diff --git a/src/Payment/Application/Service/TransactionService.php b/src/Payment/Application/Service/TransactionService.php
index 5cf31a6..24945bb 100644
--- a/src/Payment/Application/Service/TransactionService.php
+++ b/src/Payment/Application/Service/TransactionService.php
@@ -5,11 +5,13 @@
 namespace Paymentic\Sdk\Payment\Application\Service;
 
 use Exception;
+use JsonException;
 use Paymentic\Sdk\Payment\Application\Contract\TransactionServiceContract;
 use Paymentic\Sdk\Payment\Application\DTO\CreateTransactionRequest;
 use Paymentic\Sdk\Payment\Application\DTO\CreateTransactionResponse;
 use Paymentic\Sdk\Payment\Application\Mapper\TransactionMapper;
 use Paymentic\Sdk\Payment\Domain\Entity\Transaction;
+use Paymentic\Sdk\Shared\Exception\PaymenticException;
 use Paymentic\Sdk\Shared\Http\HttpClient;
 
 final readonly class TransactionService implements TransactionServiceContract
@@ -19,6 +21,10 @@ public function __construct(
     ) {
     }
 
+    /**
+     * @throws PaymenticException
+     * @throws JsonException
+     */
     public function create(string $pointId, CreateTransactionRequest $request): CreateTransactionResponse
     {
         $response = $this->httpClient->post(
@@ -30,6 +36,8 @@ public function create(string $pointId, CreateTransactionRequest $request): Crea
     }
 
     /**
+     * @throws PaymenticException
+     * @throws JsonException
      * @throws Exception
      */
     public function get(string $pointId, string $transactionId): Transaction
@@ -41,6 +49,10 @@ public function get(string $pointId, string $transactionId): Transaction
         return TransactionMapper::fromArray($response['data']);
     }
 
+    /**
+     * @throws PaymenticException
+     * @throws JsonException
+     */
     public function capture(string $pointId, string $transactionId): void
     {
         $this->httpClient->patch(
diff --git a/src/Shared/Http/HttpClient.php b/src/Shared/Http/HttpClient.php
index 597857b..d4ca2ee 100644
--- a/src/Shared/Http/HttpClient.php
+++ b/src/Shared/Http/HttpClient.php
@@ -24,6 +24,8 @@ public function __construct(
     /**
      * @param array<string, mixed> $data
      * @return array<string, mixed>
+     * @throws JsonException
+     * @throws PaymenticException
      */
     public function post(string $uri, array $data = []): array
     {
@@ -32,6 +34,8 @@ public function post(string $uri, array $data = []): array
 
     /**
      * @return array<string, mixed>
+     * @throws JsonException
+     * @throws PaymenticException
      */
     public function get(string $uri): array
     {
@@ -41,6 +45,8 @@ public function get(string $uri): array
     /**
      * @param array<string, mixed> $data
      * @return array<string, mixed>
+     * @throws JsonException
+     * @throws PaymenticException
      */
     public function patch(string $uri, array $data = []): array
     {