id: `${nconf.get('url')}/uid/${uid}#activity/like/${encodeURIComponent(pid)}`,
-		type: 'Like',
-		actor: `${nconf.get('url')}/uid/${uid}`,
-		object: utils.isNumber(pid) ? `${nconf.get('url')}/post/${pid}` : pid,
-	};
+	const payload = activitypub.mocks.activities.like(pid, uid);
 
 	if (!activitypub.helpers.isUri(pid)) { // only 1b12 announce for local likes
 		await activitypub.feps.announce(pid, payload);
@@ -280,12 +275,7 @@ Out.like.note = enabledCheck(async (uid, pid) => {
 Out.dislike = {};
 
 Out.dislike.note = enabledCheck(async (uid, pid) => {
-	const payload = {
-		id: `${nconf.get('url')}/uid/${uid}#activity/dislike/${encodeURIComponent(pid)}`,
-		type: 'Dislike',
-		actor: `${nconf.get('url')}/uid/${uid}`,
-		object: utils.isNumber(pid) ? `${nconf.get('url')}/post/${pid}` : pid,
-	};
+	const payload = activitypub.mocks.activities.dislike(pid, uid);
 
 	if (!activitypub.helpers.isUri(pid)) { // only 1b12 announce for local likes
 		await activitypub.feps.announce(pid, payload);
@@ -320,37 +310,14 @@ Out.announce.topic = enabledCheck(async (tid, uid) => {
 		}
 	}
 
-	const authorUid = await posts.getPostField(pid, 'uid'); // author
 	const allowed = await privileges.posts.can('topics:read', pid, activitypub._constants.uid);
 	if (!allowed) {
 		activitypub.helpers.log(`[activitypub/api] Not federating announce of pid ${pid} to the fediverse due to privileges.`);
 		return;
 	}
 
-	const { to, cc, targets } = await activitypub.buildRecipients({
-		id: pid,
-		to: [activitypub._constants.publicAddress],
-	}, uid ? { uid } : { cid });
-	if (!utils.isNumber(authorUid)) {
-		cc.push(authorUid);
-		targets.add(authorUid);
-	}
-
-	const payload = uid ? {
-		id: `${nconf.get('url')}/post/${encodeURIComponent(pid)}#activity/announce/uid/${uid}`,
-		type: 'Announce',
-		actor: `${nconf.get('url')}/uid/${uid}`,
-	} : {
-		id: `${nconf.get('url')}/post/${encodeURIComponent(pid)}#activity/announce/cid/${cid}`,
-		type: 'Announce',
-		actor: `${nconf.get('url')}/category/${cid}`,
-	};
-	await activitypub.send(uid ? 'uid' : 'cid', uid || cid, Array.from(targets), {
-		...payload,
-		to,
-		cc,
-		object: utils.isNumber(pid) ? `${nconf.get('url')}/post/${pid}` : pid,
-	});
+	const { activity, targets } = await activitypub.mocks.activities.announce(tid, uid);
+	await activitypub.send(uid ? 'uid' : 'cid', uid || cid, Array.from(targets), activity);
 });
 
 Out.flag = enabledCheck(async (uid, flag) => {
diff --git a/src/controllers/activitypub/index.js b/src/controllers/activitypub/index.js
index c64ef9ef57..fb57f533c2 100644
--- a/src/controllers/activitypub/index.js
+++ b/src/controllers/activitypub/index.js
@@ -3,7 +3,9 @@
 const nconf = require('nconf');
 const winston = require('winston');
 
+const db = require('../../database');
 const meta = require('../../meta');
+const posts = require('../../posts');
 const user = require('../../user');
 const activitypub = require('../../activitypub');
 const utils = require('../../utils');
@@ -116,12 +118,98 @@ Controller.getFollowers = async (req, res) => {
 };
 
 Controller.getOutbox = async (req, res) => {
-	// stub
+	// Posts, shares, and votes
+	const { uid } = req.params;
+	let { after, before } = req.query;
+
+	let totalItems = await db.sortedSetsCard([`uid:${uid}:posts`, `uid:${uid}:upvote`, `uid:${uid}:downvote`, `uid:${uid}:shares`]);
+	totalItems = totalItems.reduce((sum, count) => {
+		sum += count;
+		return sum;
+	}, 0);
+
+	const perPage = 20;
+	let paginate = true;
+	if (totalItems <= perPage) {
+		before = undefined;
+		after = undefined;
+		paginate = false;
+	}
+
+	let prev;
+	let next;
+	const partOf = paginate && (after || before) && `${nconf.get('url')}/uid/${uid}/outbox`;
+	const first = paginate && !after && !before && `${nconf.get('url')}/uid/${uid}/outbox?after=${Date.now()}`;
+	const last = paginate && !after && !before && `${nconf.get('url')}/uid/${uid}/outbox?before=0`;
+	let activities;
+
+	if (!paginate || after || before) {
+		const limit = after ? parseInt(after, 10) - 1 : parseInt(before, 10) + 1;
+		const method = after ? 'getSortedSetRevRangeByScoreWithScores' : 'getSortedSetRangeByScoreWithScores';
+
+		const [post, upvote, downvote, share] = await Promise.all([
+			db[method](`uid:${uid}:posts`, 0, 20, limit, `${after ? '-' : '+'}inf`),
+			db[method](`uid:${uid}:upvote`, 0, 20, limit, `${after ? '-' : '+'}inf`),
+			db[method](`uid:${uid}:downvote`, 0, 20, limit, `${after ? '-' : '+'}inf`),
+			db[method](`uid:${uid}:shares`, 0, 20, limit, `${after ? '-' : '+'}inf`),
+		]);
+		activities = [
+			post.map(post => ({ ...post, type: 'post' })),
+			upvote.map(upvote => ({ ...upvote, type: 'upvote' })),
+			downvote.map(downvote => ({ ...downvote, type: 'downvote' })),
+			share.map(share => ({ ...share, type: 'share' })),
+		].flat().sort((a, b) => b.score - a.score);
+		if (after) {
+			activities = activities.slice(0, 20);
+		} else {
+			activities = activities.slice(-20);
+		}
+
+		if (activities.length) {
+			prev = `${nconf.get('url')}/uid/${uid}/outbox?before=${activities[0].score}`;
+			next = `${nconf.get('url')}/uid/${uid}/outbox?after=${activities[19].score}`;
+
+			let postsData = activities.filter((({ type }) => type === 'post'));
+			postsData = await posts.getPostSummaryByPids(postsData.map(({ value }) => value), 0, { stripTags: false });
+			postsData = postsData.reduce((map, postData) => {
+				map.set(postData.pid, postData);
+				return map;
+			}, new Map());
+
+			activities = await Promise.all(activities.map(async ({ type, value: id }) => {
+				switch (type) {
+					case 'post': {
+						const { activity } = await activitypub.mocks.activities.create(id, 0, postsData.get(id));
+						return activity;
+					}
+
+					case 'upvote': {
+						return activitypub.mocks.activities.like(id, uid);
+					}
+
+					case 'downvote': {
+						return activitypub.mocks.activities.dislike(id, uid);
+					}
+
+					case 'share': {
+						const { activity } = await activitypub.mocks.activities.announce(id, uid);
+						return activity;
+					}
+				}
+			}));
+		}
+	}
+
 	res.status(200).json({
 		'@context': 'https://www.w3.org/ns/activitystreams',
-		type: 'OrderedCollection',
-		totalItems: 0,
-		orderedItems: [],
+		type: paginate ? 'OrderedCollectionPage' : 'OrderedCollection',
+		totalItems,
+		...(prev && { prev }),
+		...(next && { next }),
+		...(first && { first }),
+		...(last && { last }),
+		...(partOf && { partOf }),
+		orderedItems: activities,
 	});
 };