diff --git a/nucliadb/src/nucliadb/search/api/v1/ask.py b/nucliadb/src/nucliadb/search/api/v1/ask.py
index 67b452b0a0..f6f8d08c4b 100644
--- a/nucliadb/src/nucliadb/search/api/v1/ask.py
+++ b/nucliadb/src/nucliadb/search/api/v1/ask.py
@@ -26,6 +26,7 @@
 from nucliadb.models.responses import HTTPClientError
 from nucliadb.search.api.v1.router import KB_PREFIX, api
 from nucliadb.search.search.chat.ask import AskResult, ask, handled_ask_exceptions
+from nucliadb.search.search.utils import maybe_log_request_payload
 from nucliadb_models.resource import NucliaDBRoles
 from nucliadb_models.search import (
     AskRequest,
@@ -74,6 +75,7 @@ async def create_ask_response(
     x_synchronous: bool,
     resource: Optional[str] = None,
 ) -> Response:
+    maybe_log_request_payload(kbid, "/ask", ask_request)
     ask_request.max_tokens = parse_max_tokens(ask_request.max_tokens)
     ask_result: AskResult = await ask(
         kbid=kbid,
diff --git a/nucliadb/src/nucliadb/search/api/v1/find.py b/nucliadb/src/nucliadb/search/api/v1/find.py
index f61a1eb9d7..2cac1a6d9d 100644
--- a/nucliadb/src/nucliadb/search/api/v1/find.py
+++ b/nucliadb/src/nucliadb/search/api/v1/find.py
@@ -32,7 +32,7 @@
 from nucliadb.search.api.v1.utils import fastapi_query
 from nucliadb.search.search.exceptions import InvalidQueryError
 from nucliadb.search.search.find import find
-from nucliadb.search.search.utils import min_score_from_query_params
+from nucliadb.search.search.utils import maybe_log_request_payload, min_score_from_query_params
 from nucliadb_models.common import FieldTypeName
 from nucliadb_models.resource import ExtractedDataTypeName, NucliaDBRoles
 from nucliadb_models.search import (
@@ -191,6 +191,7 @@ async def _find_endpoint(
     x_forwarded_for: str,
 ) -> Union[KnowledgeboxFindResults, HTTPClientError]:
     try:
+        maybe_log_request_payload(kbid, "/find", item)
         results, incomplete, _ = await find(kbid, item, x_ndb_client, x_nucliadb_user, x_forwarded_for)
         response.status_code = 206 if incomplete else 200
         return results
diff --git a/nucliadb/src/nucliadb/search/api/v1/search.py b/nucliadb/src/nucliadb/search/api/v1/search.py
index b432256acf..ebd27a5665 100644
--- a/nucliadb/src/nucliadb/search/api/v1/search.py
+++ b/nucliadb/src/nucliadb/search/api/v1/search.py
@@ -37,6 +37,7 @@
 from nucliadb.search.search.pgcatalog import pgcatalog_enabled, pgcatalog_search
 from nucliadb.search.search.query import QueryParser
 from nucliadb.search.search.utils import (
+    maybe_log_request_payload,
     min_score_from_payload,
     min_score_from_query_params,
     should_disable_vector_search,
@@ -280,6 +281,7 @@ async def catalog(
     returns bm25 results on titles and it does not support vector search.
     It is useful for listing resources in a knowledge box.
     """
+    maybe_log_request_payload(kbid, "/catalog", item)
     start_time = time()
     try:
         sort = item.sort
diff --git a/nucliadb/src/nucliadb/search/search/utils.py b/nucliadb/src/nucliadb/search/search/utils.py
index 539b1e0e5f..22d71e3d33 100644
--- a/nucliadb/src/nucliadb/search/search/utils.py
+++ b/nucliadb/src/nucliadb/search/search/utils.py
@@ -17,9 +17,16 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
 #
+import logging
 from typing import Optional, Union
 
+from pydantic import BaseModel
+
 from nucliadb_models.search import BaseSearchRequest, MinScore
+from nucliadb_utils import const
+from nucliadb_utils.utilities import has_feature
+
+logger = logging.getLogger(__name__)
 
 
 def is_empty_query(request: BaseSearchRequest) -> bool:
@@ -70,3 +77,11 @@ def min_score_from_payload(min_score: Optional[Union[float, MinScore]]) -> MinSc
     elif isinstance(min_score, float):
         return MinScore(bm25=0, semantic=min_score)
     return min_score
+
+
+def maybe_log_request_payload(kbid: str, endpoint: str, item: BaseModel):
+    if has_feature(const.Features.LOG_REQUEST_PAYLOADS, context={"kbid": kbid}, default=False):
+        logger.info(
+            "Request payload",
+            extra={"kbid": kbid, "endpoint": endpoint, "payload": item.model_dump_json()},
+        )
diff --git a/nucliadb/tests/search/unit/search/search/test_utils.py b/nucliadb/tests/search/unit/search/search/test_utils.py
index 9c721ebc72..747893146d 100644
--- a/nucliadb/tests/search/unit/search/search/test_utils.py
+++ b/nucliadb/tests/search/unit/search/search/test_utils.py
@@ -17,12 +17,15 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
 #
+import unittest
+
 import pytest
 
 from nucliadb.search.search.utils import (
     has_user_vectors,
     is_empty_query,
     is_exact_match_only_query,
+    maybe_log_request_payload,
     should_disable_vector_search,
 )
 from nucliadb_models.search import SearchRequest
@@ -80,3 +83,24 @@ def test_has_user_vectors(item, has_vectors):
 )
 def test_should_disable_vectors(item, disable_vectors):
     assert should_disable_vector_search(item) is disable_vectors
+
+
+def test_maybe_log_request_payload():
+    with unittest.mock.patch("nucliadb.search.search.utils.logger") as mock_logger:
+        with unittest.mock.patch("nucliadb.search.search.utils.has_feature") as mock_feature:
+            mock_feature.return_value = True
+            maybe_log_request_payload(
+                "kbid",
+                "/endpoint",
+                SearchRequest(query="query", vector=[1.0, 2.0]),
+            )
+            assert mock_logger.info.call_count == 1
+
+            mock_feature.return_value = False
+
+            maybe_log_request_payload(
+                "kbid",
+                "/endpoint",
+                SearchRequest(query="query", vector=[1.0, 2.0]),
+            )
+            assert mock_logger.info.call_count == 1
diff --git a/nucliadb_utils/src/nucliadb_utils/const.py b/nucliadb_utils/src/nucliadb_utils/const.py
index e9a4a5d5ee..c9178cdd4e 100644
--- a/nucliadb_utils/src/nucliadb_utils/const.py
+++ b/nucliadb_utils/src/nucliadb_utils/const.py
@@ -85,3 +85,4 @@ class Features:
     SKIP_EXTERNAL_INDEX = "nucliadb_skip_external_index"
     NATS_SYNC_ACK = "nucliadb_nats_sync_ack"
     DEPRECATED_CHAT_ENABLED = "nucliadb_deprecated_chat_enabled"
+    LOG_REQUEST_PAYLOADS = "nucliadb_log_request_payloads"
diff --git a/nucliadb_utils/src/nucliadb_utils/featureflagging.py b/nucliadb_utils/src/nucliadb_utils/featureflagging.py
index 489ae7d4c1..a366b68b90 100644
--- a/nucliadb_utils/src/nucliadb_utils/featureflagging.py
+++ b/nucliadb_utils/src/nucliadb_utils/featureflagging.py
@@ -85,6 +85,14 @@ class Settings(pydantic_settings.BaseSettings):
         "rollout": 0,
         "variants": {"environment": ["local"]},
     },
+    const.Features.LOG_REQUEST_PAYLOADS: {
+        "rollout": 0,
+        "variants": {"environment": ["none"]},
+    },
+    const.Features.DEPRECATED_CHAT_ENABLED: {
+        "rollout": 0,
+        "variants": {"environment": ["none"]},
+    },
 }