diff --git a/mintlify/openapi.yaml b/mintlify/openapi.yaml
index ad5bb63a0..44df06881 100644
--- a/mintlify/openapi.yaml
+++ b/mintlify/openapi.yaml
@@ -12998,14 +12998,13 @@ components:
           description: Error message
         details:
           type: object
-          description: Additional error details. Shape varies by `code`. For field-validation errors on submit endpoints (e.g. `POST /customers`, `PATCH /customers/{id}`), `details.errors[]` enumerates every invalid field so platforms can render form-field-level UX for the entire request in a single round-trip.
+          description: Field-level detail. On field-validation errors from submit endpoints (e.g. `POST /customers`, `PATCH /customers/{id}`), `details.errors[]` enumerates every invalid field so platforms can render form-field-level UX for the entire request in a single round-trip.
           properties:
             errors:
               type: array
               description: One entry per invalid field. Present on field-validation errors from submit endpoints.
               items:
                 $ref: '#/components/schemas/FieldError'
-          additionalProperties: true
     Error501:
       type: object
       required:
@@ -14887,7 +14886,6 @@ components:
               format: date-time
             failedAttempts:
               type: integer
-          additionalProperties: true
     RecordSecurityEventRequest:
       type: object
       description: Records a client-side security event for the customer so Grid can maintain the customer's login-security state (SCA session revocation and failed-login lockout).
diff --git a/openapi.yaml b/openapi.yaml
index ad5bb63a0..44df06881 100644
--- a/openapi.yaml
+++ b/openapi.yaml
@@ -12998,14 +12998,13 @@ components:
           description: Error message
         details:
           type: object
-          description: Additional error details. Shape varies by `code`. For field-validation errors on submit endpoints (e.g. `POST /customers`, `PATCH /customers/{id}`), `details.errors[]` enumerates every invalid field so platforms can render form-field-level UX for the entire request in a single round-trip.
+          description: Field-level detail. On field-validation errors from submit endpoints (e.g. `POST /customers`, `PATCH /customers/{id}`), `details.errors[]` enumerates every invalid field so platforms can render form-field-level UX for the entire request in a single round-trip.
           properties:
             errors:
               type: array
               description: One entry per invalid field. Present on field-validation errors from submit endpoints.
               items:
                 $ref: '#/components/schemas/FieldError'
-          additionalProperties: true
     Error501:
       type: object
       required:
@@ -14887,7 +14886,6 @@ components:
               format: date-time
             failedAttempts:
               type: integer
-          additionalProperties: true
     RecordSecurityEventRequest:
       type: object
       description: Records a client-side security event for the customer so Grid can maintain the customer's login-security state (SCA session revocation and failed-login lockout).
diff --git a/openapi/components/schemas/errors/Error400.yaml b/openapi/components/schemas/errors/Error400.yaml
index d94c1772b..02a743679 100644
--- a/openapi/components/schemas/errors/Error400.yaml
+++ b/openapi/components/schemas/errors/Error400.yaml
@@ -135,10 +135,10 @@ properties:
   details:
     type: object
     description: >-
-      Additional error details. Shape varies by `code`. For field-validation
-      errors on submit endpoints (e.g. `POST /customers`, `PATCH /customers/{id}`),
-      `details.errors[]` enumerates every invalid field so platforms can render
-      form-field-level UX for the entire request in a single round-trip.
+      Field-level detail. On field-validation errors from submit endpoints
+      (e.g. `POST /customers`, `PATCH /customers/{id}`), `details.errors[]`
+      enumerates every invalid field so platforms can render form-field-level
+      UX for the entire request in a single round-trip.
     properties:
       errors:
         type: array
@@ -147,4 +147,3 @@ properties:
           submit endpoints.
         items:
           $ref: ./FieldError.yaml
-    additionalProperties: true
diff --git a/openapi/components/schemas/errors/Error423.yaml b/openapi/components/schemas/errors/Error423.yaml
index 7330ebe68..f77b580ff 100644
--- a/openapi/components/schemas/errors/Error423.yaml
+++ b/openapi/components/schemas/errors/Error423.yaml
@@ -31,4 +31,3 @@ properties:
         format: date-time
       failedAttempts:
         type: integer
-    additionalProperties: true