diff --git a/app/Util/ActivityPub/Validator/Announce.php b/app/Util/ActivityPub/Validator/Announce.php
new file mode 100644
index 000000000..c66fedbb2
--- /dev/null
+++ b/app/Util/ActivityPub/Validator/Announce.php
@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Util\ActivityPub\Validator;
+
+use Validator;
+use Illuminate\Validation\Rule;
+
+class Announce {
+
+	public static function validate($payload)
+	{
+		$valid = Validator::make($payload, [
+			'@context' => 'required',
+			'id' => 'required|string',
+			'type' => [
+				'required',
+				Rule::in(['Announce'])
+			],
+			'actor' => 'required|url|active_url',
+			'published' => 'required|date',
+			'to'	=> 'required',
+			'cc'	=> 'required',
+			'object' => 'required|url|active_url'
+		])->passes();
+
+		return $valid;
+	}
+}
\ No newline at end of file
diff --git a/tests/Unit/ActivityPub/Verb/AnnounceTest.php b/tests/Unit/ActivityPub/Verb/AnnounceTest.php
new file mode 100644
index 000000000..c3e739692
--- /dev/null
+++ b/tests/Unit/ActivityPub/Verb/AnnounceTest.php
@@ -0,0 +1,168 @@
+<?php
+
+namespace Tests\Unit\ActivityPub\Verb;
+
+use Tests\TestCase;
+use Illuminate\Foundation\Testing\WithFaker;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use App\Util\ActivityPub\Validator\Announce;
+
+class AnnounceTest extends TestCase
+{
+
+	public function setUp()
+	{
+		parent::setUp();
+
+		$this->validAnnounce = [
+			"@context" => "https://www.w3.org/ns/activitystreams",
+			"id" => "https://example.org/users/alice/statuses/100000000000001/activity",
+			"type" => "Announce",
+			"actor" => "https://example.org/users/alice",
+			"published" => "2018-12-31T23:59:59Z",
+			"to" => [
+				"https://www.w3.org/ns/activitystreams#Public"
+			],
+			"cc" => [
+				"https://example.org/users/bob",
+				"https://example.org/users/alice/followers"
+			],
+			"object" => "https://example.org/p/bob/100000000000000",
+		];
+
+		$this->invalidAnnounce = [
+			"@context" => "https://www.w3.org/ns/activitystreams",
+			"id" => "https://example.org/users/alice/statuses/100000000000001/activity",
+			"type" => "Announce2",
+			"actor" => "https://example.org/users/alice",
+			"published" => "2018-12-31T23:59:59Z",
+			"to" => [
+				"https://www.w3.org/ns/activitystreams#Public"
+			],
+			"cc" => [
+				"https://example.org/users/bob",
+				"https://example.org/users/alice/followers"
+			],
+			"object" => "https://example.org/p/bob/100000000000000",
+		];
+
+		$this->invalidDate = [
+			"@context" => "https://www.w3.org/ns/activitystreams",
+			"id" => "https://example.org/users/alice/statuses/100000000000001/activity",
+			"type" => "Announce",
+			"actor" => "https://example.org/users/alice",
+			"published" => "2018-12-31T23:59:59ZEZE",
+			"to" => [
+				"https://www.w3.org/ns/activitystreams#Public"
+			],
+			"cc" => [
+				"https://example.org/users/bob",
+				"https://example.org/users/alice/followers"
+			],
+			"object" => "https://example.org/p/bob/100000000000000",
+		];
+
+		$this->contextMissing = [
+			"id" => "https://example.org/users/alice/statuses/100000000000001/activity",
+			"type" => "Announce",
+			"actor" => "https://example.org/users/alice",
+			"published" => "2018-12-31T23:59:59Z",
+			"to" => [
+				"https://www.w3.org/ns/activitystreams#Public"
+			],
+			"cc" => [
+				"https://example.org/users/bob",
+				"https://example.org/users/alice/followers"
+			],
+			"object" => "https://example.org/p/bob/100000000000000",
+		];
+
+		$this->audienceMissing = [
+			"id" => "https://example.org/users/alice/statuses/100000000000001/activity",
+			"type" => "Announce",
+			"actor" => "https://example.org/users/alice",
+			"published" => "2018-12-31T23:59:59Z",
+			"object" => "https://example.org/p/bob/100000000000000",
+		];
+
+		$this->audienceMissing2 = [
+			"@context" => "https://www.w3.org/ns/activitystreams",
+			"id" => "https://example.org/users/alice/statuses/100000000000001/activity",
+			"type" => "Announce",
+			"actor" => "https://example.org/users/alice",
+			"published" => "2018-12-31T23:59:59Z",
+			"to" => null,
+			"cc" => null,
+			"object" => "https://example.org/p/bob/100000000000000",
+		];
+
+		$this->invalidActor = [
+			"@context" => "https://www.w3.org/ns/activitystreams",
+			"id" => "https://example.org/users/alice/statuses/100000000000001/activity",
+			"type" => "Announce",
+			"actor" => "10000",
+			"published" => "2018-12-31T23:59:59Z",
+			"to" => [
+				"https://www.w3.org/ns/activitystreams#Public"
+			],
+			"cc" => [
+				"https://example.org/users/bob",
+				"https://example.org/users/alice/followers"
+			],
+			"object" => "https://example.org/p/bob/100000000000000",
+		];
+
+		$this->invalidActor2 = [
+			"@context" => "https://www.w3.org/ns/activitystreams",
+			"id" => "https://example.org/users/alice/statuses/100000000000001/activity",
+			"type" => "Announce",
+			"published" => "2018-12-31T23:59:59Z",
+			"to" => [
+				"https://www.w3.org/ns/activitystreams#Public"
+			],
+			"cc" => [
+				"https://example.org/users/bob",
+				"https://example.org/users/alice/followers"
+			],
+			"object" => "https://example.org/p/bob/100000000000000",
+		];
+	}
+
+	/** @test */
+	public function basic_accept()
+	{
+		$this->assertTrue(Announce::validate($this->validAnnounce));
+	}
+
+	/** @test */
+	public function invalid_accept()
+	{
+		$this->assertFalse(Announce::validate($this->invalidAnnounce));
+	}
+
+	/** @test */
+	public function invalid_date()
+	{
+		$this->assertFalse(Announce::validate($this->invalidDate));
+	}
+
+	/** @test */
+	public function context_missing()
+	{
+		$this->assertFalse(Announce::validate($this->contextMissing));
+	}
+
+	/** @test */
+	public function audience_missing()
+	{
+		$this->assertFalse(Announce::validate($this->audienceMissing));
+		$this->assertFalse(Announce::validate($this->audienceMissing2));
+	}
+
+	/** @test */
+	public function invalid_actor()
+	{
+		$this->assertFalse(Announce::validate($this->invalidActor));
+		$this->assertFalse(Announce::validate($this->invalidActor2));
+	}
+}