diff --git a/generated_types.json b/generated_types.json
index f1679229..f9d2933c 100644
--- a/generated_types.json
+++ b/generated_types.json
@@ -4537,6 +4537,13 @@
                 ],
                 "additionalProperties": {},
                 "description": "Partial function definition to merge with the function being invoked. Fields are validated against the function type's schema at runtime. For facets: { preprocessor?, prompt?, model? }. For prompts: { model?, ... }."
+              },
+              "endpoint_name": {
+                "type": [
+                  "string",
+                  "null"
+                ],
+                "description": "Name of the AI provider secret to pin this invocation to."
               }
             }
           }
@@ -7059,6 +7066,12 @@
           },
           "position": {
             "type": "string"
+          },
+          "endpoint_name": {
+            "type": [
+              "string",
+              "null"
+            ]
           }
         }
       },
@@ -7076,6 +7089,12 @@
           },
           "position": {
             "type": "string"
+          },
+          "endpoint_name": {
+            "type": [
+              "string",
+              "null"
+            ]
           }
         }
       },
@@ -7757,6 +7776,13 @@
                 }
               }
             }
+          },
+          "endpoint_name": {
+            "type": [
+              "string",
+              "null"
+            ],
+            "description": "Name of the AI provider secret to pin this run to."
           }
         },
         "required": [
diff --git a/py/src/braintrust/_generated_types.py b/py/src/braintrust/_generated_types.py
index 6dcc7a77..d0283207 100644
--- a/py/src/braintrust/_generated_types.py
+++ b/py/src/braintrust/_generated_types.py
@@ -3256,6 +3256,10 @@ class InvokeFunctionInvokeFunction7(TypedDict):
     """
     Partial function definition to merge with the function being invoked. Fields are validated against the function type's schema at runtime. For facets: { preprocessor?, prompt?, model? }. For prompts: { model?, ... }.
     """
+    endpoint_name: NotRequired[str | None]
+    """
+    Name of the AI provider secret to pin this invocation to.
+    """
 
 
 class InvokeFunctionInvokeFunction8(
@@ -3527,12 +3531,14 @@ class PromptOptions(TypedDict):
     model: NotRequired[str | None]
     params: NotRequired[ModelParams | None]
     position: NotRequired[str | None]
+    endpoint_name: NotRequired[str | None]
 
 
 class PromptOptionsNullish(TypedDict):
     model: NotRequired[str | None]
     params: NotRequired[ModelParams | None]
     position: NotRequired[str | None]
+    endpoint_name: NotRequired[str | None]
 
 
 class ResponseFormatResponseFormat1(TypedDict):
@@ -4293,6 +4299,10 @@ class RunEval(TypedDict):
     Optional tags that will be added to the experiment.
     """
     mcp_auth: NotRequired[Mapping[str, RunEvalMcpAuth] | None]
+    endpoint_name: NotRequired[str | None]
+    """
+    Name of the AI provider secret to pin this run to.
+    """
 
 
 FunctionData: TypeAlias = (
diff --git a/py/src/braintrust/generated_types.py b/py/src/braintrust/generated_types.py
index 4ec52af4..d1860551 100644
--- a/py/src/braintrust/generated_types.py
+++ b/py/src/braintrust/generated_types.py
@@ -1,4 +1,4 @@
-"""Auto-generated file (content hash 57c09ca5a2b45493) -- do not modify"""
+"""Auto-generated file (content hash 265d32c75b7526f2) -- do not modify"""
 
 from ._generated_types import (
     Acl,