diff --git a/swh/core/api/__init__.py b/swh/core/api/__init__.py
--- a/swh/core/api/__init__.py
+++ b/swh/core/api/__init__.py
@@ -123,9 +123,10 @@
 F = TypeVar("F", bound=Callable)
 
 
-def remote_api_endpoint(path) -> Callable[[F], F]:
+def remote_api_endpoint(path: str, method: str = "POST") -> Callable[[F], F]:
     def dec(f: F) -> F:
         f._endpoint_path = path  # type: ignore
+        f._method = method  # type: ignore
         return f
 
     return dec
diff --git a/swh/core/api/asynchronous.py b/swh/core/api/asynchronous.py
--- a/swh/core/api/asynchronous.py
+++ b/swh/core/api/asynchronous.py
@@ -133,9 +133,12 @@
             for (meth_name, meth) in backend_class.__dict__.items():
                 if hasattr(meth, "_endpoint_path"):
                     path = meth._endpoint_path
+                    http_method = meth._method
                     path = path if path.startswith("/") else f"/{path}"
                     self.router.add_route(
-                        "POST", path, self._endpoint(meth_name, meth, backend_factory)
+                        http_method,
+                        path,
+                        self._endpoint(meth_name, meth, backend_factory),
                     )
 
     def _renderers(self):
diff --git a/swh/core/api/tests/test_init.py b/swh/core/api/tests/test_init.py
new file mode 100644
--- /dev/null
+++ b/swh/core/api/tests/test_init.py
@@ -0,0 +1,29 @@
+# Copyright (C) 2017-2020  The Software Heritage developers
+# See the AUTHORS file at the top-level directory of this distribution
+# License: GNU General Public License version 3, or any later version
+# See top-level LICENSE file for more information
+
+
+from swh.core.api import remote_api_endpoint
+
+
+def test_remote_api_endpoint():
+    @remote_api_endpoint("hello_route")
+    def hello():
+        pass
+
+    assert hasattr(hello, "_endpoint_path")
+    assert hello._endpoint_path == "hello_route"
+    assert hasattr(hello, "_method")
+    assert hello._method == "POST"
+
+
+def test_remote_api_endpoint_2():
+    @remote_api_endpoint("another_route", method="GET")
+    def hello2():
+        pass
+
+    assert hasattr(hello2, "_endpoint_path")
+    assert hello2._endpoint_path == "another_route"
+    assert hasattr(hello2, "_method")
+    assert hello2._method == "GET"
diff --git a/swh/core/api/tests/test_rpc_server_asynchronous.py b/swh/core/api/tests/test_rpc_server_asynchronous.py
--- a/swh/core/api/tests/test_rpc_server_asynchronous.py
+++ b/swh/core/api/tests/test_rpc_server_asynchronous.py
@@ -20,7 +20,7 @@
 class BackendStorageTest:
     """Backend Storage to use as backend class of the rpc server (test only)"""
 
-    @remote_api_endpoint("test_endpoint_url")
+    @remote_api_endpoint("test_endpoint_url", method="GET")
     def test_endpoint(self, test_data, db=None, cur=None):
         assert test_data == "spam"
         return "egg"
@@ -119,7 +119,7 @@
 
 
 async def test_api_async_rpc_server(cli):
-    res = await cli.post(
+    res = await cli.get(
         "/test_endpoint_url",
         headers=[
             ("Content-Type", "application/x-msgpack"),