diff --git a/core/lib/opensearch.py b/core/lib/opensearch.py
new file mode 100644
index 0000000..d72bd89
--- /dev/null
+++ b/core/lib/opensearch.py
@@ -0,0 +1,39 @@
+from django.conf import settings
+from opensearchpy import OpenSearch
+
+
+def initialise_opensearch():
+    auth = (settings.OPENSEARCH_USERNAME, settings.OPENSEARCH_PASSWORD)
+    client = OpenSearch(
+        hosts=[{"host": settings.OPENSEARCH_URL,
+            "port": settings.OPENSEARCH_PORT}],
+        http_compress=False,  # enables gzip compression for request bodies
+        http_auth=auth,
+        # client_cert = client_cert_path,
+        # client_key = client_key_path,
+        use_ssl=settings.OPENSEARCH_TLS,
+        verify_certs=False,
+        ssl_assert_hostname=False,
+        ssl_show_warn=False,
+        # a_certs=ca_certs_path,
+    )
+    return client
+
+
+def construct_query(query):
+    query = {
+        "size": 5,
+        "query": {
+            "multi_match": {
+                "query": query,
+                "fields": settings.OPENSEARCH_MAIN_SEARCH_FIELDS,
+            }
+        },
+    }
+    return query
+
+
+def run_main_query(client, query):
+    search_query = construct_query(query)
+    response = client.search(body=search_query, index=settings.OPENSEARCH_INDEX_MAIN)
+    return response