diff --git a/apps/opik-backend/config.yml b/apps/opik-backend/config.yml
index 6d5660b947..5aaa4ba2db 100644
--- a/apps/opik-backend/config.yml
+++ b/apps/opik-backend/config.yml
@@ -28,7 +28,7 @@ databaseAnalytics:
   username: ${ANALYTICS_DB_USERNAME:-opik}
   password: ${ANALYTICS_DB_PASS:-opik}
   databaseName: ${ANALYTICS_DB_DATABASE_NAME:-opik}
-  queryParameters: ${ANALYTICS_DB_QUERY_PARAMETERS:-health_check_interval=2000&compress=1&auto_discovery=true&failover=3}
+  queryParameters: ${ANALYTICS_DB_QUERY_PARAMETERS:-health_check_interval=2000&compress=1&auto_discovery=true&failover=3&custom_http_params=max_query_size=100000000}
 
 health:
   healthCheckUrlPaths: [ "/health-check" ]
diff --git a/apps/opik-backend/src/test/java/com/comet/opik/api/resources/v1/priv/SpansResourceTest.java b/apps/opik-backend/src/test/java/com/comet/opik/api/resources/v1/priv/SpansResourceTest.java
index 2d5640ad40..217e0dd484 100644
--- a/apps/opik-backend/src/test/java/com/comet/opik/api/resources/v1/priv/SpansResourceTest.java
+++ b/apps/opik-backend/src/test/java/com/comet/opik/api/resources/v1/priv/SpansResourceTest.java
@@ -3143,6 +3143,27 @@ void createAndGetById() {
         getAndAssert(expectedSpan, API_KEY, TEST_WORKSPACE);
     }
 
+    @Test
+    void createAndGet__whenSpanInputIsBig__thenReturnSpan() {
+
+        int size = 1000;
+
+        Map<String, String> jsonMap = IntStream.range(0, size)
+                .mapToObj(i -> Map.entry(RandomStringUtils.randomAlphabetic(10), RandomStringUtils.randomAscii(size)))
+                .collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
+
+        var expectedSpan = podamFactory.manufacturePojo(Span.class).toBuilder()
+                .projectId(null)
+                .parentSpanId(null)
+                .input(JsonUtils.readTree(jsonMap))
+                .output(JsonUtils.readTree(jsonMap))
+                .build();
+
+        createAndAssert(expectedSpan, API_KEY, TEST_WORKSPACE);
+
+        getAndAssert(expectedSpan, API_KEY, TEST_WORKSPACE);
+    }
+
     @Test
     void createOnlyRequiredFieldsAndGetById() {
         var expectedSpan = podamFactory.manufacturePojo(Span.class)
@@ -3568,7 +3589,7 @@ void when__spanDoesNotExist__thenReturnCreateIt() {
             assertThat(actualEntity.metadata()).isEqualTo(spanUpdate.metadata());
             assertThat(actualEntity.tags()).isEqualTo(spanUpdate.tags());
 
-            assertThat(actualEntity.name()).isEqualTo("");
+            assertThat(actualEntity.name()).isEmpty();
             assertThat(actualEntity.startTime()).isEqualTo(Instant.EPOCH);
             assertThat(actualEntity.type()).isNull();
         }
diff --git a/apps/opik-backend/src/test/java/com/comet/opik/api/resources/v1/priv/TracesResourceTest.java b/apps/opik-backend/src/test/java/com/comet/opik/api/resources/v1/priv/TracesResourceTest.java
index 48d12ebc55..23450048d3 100644
--- a/apps/opik-backend/src/test/java/com/comet/opik/api/resources/v1/priv/TracesResourceTest.java
+++ b/apps/opik-backend/src/test/java/com/comet/opik/api/resources/v1/priv/TracesResourceTest.java
@@ -3422,6 +3422,30 @@ void create__whenProjectNameIsNull__thenAcceptAndUseDefaultProject() {
             assertThat(actualEntity.projectId()).isEqualTo(projectId);
         }
 
+        @Test
+        @DisplayName("when trace input is big, then accept and create trace")
+        void createAndGet__whenTraceInputIsBig__thenReturnSpan() {
+
+            int size = 1000;
+
+            Map<String, String> jsonMap = IntStream.range(0, size)
+                    .mapToObj(i -> Map.entry(RandomStringUtils.randomAlphabetic(10), RandomStringUtils.randomAscii(size)))
+                    .collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
+
+            var expectedTrace = factory.manufacturePojo(Trace.class).toBuilder()
+                    .projectId(null)
+                    .input(JsonUtils.readTree(jsonMap))
+                    .output(JsonUtils.readTree(jsonMap))
+                    .feedbackScores(null)
+                    .usage(null)
+                    .build();
+
+            create(expectedTrace, API_KEY, TEST_WORKSPACE);
+
+            UUID projectId = getProjectId(expectedTrace.projectName(), TEST_WORKSPACE, API_KEY);
+            getAndAssert(expectedTrace, projectId, API_KEY, TEST_WORKSPACE);
+        }
+
     }
 
     @Nested
diff --git a/apps/opik-backend/src/test/resources/config-test.yml b/apps/opik-backend/src/test/resources/config-test.yml
index 2346f9f56a..2a372b3000 100644
--- a/apps/opik-backend/src/test/resources/config-test.yml
+++ b/apps/opik-backend/src/test/resources/config-test.yml
@@ -26,7 +26,7 @@ databaseAnalytics:
   username: opik
   password: opik
   databaseName: opik
-  queryParameters: health_check_interval=2000&compress=1&auto_discovery=true&failover=3
+  queryParameters: health_check_interval=2000&compress=1&auto_discovery=true&failover=3&custom_http_params=max_query_size=100000000
 
 health:
   healthCheckUrlPaths: [ "/health-check" ]