diff --git a/CHANGELOG.md b/CHANGELOG.md
index a3a63db..32988f1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,7 @@
   * It's a private API, there's a small chance that it should not affect the code
 * Deprecate conditional patch with resource argument, use kwargs instead
 * Fix pickling error for BaseResource instances #77
+* Add .execute for search set #74
 
 ## 1.4.2
 * Conditional delete @pavlushkin
diff --git a/fhirpy/base/lib_async.py b/fhirpy/base/lib_async.py
index bef3031..762a2f8 100644
--- a/fhirpy/base/lib_async.py
+++ b/fhirpy/base/lib_async.py
@@ -272,8 +272,8 @@ async def to_resource(self) -> TResource:
         return cast(TResource, self)
 
     async def is_valid(self, raise_exception=False) -> bool:
-        data = await self.__client__._do_request(
-            "post", f"{self.resource_type}/$validate", data=self.serialize()
+        data = await self.__client__.execute(
+            f"{self.resource_type}/$validate", method="post", data=self.serialize()
         )
         if any(issue["severity"] in ["fatal", "error"] for issue in data["issue"]):
             if raise_exception:
@@ -288,9 +288,9 @@ async def execute(
         data: Union[dict, None] = None,
         params: Union[dict, None] = None,
     ) -> Any:
-        return await self.__client__._do_request(
-            method,
+        return await self.__client__.execute(
             f"{self._get_path()}/{operation}",
+            method,
             data=data,
             params=params,
         )
@@ -308,16 +308,22 @@ async def to_resource(self) -> TResource:
         """
         if not self.is_local:
             raise ResourceNotFound("Can not resolve not local resource")
-        resource_data = await self.__client__._do_request("get", f"{self.resource_type}/{self.id}")
+        resource_data = await self.__client__.execute(
+            f"{self.resource_type}/{self.id}", method="get"
+        )
         return self._dict_to_resource(resource_data)
 
-    async def execute(self, operation, method="post", **kwargs):
+    async def execute(
+        self,
+        operation,
+        method="post",
+        data: Union[dict, None] = None,
+        params: Union[dict, None] = None,
+    ):
         if not self.is_local:
             raise ResourceNotFound("Can not execute on not local resource")
-        return await self.__client__._do_request(
-            method,
-            f"{self.resource_type}/{self.id}/{operation}",
-            **kwargs,
+        return await self.__client__.execute(
+            f"{self.resource_type}/{self.id}/{operation}", method=method, data=data, params=params
         )
 
     async def patch(self, **kwargs) -> TResource:
@@ -331,6 +337,20 @@ async def delete(self):
 class AsyncSearchSet(
     Generic[TAsyncClient, TResource], AbstractSearchSet[TAsyncClient, TResource], ABC
 ):
+    async def execute(
+        self,
+        operation: str,
+        method: str = "post",
+        data: Union[dict, None] = None,
+        params: Union[dict, None] = None,
+    ) -> Any:
+        return await self.client.execute(
+            f"{self.resource_type}/{operation}",
+            method=method,
+            data=data,
+            params=params,
+        )
+
     async def fetch(self) -> list[TResource]:
         bundle_data = await self.client._fetch_resource(self.resource_type, self.params)
 
@@ -383,7 +403,7 @@ async def first(self) -> Union[TResource, None]:
     async def get_or_create(self, resource: TResource) -> tuple[TResource, bool]:
         assert resource.resourceType == self.resource_type
         response_data, status_code = await self.client._do_request(
-            "POST",
+            "post",
             self.resource_type,
             serialize(resource),
             self.params,
@@ -396,7 +416,7 @@ async def update(self, resource: TResource) -> tuple[TResource, bool]:
         # accordingly to the https://build.fhir.org/http.html#cond-update
         assert resource.resourceType == self.resource_type
         response_data, status_code = await self.client._do_request(
-            "PUT",
+            "put",
             self.resource_type,
             serialize(resource),
             self.params,
@@ -420,7 +440,7 @@ async def patch(self, _resource: Any = None, **kwargs) -> TResource:
 
     async def delete(self) -> Any:
         return await self.client._do_request(
-            "DELETE", self.resource_type, params=self.params, returning_status=True
+            "delete", self.resource_type, params=self.params, returning_status=True
         )
 
     async def __aiter__(self) -> AsyncGenerator[TResource, None]:
diff --git a/fhirpy/base/lib_sync.py b/fhirpy/base/lib_sync.py
index 9e75d84..103559c 100644
--- a/fhirpy/base/lib_sync.py
+++ b/fhirpy/base/lib_sync.py
@@ -266,8 +266,8 @@ def to_resource(self) -> TResource:
         return cast(TResource, self)
 
     def is_valid(self, raise_exception=False) -> bool:
-        data = self.__client__._do_request(
-            "post", f"{self.resource_type}/$validate", data=self.serialize()
+        data = self.__client__.execute(
+            f"{self.resource_type}/$validate", method="post", data=self.serialize()
         )
         if any(issue["severity"] in ["fatal", "error"] for issue in data["issue"]):
             if raise_exception:
@@ -282,9 +282,9 @@ def execute(
         data: Union[dict, None] = None,
         params: Union[dict, None] = None,
     ) -> Any:
-        return self.__client__._do_request(
-            method,
+        return self.__client__.execute(
             f"{self._get_path()}/{operation}",
+            method=method,
             data=data,
             params=params,
         )
@@ -302,16 +302,26 @@ def to_resource(self) -> TResource:
         """
         if not self.is_local:
             raise ResourceNotFound("Can not resolve not local resource")
-        resource_data = self.__client__._do_request("get", f"{self.resource_type}/{self.id}")
+        resource_data = self.__client__.execute(
+            f"{self.resource_type}/{self.id}",
+            method="get",
+        )
         return self._dict_to_resource(resource_data)
 
-    def execute(self, operation, method="post", **kwargs):
+    def execute(
+        self,
+        operation,
+        method="post",
+        data: Union[dict, None] = None,
+        params: Union[dict, None] = None,
+    ):
         if not self.is_local:
             raise ResourceNotFound("Can not execute on not local resource")
-        return self.__client__._do_request(
-            method,
+        return self.__client__.execute(
             f"{self.resource_type}/{self.id}/{operation}",
-            **kwargs,
+            method=method,
+            data=data,
+            params=params,
         )
 
     def patch(self, **kwargs) -> TResource:
@@ -325,6 +335,20 @@ def delete(self):
 class SyncSearchSet(
     Generic[TSyncClient, TResource], AbstractSearchSet[TSyncClient, TResource], ABC
 ):
+    def execute(
+        self,
+        operation: str,
+        method: str = "post",
+        data: Union[dict, None] = None,
+        params: Union[dict, None] = None,
+    ) -> Any:
+        return self.client.execute(
+            f"{self.resource_type}/{operation}",
+            method=method,
+            data=data,
+            params=params,
+        )
+
     def fetch(self) -> list[TResource]:
         bundle_data = self.client._fetch_resource(self.resource_type, self.params)
 
@@ -377,7 +401,7 @@ def first(self) -> Union[TResource, None]:
     def get_or_create(self, resource: TResource) -> tuple[TResource, int]:
         assert resource.resourceType == self.resource_type
         response_data, status_code = self.client._do_request(
-            "POST",
+            "post",
             self.resource_type,
             serialize(resource),
             self.params,
@@ -390,7 +414,7 @@ def update(self, resource: TResource) -> tuple[TResource, int]:
         # accordingly to the https://build.fhir.org/http.html#cond-update
         assert resource.resourceType == self.resource_type
         response_data, status_code = self.client._do_request(
-            "PUT",
+            "put",
             self.resource_type,
             serialize(resource),
             self.params,
@@ -409,12 +433,12 @@ def patch(self, _resource: Any = None, **kwargs) -> TResource:
             )
 
         data = serialize(_resource if _resource is not None else kwargs)
-        response_data = self.client._do_request("PATCH", self.resource_type, data, self.params)
+        response_data = self.client._do_request("patch", self.resource_type, data, self.params)
         return self._dict_to_resource(response_data)
 
     def delete(self) -> Any:
         return self.client._do_request(
-            "DELETE", self.resource_type, params=self.params, returning_status=True
+            "delete", self.resource_type, params=self.params, returning_status=True
         )
 
     def __iter__(self) -> Generator[TResource, None, None]:
diff --git a/fhirpy/base/resource.py b/fhirpy/base/resource.py
index c1ede9f..0f07520 100644
--- a/fhirpy/base/resource.py
+++ b/fhirpy/base/resource.py
@@ -207,7 +207,13 @@ def to_resource(self):
         pass
 
     @abstractmethod
-    def execute(self, operation, method=None, **kwargs):
+    def execute(
+        self,
+        operation,
+        method=None,
+        data: Union[dict, None] = None,
+        params: Union[dict, None] = None,
+    ):
         pass
 
     @abstractmethod
diff --git a/fhirpy/base/searchset.py b/fhirpy/base/searchset.py
index 9fd1dd7..631f3fe 100644
--- a/fhirpy/base/searchset.py
+++ b/fhirpy/base/searchset.py
@@ -198,6 +198,16 @@ def _dict_to_resource(self, data) -> TResource:
             return self.custom_resource_class(**data)
         return self.client.resource(data["resourceType"], **data)
 
+    @abstractmethod
+    def execute(
+        self,
+        path: str,
+        method: str = "post",
+        data: Union[dict, None] = None,
+        params: Union[dict, None] = None,
+    ):
+        pass
+
     @abstractmethod
     def fetch(self):
         pass
diff --git a/tests/test_lib_async.py b/tests/test_lib_async.py
index b299d5c..baa7b4f 100644
--- a/tests/test_lib_async.py
+++ b/tests/test_lib_async.py
@@ -928,6 +928,35 @@ async def test_client_execute_lastn(self):
         assert response["total"] == 1
         assert response["entry"][0]["resource"]["id"] == observation["id"]
 
+    @pytest.mark.asyncio()
+    async def test_searchset_execute_lastn(self):
+        patient = await self.create_resource("Patient", name=[{"text": "John First"}])
+        observation = await self.create_resource(
+            "Observation",
+            status="registered",
+            subject=patient,
+            category=[
+                {
+                    "coding": [
+                        {
+                            "code": "vital-signs",
+                            "system": "http://terminology.hl7.org/CodeSystem/observation-category",
+                            "display": "Vital Signs",
+                        }
+                    ]
+                }
+            ],
+            code={"coding": [{"code": "10000-8", "system": "http://loinc.org"}]},
+        )
+        response = await self.client.resources("Observation").execute(
+            "$lastn",
+            method="get",
+            params={"patient": f"Patient/{patient.id}", "category": "vital-signs"},
+        )
+        assert response["resourceType"] == "Bundle"
+        assert response["total"] == 1
+        assert response["entry"][0]["resource"]["id"] == observation["id"]
+
     @pytest.mark.asyncio()
     async def test_resource_execute_lastn(self):
         patient = await self.create_resource("Patient", name=[{"text": "John First"}])
diff --git a/tests/test_lib_sync.py b/tests/test_lib_sync.py
index 8d26b94..61d4dd6 100644
--- a/tests/test_lib_sync.py
+++ b/tests/test_lib_sync.py
@@ -863,6 +863,34 @@ def test_client_execute_lastn(self):
         assert response["total"] == 1
         assert response["entry"][0]["resource"]["id"] == observation["id"]
 
+    def test_searchset_execute_lastn(self):
+        patient = self.create_resource("Patient", name=[{"text": "John First"}])
+        observation = self.create_resource(
+            "Observation",
+            status="registered",
+            subject=patient,
+            category=[
+                {
+                    "coding": [
+                        {
+                            "code": "vital-signs",
+                            "system": "http://terminology.hl7.org/CodeSystem/observation-category",
+                            "display": "Vital Signs",
+                        }
+                    ]
+                }
+            ],
+            code={"coding": [{"code": "10000-8", "system": "http://loinc.org"}]},
+        )
+        response = self.client.resources("Observation").execute(
+            "$lastn",
+            method="get",
+            params={"patient": f"Patient/{patient.id}", "category": "vital-signs"},
+        )
+        assert response["resourceType"] == "Bundle"
+        assert response["total"] == 1
+        assert response["entry"][0]["resource"]["id"] == observation["id"]
+
     def test_resource_execute_lastn(self):
         patient = self.create_resource("Patient", name=[{"text": "John First"}])
         observation = self.create_resource(