diff --git a/libs/api-bundle/src/Security/AttributeAuthenticator.php b/libs/api-bundle/src/Security/AttributeAuthenticator.php
index 87b5dd062..56ed436ff 100644
--- a/libs/api-bundle/src/Security/AttributeAuthenticator.php
+++ b/libs/api-bundle/src/Security/AttributeAuthenticator.php
@@ -42,13 +42,16 @@ public function authenticate(Request $request): SelfValidatingPassport
             $authenticator = $this->authenticators->get($authAttribute->getName());
             assert($authenticator instanceof TokenAuthenticatorInterface);
 
-            $tokenHeader = $authenticator->getTokenHeader();
-            $token = $request->headers->get($tokenHeader);
+            $tokenHeaders = $authenticator instanceof MultiHeaderTokenAuthenticatorInterface
+                ? $authenticator->getTokenHeaders()
+                : [$authenticator->getTokenHeader()];
+
+            $token = $this->getTokenFromHeaders($request, $tokenHeaders);
 
             if ($token === null) {
                 $error = new CustomUserMessageAuthenticationException(sprintf(
                     'Authentication header "%s" is missing',
-                    $tokenHeader,
+                    implode('" or "', $tokenHeaders),
                 ));
                 continue;
             }
@@ -125,4 +128,21 @@ private function getControllerAuthAttributes(Request $request): array
             ReflectionAttribute::IS_INSTANCEOF,
         );
     }
+
+    /**
+     * @param list<string> $tokenHeaders
+     */
+    private function getTokenFromHeaders(Request $request, array $tokenHeaders): ?string
+    {
+        foreach ($tokenHeaders as $header) {
+            $value = $request->headers->get($header);
+            if ($value !== null) {
+                if ($header === 'Authorization' && str_starts_with($value, 'Bearer ')) {
+                    return substr($value, 7);
+                }
+                return $value;
+            }
+        }
+        return null;
+    }
 }
diff --git a/libs/api-bundle/src/Security/MultiHeaderTokenAuthenticatorInterface.php b/libs/api-bundle/src/Security/MultiHeaderTokenAuthenticatorInterface.php
new file mode 100644
index 000000000..eb961dc95
--- /dev/null
+++ b/libs/api-bundle/src/Security/MultiHeaderTokenAuthenticatorInterface.php
@@ -0,0 +1,24 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Keboola\ApiBundle\Security;
+
+/**
+ * Extension of TokenAuthenticatorInterface that supports multiple authentication headers.
+ * When an authenticator implements this interface, the AttributeAuthenticator will try
+ * each header in order until it finds a non-null value.
+ *
+ * @template TokenType of TokenInterface
+ * @extends TokenAuthenticatorInterface<TokenType>
+ */
+interface MultiHeaderTokenAuthenticatorInterface extends TokenAuthenticatorInterface
+{
+    /**
+     * Returns a list of authentication headers to try, in priority order.
+     * The first header that has a non-null value will be used for authentication.
+     *
+     * @return list<string>
+     */
+    public function getTokenHeaders(): array;
+}
diff --git a/libs/api-bundle/src/Security/StorageApiToken/StorageApiTokenAuthenticator.php b/libs/api-bundle/src/Security/StorageApiToken/StorageApiTokenAuthenticator.php
index f4ceca986..d039ae988 100644
--- a/libs/api-bundle/src/Security/StorageApiToken/StorageApiTokenAuthenticator.php
+++ b/libs/api-bundle/src/Security/StorageApiToken/StorageApiTokenAuthenticator.php
@@ -6,7 +6,7 @@
 
 use Keboola\ApiBundle\Attribute\AuthAttributeInterface;
 use Keboola\ApiBundle\Attribute\StorageApiTokenAuth;
-use Keboola\ApiBundle\Security\TokenAuthenticatorInterface;
+use Keboola\ApiBundle\Security\MultiHeaderTokenAuthenticatorInterface;
 use Keboola\ApiBundle\Security\TokenInterface;
 use Keboola\StorageApi\ClientException;
 use Keboola\StorageApiBranch\Factory\StorageClientRequestFactory;
@@ -15,9 +15,9 @@
 use Symfony\Component\Security\Core\Exception\CustomUserMessageAuthenticationException;
 
 /**
- * @implements TokenAuthenticatorInterface<StorageApiToken>
+ * @implements MultiHeaderTokenAuthenticatorInterface<StorageApiToken>
  */
-class StorageApiTokenAuthenticator implements TokenAuthenticatorInterface
+class StorageApiTokenAuthenticator implements MultiHeaderTokenAuthenticatorInterface
 {
     public function __construct(
         private readonly StorageClientRequestFactory $clientRequestFactory,
@@ -30,6 +30,11 @@ public function getTokenHeader(): string
         return 'X-StorageApi-Token';
     }
 
+    public function getTokenHeaders(): array
+    {
+        return ['Authorization', 'X-StorageApi-Token'];
+    }
+
     public function authenticateToken(AuthAttributeInterface $authAttribute, string $token): StorageApiToken
     {
         assert($authAttribute instanceof StorageApiTokenAuth);
diff --git a/libs/api-bundle/tests/Security/AttributeAuthenticatorTest.php b/libs/api-bundle/tests/Security/AttributeAuthenticatorTest.php
index d27cac778..fb0ed0899 100644
--- a/libs/api-bundle/tests/Security/AttributeAuthenticatorTest.php
+++ b/libs/api-bundle/tests/Security/AttributeAuthenticatorTest.php
@@ -7,6 +7,7 @@
 use Keboola\ApiBundle\Attribute\ManageApiTokenAuth;
 use Keboola\ApiBundle\Attribute\StorageApiTokenAuth;
 use Keboola\ApiBundle\Security\AttributeAuthenticator;
+use Keboola\ApiBundle\Security\MultiHeaderTokenAuthenticatorInterface;
 use Keboola\ApiBundle\Security\TokenAuthenticatorInterface;
 use Keboola\ApiBundle\Security\TokenInterface;
 use Keboola\ApiBundle\Util\ControllerReflector;
@@ -376,4 +377,182 @@ private function createAuthenticatorWithFailingAuthorization(
 
         return $authenticator;
     }
+
+    public function testAuthenticateRequestWithBearerToken(): void
+    {
+        $controller = new
+            #[StorageApiTokenAuth(['foo-feature'])]
+            class {
+                public function __invoke(): void {}
+            };
+
+        $request = $this->createControllerRequest($controller, [
+            'Authorization' => 'Bearer my-oauth-token',
+        ]);
+
+        $token = $this->createToken('user-id');
+
+        $authenticator = $this->createAuthenticator(
+            $controller,
+            [
+                StorageApiTokenAuth::class => $this->createMultiHeaderSuccessAuthenticator(
+                    $token,
+                    'my-oauth-token',
+                ),
+            ],
+        );
+        $passport = $authenticator->authenticate($request);
+
+        self::assertSame($token, $passport->getUser());
+    }
+
+    public function testAuthenticateRequestWithXStorageApiTokenFallback(): void
+    {
+        $controller = new
+            #[StorageApiTokenAuth(['foo-feature'])]
+            class {
+                public function __invoke(): void {}
+            };
+
+        $request = $this->createControllerRequest($controller, [
+            'X-StorageApi-Token' => 'my-storage-token',
+        ]);
+
+        $token = $this->createToken('user-id');
+
+        $authenticator = $this->createAuthenticator(
+            $controller,
+            [
+                StorageApiTokenAuth::class => $this->createMultiHeaderSuccessAuthenticator(
+                    $token,
+                    'my-storage-token',
+                ),
+            ],
+        );
+        $passport = $authenticator->authenticate($request);
+
+        self::assertSame($token, $passport->getUser());
+    }
+
+    public function testAuthenticateRequestBearerTokenTakesPrecedence(): void
+    {
+        $controller = new
+            #[StorageApiTokenAuth(['foo-feature'])]
+            class {
+                public function __invoke(): void {}
+            };
+
+        // Both headers present - Bearer should take precedence
+        $request = $this->createControllerRequest($controller, [
+            'Authorization' => 'Bearer my-oauth-token',
+            'X-StorageApi-Token' => 'my-storage-token',
+        ]);
+
+        $token = $this->createToken('user-id');
+
+        // The authenticator should receive the Bearer token, not the X-StorageApi-Token
+        $authenticator = $this->createAuthenticator(
+            $controller,
+            [
+                StorageApiTokenAuth::class => $this->createMultiHeaderSuccessAuthenticator(
+                    $token,
+                    'my-oauth-token', // Bearer token value (without "Bearer " prefix)
+                ),
+            ],
+        );
+        $passport = $authenticator->authenticate($request);
+
+        self::assertSame($token, $passport->getUser());
+    }
+
+    public function testAuthenticateRequestWithMultiHeaderAuthenticatorNoToken(): void
+    {
+        $controller = new
+            #[StorageApiTokenAuth(['foo-feature'])]
+            class {
+                public function __invoke(): void {}
+            };
+
+        $request = $this->createControllerRequest($controller, []);
+
+        $multiHeaderAuthenticator = $this->createMock(MultiHeaderTokenAuthenticatorInterface::class);
+        $multiHeaderAuthenticator->expects(self::once())
+            ->method('getTokenHeaders')
+            ->willReturn(['Authorization', 'X-StorageApi-Token'])
+        ;
+
+        $authenticator = $this->createAuthenticator(
+            $controller,
+            [
+                StorageApiTokenAuth::class => $multiHeaderAuthenticator,
+            ],
+        );
+
+        $this->expectException(CustomUserMessageAuthenticationException::class);
+        $this->expectExceptionMessage('Authentication header "Authorization" or "X-StorageApi-Token" is missing');
+
+        $authenticator->authenticate($request);
+    }
+
+    public function testAuthenticateRequestWithAuthorizationHeaderWithoutBearerPrefix(): void
+    {
+        $controller = new
+            #[StorageApiTokenAuth(['foo-feature'])]
+            class {
+                public function __invoke(): void {}
+            };
+
+        // Authorization header without "Bearer " prefix should be used as-is
+        $request = $this->createControllerRequest($controller, [
+            'Authorization' => 'Basic some-basic-auth',
+        ]);
+
+        $token = $this->createToken('user-id');
+
+        $authenticator = $this->createAuthenticator(
+            $controller,
+            [
+                StorageApiTokenAuth::class => $this->createMultiHeaderSuccessAuthenticator(
+                    $token,
+                    'Basic some-basic-auth', // Full value since it's not Bearer
+                ),
+            ],
+        );
+        $passport = $authenticator->authenticate($request);
+
+        self::assertSame($token, $passport->getUser());
+    }
+
+    /**
+     * @return MultiHeaderTokenAuthenticatorInterface<TokenInterface>
+     */
+    private function createMultiHeaderSuccessAuthenticator(
+        TokenInterface $token,
+        string $expectedTokenValue,
+    ): MultiHeaderTokenAuthenticatorInterface {
+        $authenticator = $this->createMock(MultiHeaderTokenAuthenticatorInterface::class);
+        $authenticator->expects(self::once())
+            ->method('getTokenHeaders')
+            ->willReturn(['Authorization', 'X-StorageApi-Token'])
+        ;
+
+        $authenticator->expects(self::once())
+            ->method('authenticateToken')
+            ->with(
+                $this->isInstanceOf(StorageApiTokenAuth::class),
+                $expectedTokenValue,
+            )
+            ->willReturn($token)
+        ;
+
+        $authenticator->expects(self::once())
+            ->method('authorizeToken')
+            ->with(
+                $this->isInstanceOf(StorageApiTokenAuth::class),
+                $token,
+            )
+        ;
+
+        return $authenticator;
+    }
 }