diff --git a/src/api_clients/rest.py b/src/api_clients/rest.py
index 506dd0c..c231def 100644
--- a/src/api_clients/rest.py
+++ b/src/api_clients/rest.py
@@ -75,7 +75,7 @@ class REST(BaseClient):
         return response.json()
 
     def storage_block(self, query):
-        response = self.rest_call("get", "storage/block", json.dumps(query))
+        response = self.rest_call("post", f"storage/block", json.dumps(query))
         return response.json()
 
     def mempool_add_tx(self, data):
diff --git a/src/steps/storage.py b/src/steps/storage.py
index 879595e..bf81580 100644
--- a/src/steps/storage.py
+++ b/src/steps/storage.py
@@ -1,3 +1,5 @@
+from urllib.parse import quote
+
 import allure
 from tenacity import retry, stop_after_delay, wait_fixed
 
@@ -8,7 +10,7 @@ logger = get_custom_logger(__name__)
 
 
 def prepare_get_storage_block_request(header_id):
-    query_data = {"header_id": header_id}
+    query_data = f"{header_id}"
     return query_data