diff --git a/src/node/nomos_node.py b/src/node/nomos_node.py
index 9a60558..3a5519d 100644
--- a/src/node/nomos_node.py
+++ b/src/node/nomos_node.py
@@ -169,3 +169,6 @@ class NomosNode:
 
     def send_add_share_request(self, data):
         return self._api.da_add_share(data)
+
+    def send_add_blob_info_request(self, data):
+        return self._api.mempool_add_blobinfo(data)
diff --git a/src/steps/mempool.py b/src/steps/mempool.py
new file mode 100644
index 0000000..09c6a25
--- /dev/null
+++ b/src/steps/mempool.py
@@ -0,0 +1,34 @@
+import allure
+from tenacity import retry, stop_after_delay, wait_fixed
+
+from src.libs.custom_logger import get_custom_logger
+from src.steps.common import StepsCommon
+
+logger = get_custom_logger(__name__)
+
+
+def prepare_add_blob_info_request(blob_id, app_id, index):
+    blob_info = {"id": blob_id, "metadata": {"app_id": app_id, "index": index}}
+    return blob_info
+
+
+class StepsMempool(StepsCommon):
+    @allure.step
+    def add_dispersed_blob_info(self, node, blob_id, app_id, index, **kwargs):
+
+        timeout_duration = kwargs.get("timeout_duration", 65)
+        interval = kwargs.get("interval", 0.1)
+
+        data = prepare_add_blob_info_request(blob_id, app_id, index)
+
+        @retry(stop=stop_after_delay(timeout_duration), wait=wait_fixed(interval), reraise=True)
+        def add_blob_info():
+            try:
+                response = node.send_add_blob_info_request(data)
+            except Exception as ex:
+                logger.error(f"Exception while adding blob info to mempool: {ex}")
+                raise
+
+            return response
+
+        return add_blob_info()
diff --git a/tests/protocol_compatibility/test_interaction_data_flow.py b/tests/protocol_compatibility/test_interaction_data_flow.py
index a537a94..b065645 100644
--- a/tests/protocol_compatibility/test_interaction_data_flow.py
+++ b/tests/protocol_compatibility/test_interaction_data_flow.py
@@ -1,9 +1,10 @@
 import pytest
 
-from src.libs.common import to_app_id, to_index, delay
+from src.libs.common import to_app_id, to_index, delay, to_blob_id
 from src.libs.custom_logger import get_custom_logger
 from src.steps.consensus import StepsConsensus
 from src.steps.da import StepsDataAvailability
+from src.steps.mempool import StepsMempool
 from src.steps.storage import StepsStorage
 from src.test_data import DATA_TO_DISPERSE
 
@@ -14,7 +15,7 @@ def extract_da_shares(index_shares):
     return [share for _, shares in index_shares for share in shares if shares]
 
 
-class TestInteractionDataFlow(StepsDataAvailability, StepsConsensus, StepsStorage):
+class TestInteractionDataFlow(StepsDataAvailability, StepsMempool):
     main_nodes = []
 
     @pytest.mark.usefixtures("setup_2_node_cluster")
@@ -38,3 +39,15 @@ class TestInteractionDataFlow(StepsDataAvailability, StepsConsensus, StepsStorag
         delay(5)
 
         assert len(da_shares) < 3, "Modified da_share should not get published"
+
+    @pytest.mark.usefixtures("setup_2_node_cluster")
+    def test_da_mempool_interaction(self):
+        self.disperse_data(DATA_TO_DISPERSE[3], to_app_id(1), to_index(0))
+        self.add_dispersed_blob_info(self.node2, to_blob_id(10), to_app_id(1), to_index(0))
+
+        delay(5)
+
+        index_shares = self.get_data_range(self.node2, to_app_id(1), to_index(0), to_index(5))
+        da_shares = extract_da_shares(index_shares)
+
+        assert len(da_shares) == 2, "Dispersal unaffected by additional blob info added to mempool"