diff --git a/libs/labelbox/src/labelbox/__init__.py b/libs/labelbox/src/labelbox/__init__.py
index 0979d1590..8eb450219 100644
--- a/libs/labelbox/src/labelbox/__init__.py
+++ b/libs/labelbox/src/labelbox/__init__.py
@@ -22,6 +22,13 @@
 )
 from labelbox.schema.dataset import Dataset
 from labelbox.schema.enums import AnnotationImportState
+from labelbox.schema.external_metrics import (
+    AutoQaStatus,
+    ExternalMetricsEntry,
+    ExternalMetricsResult,
+    Performance,
+    SubmittedBy,
+)
 from labelbox.schema.export_task import (
     BufferedJsonConverterOutput,
     ExportTask,
diff --git a/libs/labelbox/src/labelbox/schema/external_metrics.py b/libs/labelbox/src/labelbox/schema/external_metrics.py
new file mode 100644
index 000000000..5b8b16660
--- /dev/null
+++ b/libs/labelbox/src/labelbox/schema/external_metrics.py
@@ -0,0 +1,65 @@
+from enum import Enum
+from typing import Any, Dict, List, Optional
+
+from pydantic import BaseModel
+
+
+class AutoQaStatus(str, Enum):
+    Approve = "Approve"
+    Reject = "Reject"
+    Neutral = "Neutral"
+
+
+class SubmittedBy(BaseModel):
+    email: str
+    discord_id: Optional[str] = None
+
+
+class Performance(BaseModel):
+    auto_qa_status: AutoQaStatus
+    auto_qa_score: Optional[float] = None
+    auto_qa_feedback: Optional[str] = None
+    time_to_completion: Optional[float] = None
+
+
+class ExternalMetricsEntry(BaseModel):
+    task_id: str
+    submitted_by: SubmittedBy
+    performance: Performance
+    metadata: Optional[Dict[str, Any]] = None
+    submitted_on: Optional[str] = None
+
+
+class ExternalMetricsResult(BaseModel):
+    task_id: str
+    data_row_id: str
+    label_id: str
+
+
+def _to_gql_input(entry: ExternalMetricsEntry) -> Dict[str, Any]:
+    """Convert an ExternalMetricsEntry to a camelCase dict matching the GQL schema."""
+    submitted_by: Dict[str, Any] = {"email": entry.submitted_by.email}
+    if entry.submitted_by.discord_id is not None:
+        submitted_by["discordId"] = entry.submitted_by.discord_id
+
+    performance: Dict[str, Any] = {
+        "autoQaStatus": entry.performance.auto_qa_status.value,
+    }
+    if entry.performance.auto_qa_score is not None:
+        performance["autoQaScore"] = entry.performance.auto_qa_score
+    if entry.performance.auto_qa_feedback is not None:
+        performance["autoQaFeedback"] = entry.performance.auto_qa_feedback
+    if entry.performance.time_to_completion is not None:
+        performance["timeToCompletion"] = entry.performance.time_to_completion
+
+    result: Dict[str, Any] = {
+        "taskId": entry.task_id,
+        "submittedBy": submitted_by,
+        "performance": performance,
+    }
+    if entry.metadata is not None:
+        result["metadata"] = entry.metadata
+    if entry.submitted_on is not None:
+        result["submittedOn"] = entry.submitted_on
+
+    return result
diff --git a/libs/labelbox/src/labelbox/schema/project.py b/libs/labelbox/src/labelbox/schema/project.py
index 206d3c43d..c455001ea 100644
--- a/libs/labelbox/src/labelbox/schema/project.py
+++ b/libs/labelbox/src/labelbox/schema/project.py
@@ -37,6 +37,11 @@
     ProjectExportFilters,
     build_filters,
 )
+from labelbox.schema.external_metrics import (
+    ExternalMetricsEntry,
+    ExternalMetricsResult,
+    _to_gql_input,
+)
 from labelbox.schema.export_params import ProjectExportParams
 from labelbox.schema.export_task import ExportTask
 from labelbox.schema.identifiable import DataRowIdentifier
@@ -1001,6 +1006,47 @@ def create_batches(
 
         return CreateBatchesTask(self.client, self.uid, batch_ids, task_ids)
 
+    def submit_external_metrics(
+        self,
+        entries: List[ExternalMetricsEntry],
+    ) -> List[ExternalMetricsResult]:
+        """Submits external QA metrics for tasks in this project.
+
+        Args:
+            entries: A list of ExternalMetricsEntry objects containing task metrics.
+
+        Returns:
+            A list of ExternalMetricsResult objects with task, data row, and label IDs.
+        """
+        mutation_str = """mutation submitExternalMetricsPyApi($input: SubmitExternalMetricsInput!) {
+            submitExternalMetrics(input: $input) {
+                results {
+                    taskId
+                    dataRowId
+                    labelId
+                }
+            }
+        }"""
+
+        params = {
+            "input": {
+                "projectId": self.uid,
+                "entries": [_to_gql_input(e) for e in entries],
+            }
+        }
+
+        response = self.client.execute(mutation_str, params)
+        results = response["submitExternalMetrics"]["results"]
+
+        return [
+            ExternalMetricsResult(
+                task_id=r["taskId"],
+                data_row_id=r["dataRowId"],
+                label_id=r["labelId"],
+            )
+            for r in results
+        ]
+
     def create_batches_from_dataset(
         self,
         name_prefix: str,