diff --git a/src/BlindPay.php b/src/BlindPay.php
index accaad1..8f47185 100644
--- a/src/BlindPay.php
+++ b/src/BlindPay.php
@@ -21,6 +21,7 @@
 use BlindPay\SDK\Resources\Quotes\Quotes;
 use BlindPay\SDK\Resources\Receivers\Receivers;
 use BlindPay\SDK\Resources\Receivers\ReceiversWrapper;
+use BlindPay\SDK\Resources\TermsOfService\TermsOfService;
 use BlindPay\SDK\Resources\Transfers\Transfers;
 use BlindPay\SDK\Resources\Upload\Upload;
 use BlindPay\SDK\Resources\VirtualAccounts\VirtualAccounts;
@@ -38,7 +39,7 @@ class BlindPay implements ApiClientInterface
 {
     private const BASE_URL = 'https://api.blindpay.com/v1/';
 
-    private const VERSION = '2.1.0';
+    private const VERSION = '2.2.0';
 
     private Client $httpClient;
 
@@ -114,10 +115,13 @@ private function initializeInstances(): void
         $apiKeysResource = new ApiKeys($this->instanceId, $this);
         $webhooksResource = new Webhooks($this->instanceId, $this);
 
+        $termsOfServiceResource = new TermsOfService($this->instanceId, $this);
+
         $this->instances = new InstancesWrapper(
             $instancesResource,
             $apiKeysResource,
-            $webhooksResource
+            $webhooksResource,
+            $termsOfServiceResource
         );
     }
 
diff --git a/src/Resources/Instances/InstancesWrapper.php b/src/Resources/Instances/InstancesWrapper.php
index b021a2b..a0daa5a 100644
--- a/src/Resources/Instances/InstancesWrapper.php
+++ b/src/Resources/Instances/InstancesWrapper.php
@@ -5,6 +5,7 @@
 namespace BlindPay\SDK\Resources\Instances;
 
 use BlindPay\SDK\Resources\ApiKeys\ApiKeys;
+use BlindPay\SDK\Resources\TermsOfService\TermsOfService;
 use BlindPay\SDK\Resources\Webhooks\Webhooks;
 use BlindPay\SDK\Types\BlindPayApiResponse;
 
@@ -13,7 +14,8 @@
     public function __construct(
         private Instances $base,
         public ApiKeys $apiKeys,
-        public Webhooks $webhookEndpoints
+        public Webhooks $webhookEndpoints,
+        public TermsOfService $tos
     ) {}
 
     /*
diff --git a/src/Resources/TermsOfService/TermsOfService.php b/src/Resources/TermsOfService/TermsOfService.php
new file mode 100644
index 0000000..62b8c16
--- /dev/null
+++ b/src/Resources/TermsOfService/TermsOfService.php
@@ -0,0 +1,84 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BlindPay\SDK\Resources\TermsOfService;
+
+use BlindPay\SDK\Internal\ApiClientInterface;
+use BlindPay\SDK\Types\BlindPayApiResponse;
+
+readonly class InitiateInput
+{
+    public function __construct(
+        public string $idempotencyKey,
+        public ?string $receiverId = null,
+        public ?string $redirectUrl = null
+    ) {}
+
+    public function toArray(): array
+    {
+        $data = [
+            'idempotency_key' => $this->idempotencyKey,
+        ];
+
+        if ($this->receiverId !== null) {
+            $data['receiver_id'] = $this->receiverId;
+        }
+
+        if ($this->redirectUrl !== null) {
+            $data['redirect_url'] = $this->redirectUrl;
+        }
+
+        return $data;
+    }
+}
+
+readonly class InitiateResponse
+{
+    public function __construct(
+        public string $url
+    ) {}
+
+    public static function fromArray(array $data): self
+    {
+        return new self(
+            url: $data['url']
+        );
+    }
+}
+
+class TermsOfService
+{
+    public function __construct(
+        private readonly string $instanceId,
+        private readonly ApiClientInterface $client
+    ) {}
+
+    /*
+     * Initiate Terms of Service acceptance flow
+     *
+     * @param InitiateInput $input
+     * @return BlindPayApiResponse<InitiateResponse>
+     */
+    public function initiate(InitiateInput $input): BlindPayApiResponse
+    {
+        if (empty($input->idempotencyKey)) {
+            return BlindPayApiResponse::error(
+                new \BlindPay\SDK\Types\ErrorResponse('Idempotency key cannot be empty')
+            );
+        }
+
+        $response = $this->client->post(
+            "e/instances/{$this->instanceId}/tos",
+            $input->toArray()
+        );
+
+        if ($response->isSuccess() && is_array($response->data)) {
+            return BlindPayApiResponse::success(
+                InitiateResponse::fromArray($response->data)
+            );
+        }
+
+        return $response;
+    }
+}
diff --git a/tests/Resources/TermsOfService/TermsOfServiceTest.php b/tests/Resources/TermsOfService/TermsOfServiceTest.php
new file mode 100644
index 0000000..ff57337
--- /dev/null
+++ b/tests/Resources/TermsOfService/TermsOfServiceTest.php
@@ -0,0 +1,77 @@
+<?php
+
+declare(strict_types=1);
+
+namespace BlindPay\SDK\Tests\Resources;
+
+use BlindPay\SDK\BlindPay;
+use BlindPay\SDK\Resources\TermsOfService\InitiateInput;
+use GuzzleHttp\Client;
+use GuzzleHttp\Handler\MockHandler;
+use GuzzleHttp\HandlerStack;
+use GuzzleHttp\Psr7\Response;
+use PHPUnit\Framework\Attributes\Test;
+use PHPUnit\Framework\TestCase;
+use ReflectionClass;
+
+class TermsOfServiceTest extends TestCase
+{
+    private BlindPay $blindpay;
+
+    private MockHandler $mockHandler;
+
+    protected function setUp(): void
+    {
+        $this->mockHandler = new MockHandler;
+        $handlerStack = HandlerStack::create($this->mockHandler);
+        $httpClient = new Client(['handler' => $handlerStack]);
+
+        $this->blindpay = new BlindPay(
+            apiKey: 'test-key',
+            instanceId: 'in_000000000000'
+        );
+
+        $this->injectHttpClient($httpClient);
+    }
+
+    private function injectHttpClient(Client $client): void
+    {
+        $reflection = new ReflectionClass($this->blindpay);
+        $property = $reflection->getProperty('httpClient');
+        $property->setAccessible(true);
+        $property->setValue($this->blindpay, $client);
+    }
+
+    private function mockResponse(array $body, int $status = 200): void
+    {
+        $this->mockHandler->append(
+            new Response(
+                $status,
+                ['Content-Type' => 'application/json'],
+                json_encode($body)
+            )
+        );
+    }
+
+    #[Test]
+    public function it_initiates_terms_of_service_with_all_parameters(): void
+    {
+        $mockedResponse = [
+            'url' => 'https://app.blindpay.com/e/terms-of-service?session_token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c',
+        ];
+
+        $this->mockResponse($mockedResponse);
+
+        $input = new InitiateInput(
+            idempotencyKey: '123e4567-e89b-12d3-a456-426614174000',
+            receiverId: null,
+            redirectUrl: null
+        );
+
+        $response = $this->blindpay->instances->tos->initiate($input);
+
+        $this->assertTrue($response->isSuccess());
+        $this->assertNull($response->error);
+        $this->assertEquals($mockedResponse['url'], $response->data->url);
+    }
+}