diff --git a/src/Messages/Channel/RCS/RcsCustom.php b/src/Messages/Channel/RCS/RcsCustom.php
new file mode 100644
index 00000000..b94c733d
--- /dev/null
+++ b/src/Messages/Channel/RCS/RcsCustom.php
@@ -0,0 +1,77 @@
+<?php
+
+namespace Vonage\Messages\Channel\RCS;
+
+use Vonage\Messages\MessageObjects\FileObject;
+use Vonage\Messages\Channel\BaseMessage;
+use Vonage\Messages\MessageTraits\TtlTrait;
+
+class RcsCustom extends BaseMessage
+{
+    use TtlTrait;
+
+    protected const RCS_TEXT_MIN_TTL = 300;
+    protected const RCS_TEXT_MAX_TTL = 259200;
+
+    protected string $subType = BaseMessage::MESSAGES_SUBTYPE_FILE;
+    protected string $channel = 'rcs';
+    protected array $custom;
+
+    public function __construct(
+        string $to,
+        string $from,
+        array $custom
+    ) {
+        $this->to = $to;
+        $this->from = $from;
+        $this->custom = $custom;
+    }
+
+    public function getCustom(): array
+    {
+        return $this->custom;
+    }
+
+    public function setCustom(array $custom): RcsCustom
+    {
+        $this->custom = $custom;
+        return $this;
+    }
+
+    public function setTtl(?int $ttl): void
+    {
+        $range = [
+            'options' => [
+                'min_range' => self::RCS_TEXT_MIN_TTL,
+                'max_range' => self::RCS_TEXT_MAX_TTL
+            ]
+        ];
+
+        if (!filter_var($ttl, FILTER_VALIDATE_INT, $range)) {
+            throw new RcsInvalidTtlException('Timeout ' . $ttl . ' is not valid');
+        }
+
+        $this->ttl = $ttl;
+    }
+
+    public function toArray(): array
+    {
+        $returnArray = $this->getBaseMessageUniversalOutputArray();
+
+        $returnArray['custom'] = $this->getCustom();
+
+        if ($this->getClientRef()) {
+            $returnArray['client_ref'] = $this->getClientRef();
+        }
+
+        if ($this->getWebhookUrl()) {
+            $returnArray['webhook_url'] = $this->getWebhookUrl();
+        }
+
+        if ($this->getTtl()) {
+            $returnArray['ttl'] = $this->getTtl();
+        }
+
+        return $returnArray;
+    }
+}
diff --git a/src/Messages/Channel/RCS/RcsFile.php b/src/Messages/Channel/RCS/RcsFile.php
new file mode 100644
index 00000000..1dc575cb
--- /dev/null
+++ b/src/Messages/Channel/RCS/RcsFile.php
@@ -0,0 +1,77 @@
+<?php
+
+namespace Vonage\Messages\Channel\RCS;
+
+use Vonage\Messages\MessageObjects\FileObject;
+use Vonage\Messages\Channel\BaseMessage;
+use Vonage\Messages\MessageTraits\TtlTrait;
+
+class RcsFile extends BaseMessage
+{
+    use TtlTrait;
+
+    protected const RCS_TEXT_MIN_TTL = 300;
+    protected const RCS_TEXT_MAX_TTL = 259200;
+
+    protected string $subType = BaseMessage::MESSAGES_SUBTYPE_FILE;
+    protected string $channel = 'rcs';
+    protected FileObject $file;
+
+    public function __construct(
+        string $to,
+        string $from,
+        FileObject $file
+    ) {
+        $this->to = $to;
+        $this->from = $from;
+        $this->file = $file;
+    }
+
+    public function setTtl(?int $ttl): void
+    {
+        $range = [
+            'options' => [
+                'min_range' => self::RCS_TEXT_MIN_TTL,
+                'max_range' => self::RCS_TEXT_MAX_TTL
+            ]
+        ];
+
+        if (!filter_var($ttl, FILTER_VALIDATE_INT, $range)) {
+            throw new RcsInvalidTtlException('Timeout ' . $ttl . ' is not valid');
+        }
+
+        $this->ttl = $ttl;
+    }
+
+    public function getFile(): FileObject
+    {
+        return $this->file;
+    }
+
+    public function setFile(FileObject $fileObject): RcsFile
+    {
+        $this->file = $fileObject;
+        return $this;
+    }
+
+    public function toArray(): array
+    {
+        $returnArray = $this->getBaseMessageUniversalOutputArray();
+
+        $returnArray['file'] = $this->getFile()->toArray();
+
+        if ($this->getClientRef()) {
+            $returnArray['client_ref'] = $this->getClientRef();
+        }
+
+        if ($this->getWebhookUrl()) {
+            $returnArray['webhook_url'] = $this->getWebhookUrl();
+        }
+
+        if ($this->getTtl()) {
+            $returnArray['ttl'] = $this->getTtl();
+        }
+
+        return $returnArray;
+    }
+}
diff --git a/src/Messages/Channel/RCS/RcsImage.php b/src/Messages/Channel/RCS/RcsImage.php
new file mode 100644
index 00000000..25031298
--- /dev/null
+++ b/src/Messages/Channel/RCS/RcsImage.php
@@ -0,0 +1,77 @@
+<?php
+
+namespace Vonage\Messages\Channel\RCS;
+
+use Vonage\Messages\MessageObjects\ImageObject;
+use Vonage\Messages\Channel\BaseMessage;
+use Vonage\Messages\MessageTraits\TtlTrait;
+
+class RcsImage extends BaseMessage
+{
+    use TtlTrait;
+
+    protected const RCS_TEXT_MIN_TTL = 300;
+    protected const RCS_TEXT_MAX_TTL = 259200;
+
+    protected string $subType = BaseMessage::MESSAGES_SUBTYPE_IMAGE;
+    protected string $channel = 'rcs';
+    protected ImageObject $image;
+
+    public function __construct(
+        string $to,
+        string $from,
+        ImageObject $image
+    ) {
+        $this->to = $to;
+        $this->from = $from;
+        $this->image = $image;
+    }
+
+    public function setTtl(?int $ttl): void
+    {
+        $range = [
+            'options' => [
+                'min_range' => self::RCS_TEXT_MIN_TTL,
+                'max_range' => self::RCS_TEXT_MAX_TTL
+            ]
+        ];
+
+        if (!filter_var($ttl, FILTER_VALIDATE_INT, $range)) {
+            throw new RcsInvalidTtlException('Timeout ' . $ttl . ' is not valid');
+        }
+
+        $this->ttl = $ttl;
+    }
+
+    public function getImage(): ImageObject
+    {
+        return $this->image;
+    }
+
+    public function setImage(ImageObject $image): RcsImage
+    {
+        $this->image = $image;
+        return $this;
+    }
+
+    public function toArray(): array
+    {
+        $returnArray = $this->getBaseMessageUniversalOutputArray();
+
+        $returnArray['image'] = $this->getImage()->toArray();
+
+        if ($this->getClientRef()) {
+            $returnArray['client_ref'] = $this->getClientRef();
+        }
+
+        if ($this->getWebhookUrl()) {
+            $returnArray['webhook_url'] = $this->getWebhookUrl();
+        }
+
+        if ($this->getTtl()) {
+            $returnArray['ttl'] = $this->getTtl();
+        }
+
+        return $returnArray;
+    }
+}
diff --git a/src/Messages/Channel/RCS/RcsInvalidTtlException.php b/src/Messages/Channel/RCS/RcsInvalidTtlException.php
new file mode 100644
index 00000000..b7866a99
--- /dev/null
+++ b/src/Messages/Channel/RCS/RcsInvalidTtlException.php
@@ -0,0 +1,7 @@
+<?php
+
+namespace Vonage\Messages\Channel\RCS;
+
+class RcsInvalidTtlException extends \Exception
+{
+}
\ No newline at end of file
diff --git a/src/Messages/Channel/RCS/RcsText.php b/src/Messages/Channel/RCS/RcsText.php
new file mode 100644
index 00000000..f907d22e
--- /dev/null
+++ b/src/Messages/Channel/RCS/RcsText.php
@@ -0,0 +1,65 @@
+<?php
+
+namespace Vonage\Messages\Channel\RCS;
+
+use Vonage\Messages\MessageTraits\TextTrait;
+use Vonage\Messages\Channel\BaseMessage;
+use Vonage\Messages\MessageTraits\TtlTrait;
+
+class RcsText extends BaseMessage
+{
+    use TextTrait;
+    use TtlTrait;
+
+    protected const RCS_TEXT_MIN_TTL = 300;
+    protected const RCS_TEXT_MAX_TTL = 259200;
+
+    protected string $subType = BaseMessage::MESSAGES_SUBTYPE_TEXT;
+    protected string $channel = 'rcs';
+
+    public function __construct(
+        string $to,
+        string $from,
+        string $message
+    ) {
+        $this->to = $to;
+        $this->from = $from;
+        $this->text = $message;
+    }
+
+    public function setTtl(?int $ttl): void
+    {
+        $range = [
+            'options' => [
+                'min_range' => self::RCS_TEXT_MIN_TTL,
+                'max_range' => self::RCS_TEXT_MAX_TTL
+            ]
+        ];
+
+        if (!filter_var($ttl, FILTER_VALIDATE_INT, $range)) {
+            throw new RcsInvalidTtlException('Timeout ' . $ttl . ' is not valid');
+        }
+
+        $this->ttl = $ttl;
+    }
+
+    public function toArray(): array
+    {
+        $returnArray = $this->getBaseMessageUniversalOutputArray();
+        $returnArray['text'] = $this->getText();
+
+        if ($this->getClientRef()) {
+            $returnArray['client_ref'] = $this->getClientRef();
+        }
+
+        if ($this->getWebhookUrl()) {
+            $returnArray['webhook_url'] = $this->getWebhookUrl();
+        }
+
+        if ($this->getTtl()) {
+            $returnArray['ttl'] = $this->getTtl();
+        }
+
+        return $returnArray;
+    }
+}
diff --git a/src/Messages/Channel/RCS/RcsVideo.php b/src/Messages/Channel/RCS/RcsVideo.php
new file mode 100644
index 00000000..254fba31
--- /dev/null
+++ b/src/Messages/Channel/RCS/RcsVideo.php
@@ -0,0 +1,77 @@
+<?php
+
+namespace Vonage\Messages\Channel\RCS;
+
+use Vonage\Messages\MessageObjects\VideoObject;
+use Vonage\Messages\Channel\BaseMessage;
+use Vonage\Messages\MessageTraits\TtlTrait;
+
+class RcsVideo extends BaseMessage
+{
+    use TtlTrait;
+
+    protected const RCS_TEXT_MIN_TTL = 300;
+    protected const RCS_TEXT_MAX_TTL = 259200;
+
+    protected string $subType = BaseMessage::MESSAGES_SUBTYPE_VIDEO;
+    protected string $channel = 'rcs';
+    protected VideoObject $video;
+
+    public function __construct(
+        string $to,
+        string $from,
+        VideoObject $videoObject
+    ) {
+        $this->to = $to;
+        $this->from = $from;
+        $this->video = $videoObject;
+    }
+
+    public function setTtl(?int $ttl): void
+    {
+        $range = [
+            'options' => [
+                'min_range' => self::RCS_TEXT_MIN_TTL,
+                'max_range' => self::RCS_TEXT_MAX_TTL
+            ]
+        ];
+
+        if (!filter_var($ttl, FILTER_VALIDATE_INT, $range)) {
+            throw new RcsInvalidTtlException('Timeout ' . $ttl . ' is not valid');
+        }
+
+        $this->ttl = $ttl;
+    }
+
+    public function getVideo(): VideoObject
+    {
+        return $this->video;
+    }
+
+    public function setVideo(VideoObject $videoObject): RcsVideo
+    {
+        $this->video = $videoObject;
+        return $this;
+    }
+
+    public function toArray(): array
+    {
+        $returnArray = $this->getBaseMessageUniversalOutputArray();
+
+        $returnArray['video'] = $this->getVideo()->toArray();
+
+        if ($this->getClientRef()) {
+            $returnArray['client_ref'] = $this->getClientRef();
+        }
+
+        if ($this->getWebhookUrl()) {
+            $returnArray['webhook_url'] = $this->getWebhookUrl();
+        }
+
+        if ($this->getTtl()) {
+            $returnArray['ttl'] = $this->getTtl();
+        }
+
+        return $returnArray;
+    }
+}
diff --git a/test/Messages/ClientTest.php b/test/Messages/ClientTest.php
index f510b306..00d68f5b 100644
--- a/test/Messages/ClientTest.php
+++ b/test/Messages/ClientTest.php
@@ -19,6 +19,12 @@
 use Vonage\Messages\Channel\MMS\MMSImage;
 use Vonage\Messages\Channel\MMS\MMSvCard;
 use Vonage\Messages\Channel\MMS\MMSVideo;
+use Vonage\Messages\Channel\RCS\RcsCustom;
+use Vonage\Messages\Channel\RCS\RcsFile;
+use Vonage\Messages\Channel\RCS\RcsImage;
+use Vonage\Messages\Channel\RCS\RcsInvalidTtlException;
+use Vonage\Messages\Channel\RCS\RcsText;
+use Vonage\Messages\Channel\RCS\RcsVideo;
 use Vonage\Messages\Channel\SMS\SMSText;
 use Vonage\Messages\Channel\Viber\ViberFile;
 use Vonage\Messages\Channel\Viber\ViberImage;
@@ -960,6 +966,236 @@ public function testCanSendViberVideo(): void
         $this->assertArrayHasKey('message_uuid', $result);
     }
 
+    public function testCanSendRcsText(): void
+    {
+        $payload = [
+            'to' => '447700900000',
+            'from' => '16105551212',
+            'text' => 'Reticulating Splines',
+            'client_ref' => 'RCS Message',
+            'ttl' => 330,
+            'webhook_url' => 'https://example.com/incoming'
+        ];
+
+        $message = new RcsText($payload['to'], $payload['from'], $payload['text']);
+        $message->setClientRef($payload['client_ref']);
+        $message->setTtl($payload['ttl']);
+        $message->setWebhookUrl($payload['webhook_url']);
+
+        $this->vonageClient->send(Argument::that(function (Request $request) use ($payload) {
+            $this->assertEquals(
+                'Bearer ',
+                mb_substr($request->getHeaders()['Authorization'][0], 0, 7)
+            );
+            $this->assertRequestJsonBodyContains('to', $payload['to'], $request);
+            $this->assertRequestJsonBodyContains('from', $payload['from'], $request);
+            $this->assertRequestJsonBodyContains('text', $payload['text'], $request);
+            $this->assertRequestJsonBodyContains('client_ref', $payload['client_ref'], $request);
+            $this->assertRequestJsonBodyContains('webhook_url', $payload['webhook_url'], $request);
+            $this->assertRequestJsonBodyContains('ttl', $payload['ttl'], $request);
+            $this->assertRequestJsonBodyContains('channel', 'rcs', $request);
+            $this->assertRequestJsonBodyContains('message_type', 'text', $request);
+            $this->assertEquals('POST', $request->getMethod());
+
+            return true;
+        }))->willReturn($this->getResponse('rcs-success', 202));
+
+        $result = $this->messageClient->send($message);
+        $this->assertIsArray($result);
+        $this->assertArrayHasKey('message_uuid', $result);
+    }
+
+    public function testCannotSendRcsTtlOutOfRange()
+    {
+        $this->expectException(RcsInvalidTtlException::class);
+
+        $payload = [
+            'to' => '447700900000',
+            'from' => '16105551212',
+            'text' => 'Reticulating Splines',
+            'ttl' => 100,
+        ];
+
+        $message = new RcsText($payload['to'], $payload['from'], $payload['text']);
+        $message->setTtl($payload['ttl']);
+    }
+
+    public function testCanSendRcsImage()
+    {
+        $image = new ImageObject('https://my-image.com');
+
+        $payload = [
+            'to' => '447700900000',
+            'from' => '16105551212',
+            'text' => 'Reticulating Splines',
+            'client_ref' => 'RCS Message',
+            'ttl' => 330,
+            'webhook_url' => 'https://example.com/incoming',
+            'image' => $image
+        ];
+
+        $message = new RcsImage($payload['to'], $payload['from'], $payload['image']);
+        $message->setClientRef($payload['client_ref']);
+        $message->setTtl($payload['ttl']);
+        $message->setWebhookUrl($payload['webhook_url']);
+
+        $this->vonageClient->send(Argument::that(function (Request $request) use ($payload) {
+            $this->assertEquals(
+                'Bearer ',
+                mb_substr($request->getHeaders()['Authorization'][0], 0, 7)
+            );
+            $this->assertRequestJsonBodyContains('to', $payload['to'], $request);
+            $this->assertRequestJsonBodyContains('from', $payload['from'], $request);
+            $this->assertRequestJsonBodyContains('client_ref', $payload['client_ref'], $request);
+            $this->assertRequestJsonBodyContains('webhook_url', $payload['webhook_url'], $request);
+            $this->assertRequestJsonBodyContains('ttl', $payload['ttl'], $request);
+            $this->assertRequestJsonBodyContains('channel', 'rcs', $request);
+            $this->assertRequestJsonBodyContains('message_type', 'image', $request);
+            $this->assertRequestJsonBodyContains('image', ['url' => 'https://my-image.com'], $request);
+            $this->assertEquals('POST', $request->getMethod());
+
+            return true;
+        }))->willReturn($this->getResponse('rcs-success', 202));
+
+        $result = $this->messageClient->send($message);
+        $this->assertIsArray($result);
+        $this->assertArrayHasKey('message_uuid', $result);
+    }
+
+    public function testCanSendRcsVideo(): void
+    {
+        $videoObject = new VideoObject('https://my-image.com');
+
+        $payload = [
+            'to' => '447700900000',
+            'from' => '16105551212',
+            'text' => 'Reticulating Splines',
+            'client_ref' => 'RCS Message',
+            'ttl' => 330,
+            'webhook_url' => 'https://example.com/incoming',
+            'video' => $videoObject
+        ];
+
+        $message = new RcsVideo($payload['to'], $payload['from'], $payload['video']);
+        $message->setClientRef($payload
+        ['client_ref']);
+        $message->setTtl($payload['ttl']);
+        $message->setWebhookUrl($payload['webhook_url']);
+
+        $this->vonageClient->send(Argument::that(function (Request $request) use ($payload) {
+            $this->assertEquals(
+                'Bearer ',
+                mb_substr($request->getHeaders()['Authorization'][0], 0, 7)
+            );
+            $this->assertRequestJsonBodyContains('to', $payload['to'], $request);
+            $this->assertRequestJsonBodyContains('from', $payload['from'], $request);
+            $this->assertRequestJsonBodyContains('client_ref', $payload['client_ref'], $request);
+            $this->assertRequestJsonBodyContains('webhook_url', $payload['webhook_url'], $request);
+            $this->assertRequestJsonBodyContains('ttl', $payload['ttl'], $request);
+            $this->assertRequestJsonBodyContains('channel', 'rcs', $request);
+            $this->assertRequestJsonBodyContains('message_type', 'video', $request);
+            $this->assertRequestJsonBodyContains('video', ['url' => 'https://my-image.com'], $request);
+            $this->assertEquals('POST', $request->getMethod());
+
+            return true;
+        }))->willReturn($this->getResponse('rcs-success', 202));
+
+        $result = $this->messageClient->send($message);
+        $this->assertIsArray($result);
+        $this->assertArrayHasKey('message_uuid', $result);
+    }
+
+    public function testCanSendRcsFile(): void
+    {
+        $fileObject = new FileObject('https://example.com/file.pdf');
+
+        $payload = [
+            'to' => '447700900000',
+            'from' => '16105551212',
+            'text' => 'Reticulating Splines',
+            'client_ref' => 'RCS Message',
+            'ttl' => 330,
+            'webhook_url' => 'https://example.com/incoming',
+            'file' => $fileObject
+        ];
+
+        $message = new RcsFile($payload['to'], $payload['from'], $payload['file']);
+        $message->setClientRef($payload['client_ref']);
+        $message->setTtl($payload['ttl']);
+        $message->setWebhookUrl($payload['webhook_url']);
+
+        $this->vonageClient->send(Argument::that(function (Request $request) use ($payload) {
+            $this->assertEquals(
+                'Bearer ',
+                mb_substr($request->getHeaders()['Authorization'][0], 0, 7)
+            );
+            $this->assertRequestJsonBodyContains('to', $payload['to'], $request);
+            $this->assertRequestJsonBodyContains('from', $payload['from'], $request);
+            $this->assertRequestJsonBodyContains('client_ref', $payload['client_ref'], $request);
+            $this->assertRequestJsonBodyContains('webhook_url', $payload['webhook_url'], $request);
+            $this->assertRequestJsonBodyContains('ttl', $payload['ttl'], $request);
+            $this->assertRequestJsonBodyContains('channel', 'rcs', $request);
+            $this->assertRequestJsonBodyContains('message_type', 'file', $request);
+            $this->assertRequestJsonBodyContains('file', ['url' => 'https://example.com/file.pdf'], $request);
+            $this->assertEquals('POST', $request->getMethod());
+
+            return true;
+        }))->willReturn($this->getResponse('rcs-success', 202));
+
+        $result = $this->messageClient->send($message);
+        $this->assertIsArray($result);
+        $this->assertArrayHasKey('message_uuid', $result);
+    }
+
+    public function testCanSendRcsCustom()
+    {
+        $customObject = [
+            'custom_key' => 'custom_value',
+        ];
+
+        $payload = [
+            'to' => '447700900000',
+            'from' => '16105551212',
+            'text' => 'Reticulating Splines',
+            'client_ref' => 'RCS Message',
+            'ttl' => 330,
+            'webhook_url' => 'https://example.com/incoming',
+            'custom' => $customObject
+        ];
+
+        $message = new RcsCustom($payload['to'], $payload['from'], $payload['custom']);
+        $message->setClientRef($payload['client_ref']);
+        $message->setTtl($payload['ttl']);
+        $message->setWebhookUrl($payload['webhook_url']);
+
+        $this->vonageClient->send(Argument::that(function (Request $request) use ($payload) {
+            $this->assertEquals(
+                'Bearer ',
+                mb_substr($request->getHeaders()['Authorization'][0], 0, 7)
+            );
+            $this->assertRequestJsonBodyContains('to', $payload['to'], $request);
+            $this->assertRequestJsonBodyContains('from', $payload['from'], $request);
+            $this->assertRequestJsonBodyContains('client_ref', $payload['client_ref'], $request);
+            $this->assertRequestJsonBodyContains('webhook_url', $payload['webhook_url'], $request);
+            $this->assertRequestJsonBodyContains('ttl', $payload['ttl'], $request);
+            $this->assertRequestJsonBodyContains('channel', 'rcs', $request);
+            $this->assertRequestJsonBodyContains('message_type', 'file', $request);
+            $this->assertRequestJsonBodyContains('custom', ['custom_key' => 'custom_value'], $request);
+            $this->assertEquals('POST', $request->getMethod());
+
+            return true;
+        }))->willReturn($this->getResponse('rcs-success', 202));
+
+        $result = $this->messageClient->send($message);
+        $this->assertIsArray($result);
+        $this->assertArrayHasKey('message_uuid', $result);
+    }
+
+    public function testCanUpdateRcsMessage()
+    {
+        $this->markTestIncomplete();
+    }
+
     public function stickerTypeProvider(): array
     {
         return [
diff --git a/test/Messages/Fixtures/Responses/rcs-success.json b/test/Messages/Fixtures/Responses/rcs-success.json
new file mode 100644
index 00000000..d9cb1168
--- /dev/null
+++ b/test/Messages/Fixtures/Responses/rcs-success.json
@@ -0,0 +1,3 @@
+{
+  "message_uuid": "aaaaaaaa-bbbb-cccc-dddd-0123456789ab"
+}
\ No newline at end of file