feat: batch block creation [PRO-1422] (#5050)

feat: batch block creation

Co-authored-by: Shubham Naik <shub@memgpt.ai>

fern/openapi-overrides.yml

@@ -1127,6 +1127,9 @@ paths:
   /v1/_internal_templates/blocks:
     post:
       x-fern-ignore: true
+  /v1/_internal_templates/blocks/batch:
+    post:
+      x-fern-ignore: true
   /v1/projects:
     get:
       x-fern-sdk-group-name:

fern/openapi.json

@@ -8026,6 +8026,55 @@
         }
       }
     },
+    "/v1/_internal_templates/blocks/batch": {
+      "post": {
+        "tags": ["_internal_templates"],
+        "summary": "Create Blocks Batch",
+        "description": "Create multiple blocks with template-related fields.",
+        "operationId": "create_internal_template_blocks_batch",
+        "parameters": [],
+        "requestBody": {
+          "required": true,
+          "content": {
+            "application/json": {
+              "schema": {
+                "type": "array",
+                "items": {
+                  "$ref": "#/components/schemas/InternalTemplateBlockCreate"
+                },
+                "title": "Blocks"
+              }
+            }
+          }
+        },
+        "responses": {
+          "200": {
+            "description": "Successful Response",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "type": "array",
+                  "items": {
+                    "$ref": "#/components/schemas/Block"
+                  },
+                  "title": "Response Create Internal Template Blocks Batch"
+                }
+              }
+            }
+          },
+          "422": {
+            "description": "Validation Error",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/HTTPValidationError"
+                }
+              }
+            }
+          }
+        }
+      }
+    },
     "/v1/_internal_templates/deployment/{deployment_id}": {
       "get": {
         "tags": ["_internal_templates"],

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

@@ -61,6 +61,27 @@ async def create_block(
         raise HTTPException(status_code=500, detail=str(e))
 
 
+@router.post("/blocks/batch", response_model=List[Block], operation_id="create_internal_template_blocks_batch")
+async def create_blocks_batch(
+    blocks: List[InternalTemplateBlockCreate] = Body(...),
+    server: "SyncServer" = Depends(get_letta_server),
+    headers: HeaderParams = Depends(get_headers),
+):
+    """
+    Create multiple blocks with template-related fields.
+    """
+    try:
+        actor = await server.user_manager.get_actor_or_default_async(actor_id=headers.actor_id)
+        created_blocks = []
+        for block in blocks:
+            block_obj = Block(**block.model_dump())
+            created_block = await server.block_manager.create_or_update_block_async(block_obj, actor=actor)
+            created_blocks.append(created_block)
+        return created_blocks
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=str(e))
+
+
 class DeploymentEntity(BaseModel):
     """A deployment entity."""