diff --git a/planet/clients/data.py b/planet/clients/data.py
index a7b96ec..0dbe7e3 100644
--- a/planet/clients/data.py
+++ b/planet/clients/data.py
@@ -40,6 +40,12 @@ class Items(Paged):
     ITEMS_KEY = 'features'
 
 
+class Searches(Paged):
+    """Asynchronous iterator over searches from a paged response."""
+    NEXT_KEY = '_next'
+    ITEMS_KEY = 'searches'
+
+
 class DataClient:
     """Low-level asynchronous access to Planet's data API.
 
@@ -212,12 +218,25 @@ class DataClient:
         Returns:
             Description of the saved search.
         """
-        raise NotImplementedError
+        url = f'{self._searches_url()}/{search_id}'
+
+        request_json = {
+            'name': name,
+            'filter': search_filter,
+            'item_types': item_types,
+            '__daily_email_enabled': enable_email
+        }
+
+        request = self._request(url, method='PUT', json=request_json)
+        response = await self._do_request(request)
+        return response.json()
 
     async def list_searches(
             self,
             sort: str = 'created desc',
-            search_type: str = 'any') -> typing.AsyncIterator[dict]:
+            search_type: str = 'any',
+            limit: typing.Union[int,
+                                None] = 100) -> typing.AsyncIterator[dict]:
         """List all saved searches available to the authenticated user.
 
         NOTE: the term 'saved' is overloaded here. We want to list saved
@@ -228,18 +247,29 @@ class DataClient:
         Parameters:
             sort: Field and direction to order results by.
             search_type: Search type filter.
+            limit: Maximum number of items to return.
 
         Returns:
-            List of saved searches that match filter.
+            An iterator over all searches that match filter.
 
         Raises:
             planet.exceptions.APIError: On API error.
             planet.exceptions.ClientError: If sort or search_type are not
                 valid.
         """
-        # NOTE: check sort and search_type args are in LIST_SORT_ORDER and
-        # LIST_SEARCH_TYPE, respectively
-        raise NotImplementedError
+        sort = sort.lower()
+        if sort not in LIST_SORT_ORDER:
+            raise exceptions.ClientError(
+                f'{sort} must be one of {LIST_SORT_ORDER}')
+
+        search_type = search_type.lower()
+        if search_type not in LIST_SEARCH_TYPE:
+            raise exceptions.ClientError(
+                f'{search_type} must be one of {LIST_SEARCH_TYPE}')
+
+        url = f'{self._searches_url()}'
+        request = self._request(url, method='GET')
+        return Searches(request, self._do_request, limit=limit)
 
     async def delete_search(self, search_id: str):
         """Delete an existing saved search.
@@ -247,13 +277,13 @@ class DataClient:
         Parameters:
             search_id: Saved search identifier.
 
-        Returns:
-            Nothing.
-
         Raises:
             planet.exceptions.APIError: On API error.
         """
-        raise NotImplementedError
+        url = f'{self._searches_url()}/{search_id}'
+
+        request = self._request(url, method='DELETE')
+        await self._do_request(request)
 
     async def get_search(self, search_id: str) -> dict:
         """Get a saved search by id.
@@ -269,11 +299,16 @@ class DataClient:
         """
         raise NotImplementedError
 
-    async def run_search(self, search_id: str) -> typing.AsyncIterator[dict]:
+    async def run_search(
+            self,
+            search_id: str,
+            limit: typing.Union[int,
+                                None] = 100) -> typing.AsyncIterator[dict]:
         """Execute a saved search.
 
         Parameters:
             search_id: Stored search identifier.
+            limit: Maximum number of items to return.
 
         Returns:
             Returns an iterator over all items matching the search.
@@ -281,7 +316,10 @@ class DataClient:
         Raises:
             planet.exceptions.APIError: On API error.
         """
-        raise NotImplementedError
+        url = f'{self._searches_url()}/{search_id}/results'
+
+        request = self._request(url, method='GET')
+        return Items(request, self._do_request, limit=limit)
 
     async def get_stats(self,
                         item_types: typing.List[str],
@@ -301,6 +339,7 @@ class DataClient:
             planet.exceptions.APIError: On API error.
             planet.exceptions.ClientError: If interval is not valid.
         """
+        interval = interval.lower()
         if interval not in STATS_INTERVAL:
             raise exceptions.ClientError(
                 f'{interval} must be one of {STATS_INTERVAL}')

diff --git a/tests/integration/test_data_api.py b/tests/integration/test_data_api.py
index c94c6da..b4f4372 100644
--- a/tests/integration/test_data_api.py
+++ b/tests/integration/test_data_api.py
@@ -11,6 +11,7 @@
 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 # License for the specific language governing permissions and limitations under
 # the License.
+from contextlib import nullcontext as does_not_raise
 from http import HTTPStatus
 import json
 import logging
@@ -224,6 +225,149 @@ async def test_create_search_email(search_filter, session):
     assert search == page_response
 
 
+@respx.mock
+@pytest.mark.asyncio
+async def test_update_search_basic(search_filter, session):
+    sid = 'search_id'
+
+    page_response = {
+        "__daily_email_enabled": False,
+        "_links": {
+            "_self": "string", "thumbnail": "string"
+        },
+        "created": "2019-08-24T14:15:22Z",
+        "filter": search_filter,
+        "id": sid,
+        "last_executed": "2019-08-24T14:15:22Z",
+        "name": "test",
+        "updated": "2019-08-24T14:15:22Z"
+    }
+    mock_resp = httpx.Response(HTTPStatus.OK, json=page_response)
+    respx.put(f'{TEST_SEARCHES_URL}/{sid}').return_value = mock_resp
+
+    cl = DataClient(session, base_url=TEST_URL)
+    search = await cl.update_search(sid, 'test', ['PSScene'], search_filter)
+
+    # check that request is correct
+    expected_request = {
+        "item_types": ["PSScene"],
+        "filter": search_filter,
+        "name": "test",
+        "__daily_email_enabled": False
+    }
+    actual_body = json.loads(respx.calls[0].request.content)
+    assert actual_body == expected_request
+
+    # check the response is returned unaltered
+    assert search == page_response
+
+
+@respx.mock
+@pytest.mark.asyncio
+@pytest.mark.parametrize("limit, expected_list_length", [(None, 4), (3, 3)])
+async def test_list_searches_success(limit,
+                                     expected_list_length,
+                                     search_result,
+                                     session):
+    page1_response = {"_links": {}, "searches": [search_result] * 4}
+    route = respx.get(TEST_SEARCHES_URL)
+    route.return_value = httpx.Response(200, json=page1_response)
+
+    cl = DataClient(session, base_url=TEST_URL)
+
+    searches = await cl.list_searches(limit=limit)
+    searches_list_length = len([s async for s in searches])
+    assert searches_list_length == expected_list_length
+
+    assert route.called
+
+
+@respx.mock
+@pytest.mark.asyncio
+@pytest.mark.parametrize(
+    "sort, search_type, expectation",
+    [('DOESNOTEXIST', 'ANY', pytest.raises(exceptions.ClientError)),
+     ('CREATED DESC', 'DOESNOTEXIST', pytest.raises(exceptions.ClientError))])
+async def test_list_searches_args_do_not_match(sort,
+                                               search_type,
+                                               expectation,
+                                               session):
+    route = respx.get(TEST_SEARCHES_URL)
+    route.return_value = httpx.Response(200, json={})
+
+    cl = DataClient(session, base_url=TEST_URL)
+
+    with expectation:
+        await cl.list_searches(sort=sort, search_type=search_type)
+
+    assert not route.called
+
+
+@respx.mock
+@pytest.mark.asyncio
+@pytest.mark.parametrize("retcode, expectation",
+                         [(204, does_not_raise()),
+                          (404, pytest.raises(exceptions.APIError))])
+async def test_delete_search(retcode, expectation, session):
+    sid = 'search_id'
+    mock_resp = httpx.Response(retcode)
+    route = respx.delete(f'{TEST_SEARCHES_URL}/{sid}')
+    route.return_value = mock_resp
+    cl = DataClient(session, base_url=TEST_URL)
+
+    with expectation:
+        await cl.delete_search(sid)
+
+    assert route.called
+
+
+@respx.mock
+@pytest.mark.asyncio
+async def test_run_search_success(item_descriptions, session):
+    sid = 'search_id'
+    route = respx.get(f'{TEST_SEARCHES_URL}/{sid}/results')
+
+    next_page_url = f'{TEST_URL}/blob/?page_marker=IAmATest'
+    item1, item2, item3 = item_descriptions
+    page1_response = {
+        "_links": {
+            "_next": next_page_url
+        }, "features": [item1, item2]
+    }
+
+    route.return_value = httpx.Response(204, json=page1_response)
+
+    page2_response = {"_links": {"_self": next_page_url}, "features": [item3]}
+    mock_resp2 = httpx.Response(HTTPStatus.OK, json=page2_response)
+    respx.get(next_page_url).return_value = mock_resp2
+
+    cl = DataClient(session, base_url=TEST_URL)
+    items = await cl.run_search(sid)
+    items_list = [i async for i in items]
+
+    assert route.called
+
+    # check that all of the items were returned unchanged
+    assert items_list == item_descriptions
+
+
+@respx.mock
+@pytest.mark.asyncio
+async def test_run_search_doesnotexist(session):
+    sid = 'search_id'
+    route = respx.get(f'{TEST_SEARCHES_URL}/{sid}/results')
+    route.return_value = httpx.Response(404)
+
+    cl = DataClient(session, base_url=TEST_URL)
+    with pytest.raises(exceptions.APIError):
+        items = await cl.run_search(sid)
+        # this won't throw the error until the iterator is processed
+        # issue 476
+        [i async for i in items]
+
+    assert route.called
+
+
 @respx.mock
 @pytest.mark.asyncio
 async def test_get_stats_success(search_filter, session):

implement data api search functions
implement the following data api search functions:
* list_searches
* delete_search
* get_search
* update_search
* run_search
tests/integration/test_data_api.py::test_update_search_basic tests/integration/test_data_api.py::test_list_searches_success[None-4] tests/integration/test_data_api.py::test_list_searches_success[3-3] tests/integration/test_data_api.py::test_list_searches_args_do_not_match[DOESNOTEXIST-ANY-expectation0] tests/integration/test_data_api.py::test_list_searches_args_do_not_match[CREATED tests/integration/test_data_api.py::test_delete_search[204-expectation0] tests/integration/test_data_api.py::test_delete_search[404-expectation1] tests/integration/test_data_api.py::test_run_search_success tests/integration/test_data_api.py::test_run_search_doesnotexist
tests/integration/test_data_api.py::test_quick_search_basic tests/integration/test_data_api.py::test_quick_search_sort tests/integration/test_data_api.py::test_quick_search_limit tests/integration/test_data_api.py::test_create_search_basic tests/integration/test_data_api.py::test_create_search_email tests/integration/test_data_api.py::test_get_stats_success tests/integration/test_data_api.py::test_get_stats_invalid_interval