diff --git a/src/node/api_clients/rest.py b/src/node/api_clients/rest.py
index 0b697ab..604a6ed 100644
--- a/src/node/api_clients/rest.py
+++ b/src/node/api_clients/rest.py
@@ -27,5 +27,5 @@ class REST(BaseClient):
     def send_dispersal_request(self, data):
         return self.rest_call("post", "disperse-data", json.dumps(data))
 
-    def get_range(self, app_id, data_range):
-        return self.rest_call("post", "da/get-range", json.dumps({"app_id": app_id, "data_range": data_range}))
+    def send_get_range(self, query):
+        return self.rest_call("post", "da/get-range", json.dumps(query))
diff --git a/src/node/nomos_node.py b/src/node/nomos_node.py
index bf74887..6a838bc 100644
--- a/src/node/nomos_node.py
+++ b/src/node/nomos_node.py
@@ -148,3 +148,6 @@ class NomosNode:
 
     def send_dispersal_request(self, data):
         return self._api.send_dispersal_request(data)
+
+    def send_get_data_range_request(self, data):
+        return self._api.send_get_range(data)
diff --git a/src/steps/da.py b/src/steps/da.py
index f3e6123..fe9ce18 100644
--- a/src/steps/da.py
+++ b/src/steps/da.py
@@ -3,18 +3,31 @@ import allure
 from src.steps.common import StepsCommon
 
 
-def prepare_dispersal_data(data):
+def prepare_dispersal_request(data, app_id, index):
     data_bytes = data.encode("utf-8")
     dispersal_data = {"data": list(data_bytes), "metadata": {"app_id": [1] + [0] * 31, "index": [0] * 8}}
     return dispersal_data
 
 
+def prepare_get_range_request(app_id, start_index, end_index):
+    query_data = {"app_id": app_id, "range": {"start": start_index, "end": end_index}}
+    return query_data
+
+
 class StepsDataAvailability(StepsCommon):
 
     @allure.step
-    def disperse_data(self, data):
-        dispersal_data = prepare_dispersal_data(data)
+    def disperse_data(self, data, app_id, index):
+        request = prepare_dispersal_request(data)
         try:
-            self.node3.send_dispersal_request(dispersal_data)
+            self.node3.send_dispersal_request(request)
+        except Exception as ex:
+            assert "Bad Request" in str(ex) or "Internal Server Error" in str(ex)
+
+    @allure.step
+    def get_data_range(self, app_id, start, end):
+        query = prepare_get_range_request(app_id, start, end)
+        try:
+            self.node2.send_get_data_range_request(query)
         except Exception as ex:
             assert "Bad Request" in str(ex) or "Internal Server Error" in str(ex)
diff --git a/tests/data_integrity/test_data_integrity.py b/tests/data_integrity/test_data_integrity.py
index 6be91a1..4c2c5f4 100644
--- a/tests/data_integrity/test_data_integrity.py
+++ b/tests/data_integrity/test_data_integrity.py
@@ -13,7 +13,6 @@ class TestDataIntegrity(StepsDataAvailability):
             print(node)
 
     def test_da_sampling_determines_data_presence(self):
-        self.disperse_data(DATA_TO_DISPERSE[0])
-
-        # Get data from range
-        # Compare
+        self.disperse_data(DATA_TO_DISPERSE[0], [0] * 31 + [1], [0] * 8)
+        received_data = self.get_data_range([0] * 31 + [1], [0] * 8, [0] * 7 + [5])
+        assert DATA_TO_DISPERSE[0] == received_data