feat: add health check route

letta/schemas/health.py

@@ -0,0 +1,8 @@
+from pydantic import BaseModel
+
+class Health(BaseModel):
+    """
+    Health check response body
+    """
+    version: str
+    status: str

letta/server/rest_api/routers/v1/__init__.py

@@ -4,6 +4,7 @@
 from letta.server.rest_api.routers.v1.llms import router as llm_router
 from letta.server.rest_api.routers.v1.sources import router as sources_router
 from letta.server.rest_api.routers.v1.tools import router as tools_router
+from letta.server.rest_api.routers.v1.health import router as health_router
 
 ROUTERS = [
     tools_router,
@@ -12,4 +13,5 @@
     llm_router,
     blocks_router,
     jobs_router,
+    health_router,
 ]

letta/server/rest_api/routers/v1/health.py

@@ -0,0 +1,21 @@
+from typing import TYPE_CHECKING, List, Optional
+
+from fastapi import APIRouter, Body, Depends, HTTPException, Query
+
+from letta.cli.cli import version
+from letta.schemas.health import Health
+from letta.server.rest_api.utils import get_letta_server
+from letta.server.server import SyncServer
+
+if TYPE_CHECKING:
+    pass
+
+router = APIRouter(prefix="/health", tags=["health"])
+
+# Health check
+@router.get("/", response_model=Health, operation_id="health_check")
+def health_check():
+    return Health(
+        version=version(),
+        status="ok",
+    )