diff --git a/spec/json/twilio_api_v2010.json b/spec/json/twilio_api_v2010.json
index 073feb48..c92af36e 100644
--- a/spec/json/twilio_api_v2010.json
+++ b/spec/json/twilio_api_v2010.json
@@ -5819,7 +5819,7 @@
           },
           "end_date": {
             "description": "The last date for which usage is included in the UsageRecord",
-            "format": "date-time",
+            "format": "date",
             "nullable": true,
             "type": "string"
           },
@@ -5835,7 +5835,7 @@
           },
           "start_date": {
             "description": "The first date for which usage is included in this UsageRecord",
-            "format": "date-time",
+            "format": "date",
             "nullable": true,
             "type": "string"
           },
@@ -6145,7 +6145,7 @@
           },
           "end_date": {
             "description": "The last date for which usage is included in the UsageRecord",
-            "format": "date-time",
+            "format": "date",
             "nullable": true,
             "type": "string"
           },
@@ -6161,7 +6161,7 @@
           },
           "start_date": {
             "description": "The first date for which usage is included in this UsageRecord",
-            "format": "date-time",
+            "format": "date",
             "nullable": true,
             "type": "string"
           },
@@ -6471,7 +6471,7 @@
           },
           "end_date": {
             "description": "The last date for which usage is included in the UsageRecord",
-            "format": "date-time",
+            "format": "date",
             "nullable": true,
             "type": "string"
           },
@@ -6487,7 +6487,7 @@
           },
           "start_date": {
             "description": "The first date for which usage is included in this UsageRecord",
-            "format": "date-time",
+            "format": "date",
             "nullable": true,
             "type": "string"
           },
@@ -6797,7 +6797,7 @@
           },
           "end_date": {
             "description": "The last date for which usage is included in the UsageRecord",
-            "format": "date-time",
+            "format": "date",
             "nullable": true,
             "type": "string"
           },
@@ -6813,7 +6813,7 @@
           },
           "start_date": {
             "description": "The first date for which usage is included in this UsageRecord",
-            "format": "date-time",
+            "format": "date",
             "nullable": true,
             "type": "string"
           },
@@ -7123,7 +7123,7 @@
           },
           "end_date": {
             "description": "The last date for which usage is included in the UsageRecord",
-            "format": "date-time",
+            "format": "date",
             "nullable": true,
             "type": "string"
           },
@@ -7139,7 +7139,7 @@
           },
           "start_date": {
             "description": "The first date for which usage is included in this UsageRecord",
-            "format": "date-time",
+            "format": "date",
             "nullable": true,
             "type": "string"
           },
@@ -7449,7 +7449,7 @@
           },
           "end_date": {
             "description": "The last date for which usage is included in the UsageRecord",
-            "format": "date-time",
+            "format": "date",
             "nullable": true,
             "type": "string"
           },
@@ -7465,7 +7465,7 @@
           },
           "start_date": {
             "description": "The first date for which usage is included in this UsageRecord",
-            "format": "date-time",
+            "format": "date",
             "nullable": true,
             "type": "string"
           },
@@ -7775,7 +7775,7 @@
           },
           "end_date": {
             "description": "The last date for which usage is included in the UsageRecord",
-            "format": "date-time",
+            "format": "date",
             "nullable": true,
             "type": "string"
           },
@@ -7791,7 +7791,7 @@
           },
           "start_date": {
             "description": "The first date for which usage is included in this UsageRecord",
-            "format": "date-time",
+            "format": "date",
             "nullable": true,
             "type": "string"
           },
@@ -8101,7 +8101,7 @@
           },
           "end_date": {
             "description": "The last date for which usage is included in the UsageRecord",
-            "format": "date-time",
+            "format": "date",
             "nullable": true,
             "type": "string"
           },
@@ -8117,7 +8117,7 @@
           },
           "start_date": {
             "description": "The first date for which usage is included in this UsageRecord",
-            "format": "date-time",
+            "format": "date",
             "nullable": true,
             "type": "string"
           },
@@ -8427,7 +8427,7 @@
           },
           "end_date": {
             "description": "The last date for which usage is included in the UsageRecord",
-            "format": "date-time",
+            "format": "date",
             "nullable": true,
             "type": "string"
           },
@@ -8443,7 +8443,7 @@
           },
           "start_date": {
             "description": "The first date for which usage is included in this UsageRecord",
-            "format": "date-time",
+            "format": "date",
             "nullable": true,
             "type": "string"
           },
@@ -12715,7 +12715,7 @@
                 "properties": {
                   "EndDate": {
                     "description": "Only include feedback given on or before this date. Format is `YYYY-MM-DD` and specified in UTC.",
-                    "format": "date-time",
+                    "format": "date",
                     "type": "string"
                   },
                   "IncludeSubaccounts": {
@@ -12724,7 +12724,7 @@
                   },
                   "StartDate": {
                     "description": "Only include feedback given on or after this date. Format is `YYYY-MM-DD` and specified in UTC.",
-                    "format": "date-time",
+                    "format": "date",
                     "type": "string"
                   },
                   "StatusCallback": {
@@ -13200,7 +13200,7 @@
             "in": "query",
             "name": "MessageDate",
             "schema": {
-              "format": "date-time",
+              "format": "date",
               "type": "string"
             }
           },
@@ -13209,7 +13209,7 @@
             "in": "query",
             "name": "MessageDate<",
             "schema": {
-              "format": "date-time",
+              "format": "date",
               "type": "string"
             }
           },
@@ -13218,7 +13218,7 @@
             "in": "query",
             "name": "MessageDate>",
             "schema": {
-              "format": "date-time",
+              "format": "date",
               "type": "string"
             }
           },
@@ -13691,7 +13691,7 @@
             "in": "query",
             "name": "DateCreated",
             "schema": {
-              "format": "date-time",
+              "format": "date",
               "type": "string"
             }
           },
@@ -13700,7 +13700,7 @@
             "in": "query",
             "name": "DateCreated<",
             "schema": {
-              "format": "date-time",
+              "format": "date",
               "type": "string"
             }
           },
@@ -13709,7 +13709,7 @@
             "in": "query",
             "name": "DateCreated>",
             "schema": {
-              "format": "date-time",
+              "format": "date",
               "type": "string"
             }
           },
@@ -14374,7 +14374,7 @@
             "in": "query",
             "name": "DateCreated",
             "schema": {
-              "format": "date-time",
+              "format": "date",
               "type": "string"
             }
           },
@@ -14383,7 +14383,7 @@
             "in": "query",
             "name": "DateCreated<",
             "schema": {
-              "format": "date-time",
+              "format": "date",
               "type": "string"
             }
           },
@@ -14392,7 +14392,7 @@
             "in": "query",
             "name": "DateCreated>",
             "schema": {
-              "format": "date-time",
+              "format": "date",
               "type": "string"
             }
           },
@@ -14401,7 +14401,7 @@
             "in": "query",
             "name": "DateUpdated",
             "schema": {
-              "format": "date-time",
+              "format": "date",
               "type": "string"
             }
           },
@@ -14410,7 +14410,7 @@
             "in": "query",
             "name": "DateUpdated<",
             "schema": {
-              "format": "date-time",
+              "format": "date",
               "type": "string"
             }
           },
@@ -14419,7 +14419,7 @@
             "in": "query",
             "name": "DateUpdated>",
             "schema": {
-              "format": "date-time",
+              "format": "date",
               "type": "string"
             }
           },
@@ -15251,7 +15251,7 @@
             "in": "query",
             "name": "DateCreated",
             "schema": {
-              "format": "date-time",
+              "format": "date",
               "type": "string"
             }
           },
@@ -15260,7 +15260,7 @@
             "in": "query",
             "name": "DateCreated<",
             "schema": {
-              "format": "date-time",
+              "format": "date",
               "type": "string"
             }
           },
@@ -15269,7 +15269,7 @@
             "in": "query",
             "name": "DateCreated>",
             "schema": {
-              "format": "date-time",
+              "format": "date",
               "type": "string"
             }
           },
@@ -19481,7 +19481,7 @@
             "in": "query",
             "name": "MessageDate",
             "schema": {
-              "format": "date-time",
+              "format": "date",
               "type": "string"
             }
           },
@@ -19490,7 +19490,7 @@
             "in": "query",
             "name": "MessageDate<",
             "schema": {
-              "format": "date-time",
+              "format": "date",
               "type": "string"
             }
           },
@@ -19499,7 +19499,7 @@
             "in": "query",
             "name": "MessageDate>",
             "schema": {
-              "format": "date-time",
+              "format": "date",
               "type": "string"
             }
           },
@@ -26330,7 +26330,7 @@
             "in": "query",
             "name": "StartDate",
             "schema": {
-              "format": "date-time",
+              "format": "date",
               "type": "string"
             }
           },
@@ -26339,7 +26339,7 @@
             "in": "query",
             "name": "EndDate",
             "schema": {
-              "format": "date-time",
+              "format": "date",
               "type": "string"
             }
           },
@@ -26705,7 +26705,7 @@
             "in": "query",
             "name": "StartDate",
             "schema": {
-              "format": "date-time",
+              "format": "date",
               "type": "string"
             }
           },
@@ -26714,7 +26714,7 @@
             "in": "query",
             "name": "EndDate",
             "schema": {
-              "format": "date-time",
+              "format": "date",
               "type": "string"
             }
           },
@@ -27080,7 +27080,7 @@
             "in": "query",
             "name": "StartDate",
             "schema": {
-              "format": "date-time",
+              "format": "date",
               "type": "string"
             }
           },
@@ -27089,7 +27089,7 @@
             "in": "query",
             "name": "EndDate",
             "schema": {
-              "format": "date-time",
+              "format": "date",
               "type": "string"
             }
           },
@@ -27455,7 +27455,7 @@
             "in": "query",
             "name": "StartDate",
             "schema": {
-              "format": "date-time",
+              "format": "date",
               "type": "string"
             }
           },
@@ -27464,7 +27464,7 @@
             "in": "query",
             "name": "EndDate",
             "schema": {
-              "format": "date-time",
+              "format": "date",
               "type": "string"
             }
           },
@@ -27830,7 +27830,7 @@
             "in": "query",
             "name": "StartDate",
             "schema": {
-              "format": "date-time",
+              "format": "date",
               "type": "string"
             }
           },
@@ -27839,7 +27839,7 @@
             "in": "query",
             "name": "EndDate",
             "schema": {
-              "format": "date-time",
+              "format": "date",
               "type": "string"
             }
           },
@@ -28205,7 +28205,7 @@
             "in": "query",
             "name": "StartDate",
             "schema": {
-              "format": "date-time",
+              "format": "date",
               "type": "string"
             }
           },
@@ -28214,7 +28214,7 @@
             "in": "query",
             "name": "EndDate",
             "schema": {
-              "format": "date-time",
+              "format": "date",
               "type": "string"
             }
           },
@@ -28580,7 +28580,7 @@
             "in": "query",
             "name": "StartDate",
             "schema": {
-              "format": "date-time",
+              "format": "date",
               "type": "string"
             }
           },
@@ -28589,7 +28589,7 @@
             "in": "query",
             "name": "EndDate",
             "schema": {
-              "format": "date-time",
+              "format": "date",
               "type": "string"
             }
           },
@@ -28955,7 +28955,7 @@
             "in": "query",
             "name": "StartDate",
             "schema": {
-              "format": "date-time",
+              "format": "date",
               "type": "string"
             }
           },
@@ -28964,7 +28964,7 @@
             "in": "query",
             "name": "EndDate",
             "schema": {
-              "format": "date-time",
+              "format": "date",
               "type": "string"
             }
           },
@@ -29330,7 +29330,7 @@
             "in": "query",
             "name": "StartDate",
             "schema": {
-              "format": "date-time",
+              "format": "date",
               "type": "string"
             }
           },
@@ -29339,7 +29339,7 @@
             "in": "query",
             "name": "EndDate",
             "schema": {
-              "format": "date-time",
+              "format": "date",
               "type": "string"
             }
           },
diff --git a/spec/json/twilio_messaging_v1.json b/spec/json/twilio_messaging_v1.json
index 470c216a..2cb45b9d 100644
--- a/spec/json/twilio_messaging_v1.json
+++ b/spec/json/twilio_messaging_v1.json
@@ -604,7 +604,7 @@
             "in": "query",
             "name": "Date",
             "schema": {
-              "format": "date-time",
+              "format": "date",
               "type": "string"
             }
           }
diff --git a/spec/json/twilio_notify_v1.json b/spec/json/twilio_notify_v1.json
index 80011a8b..14eebd18 100644
--- a/spec/json/twilio_notify_v1.json
+++ b/spec/json/twilio_notify_v1.json
@@ -974,7 +974,7 @@
             "in": "query",
             "name": "StartDate",
             "schema": {
-              "format": "date-time",
+              "format": "date",
               "type": "string"
             }
           },
@@ -983,7 +983,7 @@
             "in": "query",
             "name": "EndDate",
             "schema": {
-              "format": "date-time",
+              "format": "date",
               "type": "string"
             }
           },
diff --git a/spec/yaml/twilio_api_v2010.yaml b/spec/yaml/twilio_api_v2010.yaml
index 6d3644ee..c87881f3 100644
--- a/spec/yaml/twilio_api_v2010.yaml
+++ b/spec/yaml/twilio_api_v2010.yaml
@@ -4910,7 +4910,7 @@ components:
           type: string
         end_date:
           description: The last date for which usage is included in the UsageRecord
-          format: date-time
+          format: date
           nullable: true
           type: string
         price:
@@ -4923,7 +4923,7 @@ components:
           type: string
         start_date:
           description: The first date for which usage is included in this UsageRecord
-          format: date-time
+          format: date
           nullable: true
           type: string
         subresource_uris:
@@ -5218,7 +5218,7 @@ components:
           type: string
         end_date:
           description: The last date for which usage is included in the UsageRecord
-          format: date-time
+          format: date
           nullable: true
           type: string
         price:
@@ -5231,7 +5231,7 @@ components:
           type: string
         start_date:
           description: The first date for which usage is included in this UsageRecord
-          format: date-time
+          format: date
           nullable: true
           type: string
         subresource_uris:
@@ -5526,7 +5526,7 @@ components:
           type: string
         end_date:
           description: The last date for which usage is included in the UsageRecord
-          format: date-time
+          format: date
           nullable: true
           type: string
         price:
@@ -5539,7 +5539,7 @@ components:
           type: string
         start_date:
           description: The first date for which usage is included in this UsageRecord
-          format: date-time
+          format: date
           nullable: true
           type: string
         subresource_uris:
@@ -5834,7 +5834,7 @@ components:
           type: string
         end_date:
           description: The last date for which usage is included in the UsageRecord
-          format: date-time
+          format: date
           nullable: true
           type: string
         price:
@@ -5847,7 +5847,7 @@ components:
           type: string
         start_date:
           description: The first date for which usage is included in this UsageRecord
-          format: date-time
+          format: date
           nullable: true
           type: string
         subresource_uris:
@@ -6142,7 +6142,7 @@ components:
           type: string
         end_date:
           description: The last date for which usage is included in the UsageRecord
-          format: date-time
+          format: date
           nullable: true
           type: string
         price:
@@ -6155,7 +6155,7 @@ components:
           type: string
         start_date:
           description: The first date for which usage is included in this UsageRecord
-          format: date-time
+          format: date
           nullable: true
           type: string
         subresource_uris:
@@ -6450,7 +6450,7 @@ components:
           type: string
         end_date:
           description: The last date for which usage is included in the UsageRecord
-          format: date-time
+          format: date
           nullable: true
           type: string
         price:
@@ -6463,7 +6463,7 @@ components:
           type: string
         start_date:
           description: The first date for which usage is included in this UsageRecord
-          format: date-time
+          format: date
           nullable: true
           type: string
         subresource_uris:
@@ -6758,7 +6758,7 @@ components:
           type: string
         end_date:
           description: The last date for which usage is included in the UsageRecord
-          format: date-time
+          format: date
           nullable: true
           type: string
         price:
@@ -6771,7 +6771,7 @@ components:
           type: string
         start_date:
           description: The first date for which usage is included in this UsageRecord
-          format: date-time
+          format: date
           nullable: true
           type: string
         subresource_uris:
@@ -7066,7 +7066,7 @@ components:
           type: string
         end_date:
           description: The last date for which usage is included in the UsageRecord
-          format: date-time
+          format: date
           nullable: true
           type: string
         price:
@@ -7079,7 +7079,7 @@ components:
           type: string
         start_date:
           description: The first date for which usage is included in this UsageRecord
-          format: date-time
+          format: date
           nullable: true
           type: string
         subresource_uris:
@@ -7374,7 +7374,7 @@ components:
           type: string
         end_date:
           description: The last date for which usage is included in the UsageRecord
-          format: date-time
+          format: date
           nullable: true
           type: string
         price:
@@ -7387,7 +7387,7 @@ components:
           type: string
         start_date:
           description: The first date for which usage is included in this UsageRecord
-          format: date-time
+          format: date
           nullable: true
           type: string
         subresource_uris:
@@ -10801,7 +10801,7 @@ paths:
                 EndDate:
                   description: Only include feedback given on or before this date.
                     Format is `YYYY-MM-DD` and specified in UTC.
-                  format: date-time
+                  format: date
                   type: string
                 IncludeSubaccounts:
                   description: Whether to also include Feedback resources from all
@@ -10812,7 +10812,7 @@ paths:
                 StartDate:
                   description: Only include feedback given on or after this date.
                     Format is `YYYY-MM-DD` and specified in UTC.
-                  format: date-time
+                  format: date
                   type: string
                 StatusCallback:
                   description: The URL that we will request when the feedback summary
@@ -11155,7 +11155,7 @@ paths:
         in: query
         name: MessageDate
         schema:
-          format: date-time
+          format: date
           type: string
       - description: Only show notifications for the specified date, formatted as
           `YYYY-MM-DD`. You can also specify an inequality, such as `<=YYYY-MM-DD`
@@ -11164,7 +11164,7 @@ paths:
         in: query
         name: MessageDate<
         schema:
-          format: date-time
+          format: date
           type: string
       - description: Only show notifications for the specified date, formatted as
           `YYYY-MM-DD`. You can also specify an inequality, such as `<=YYYY-MM-DD`
@@ -11173,7 +11173,7 @@ paths:
         in: query
         name: MessageDate>
         schema:
-          format: date-time
+          format: date
           type: string
       - description: How many resources to return in each list page. The default is
           50, and the maximum is 1000.
@@ -11567,7 +11567,7 @@ paths:
         in: query
         name: DateCreated
         schema:
-          format: date-time
+          format: date
           type: string
       - description: 'The `date_created` value, specified as `YYYY-MM-DD`, of the
           resources to read. You can also specify inequality: `DateCreated<=YYYY-MM-DD`
@@ -11577,7 +11577,7 @@ paths:
         in: query
         name: DateCreated<
         schema:
-          format: date-time
+          format: date
           type: string
       - description: 'The `date_created` value, specified as `YYYY-MM-DD`, of the
           resources to read. You can also specify inequality: `DateCreated<=YYYY-MM-DD`
@@ -11587,7 +11587,7 @@ paths:
         in: query
         name: DateCreated>
         schema:
-          format: date-time
+          format: date
           type: string
       - description: How many resources to return in each list page. The default is
           50, and the maximum is 1000.
@@ -12118,7 +12118,7 @@ paths:
         in: query
         name: DateCreated
         schema:
-          format: date-time
+          format: date
           type: string
       - description: The `date_created` value, specified as `YYYY-MM-DD`, of the resources
           to read. To read conferences that started on or before midnight on a date,
@@ -12127,7 +12127,7 @@ paths:
         in: query
         name: DateCreated<
         schema:
-          format: date-time
+          format: date
           type: string
       - description: The `date_created` value, specified as `YYYY-MM-DD`, of the resources
           to read. To read conferences that started on or before midnight on a date,
@@ -12136,7 +12136,7 @@ paths:
         in: query
         name: DateCreated>
         schema:
-          format: date-time
+          format: date
           type: string
       - description: The `date_updated` value, specified as `YYYY-MM-DD`, of the resources
           to read. To read conferences that were last updated on or before midnight
@@ -12145,7 +12145,7 @@ paths:
         in: query
         name: DateUpdated
         schema:
-          format: date-time
+          format: date
           type: string
       - description: The `date_updated` value, specified as `YYYY-MM-DD`, of the resources
           to read. To read conferences that were last updated on or before midnight
@@ -12154,7 +12154,7 @@ paths:
         in: query
         name: DateUpdated<
         schema:
-          format: date-time
+          format: date
           type: string
       - description: The `date_updated` value, specified as `YYYY-MM-DD`, of the resources
           to read. To read conferences that were last updated on or before midnight
@@ -12163,7 +12163,7 @@ paths:
         in: query
         name: DateUpdated>
         schema:
-          format: date-time
+          format: date
           type: string
       - description: The string that identifies the Conference resources to read.
         in: query
@@ -12896,7 +12896,7 @@ paths:
         in: query
         name: DateCreated
         schema:
-          format: date-time
+          format: date
           type: string
       - description: 'The `date_created` value, specified as `YYYY-MM-DD`, of the
           resources to read. You can also specify inequality: `DateCreated<=YYYY-MM-DD`
@@ -12906,7 +12906,7 @@ paths:
         in: query
         name: DateCreated<
         schema:
-          format: date-time
+          format: date
           type: string
       - description: 'The `date_created` value, specified as `YYYY-MM-DD`, of the
           resources to read. You can also specify inequality: `DateCreated<=YYYY-MM-DD`
@@ -12916,7 +12916,7 @@ paths:
         in: query
         name: DateCreated>
         schema:
-          format: date-time
+          format: date
           type: string
       - description: How many resources to return in each list page. The default is
           50, and the maximum is 1000.
@@ -16275,7 +16275,7 @@ paths:
         in: query
         name: MessageDate
         schema:
-          format: date-time
+          format: date
           type: string
       - description: Only show notifications for the specified date, formatted as
           `YYYY-MM-DD`. You can also specify an inequality, such as `<=YYYY-MM-DD`
@@ -16284,7 +16284,7 @@ paths:
         in: query
         name: MessageDate<
         schema:
-          format: date-time
+          format: date
           type: string
       - description: Only show notifications for the specified date, formatted as
           `YYYY-MM-DD`. You can also specify an inequality, such as `<=YYYY-MM-DD`
@@ -16293,7 +16293,7 @@ paths:
         in: query
         name: MessageDate>
         schema:
-          format: date-time
+          format: date
           type: string
       - description: How many resources to return in each list page. The default is
           50, and the maximum is 1000.
@@ -21242,7 +21242,7 @@ paths:
         in: query
         name: StartDate
         schema:
-          format: date-time
+          format: date
           type: string
       - description: 'Only include usage that occurred on or before this date. Specify
           the date in GMT and format as `YYYY-MM-DD`.  You can also specify offsets
@@ -21251,7 +21251,7 @@ paths:
         in: query
         name: EndDate
         schema:
-          format: date-time
+          format: date
           type: string
       - description: 'Whether to include usage from the master account and all its
           subaccounts. Can be: `true` (the default) to include usage from the master
@@ -21584,7 +21584,7 @@ paths:
         in: query
         name: StartDate
         schema:
-          format: date-time
+          format: date
           type: string
       - description: 'Only include usage that occurred on or before this date. Specify
           the date in GMT and format as `YYYY-MM-DD`.  You can also specify offsets
@@ -21593,7 +21593,7 @@ paths:
         in: query
         name: EndDate
         schema:
-          format: date-time
+          format: date
           type: string
       - description: 'Whether to include usage from the master account and all its
           subaccounts. Can be: `true` (the default) to include usage from the master
@@ -21926,7 +21926,7 @@ paths:
         in: query
         name: StartDate
         schema:
-          format: date-time
+          format: date
           type: string
       - description: 'Only include usage that occurred on or before this date. Specify
           the date in GMT and format as `YYYY-MM-DD`.  You can also specify offsets
@@ -21935,7 +21935,7 @@ paths:
         in: query
         name: EndDate
         schema:
-          format: date-time
+          format: date
           type: string
       - description: 'Whether to include usage from the master account and all its
           subaccounts. Can be: `true` (the default) to include usage from the master
@@ -22268,7 +22268,7 @@ paths:
         in: query
         name: StartDate
         schema:
-          format: date-time
+          format: date
           type: string
       - description: 'Only include usage that occurred on or before this date. Specify
           the date in GMT and format as `YYYY-MM-DD`.  You can also specify offsets
@@ -22277,7 +22277,7 @@ paths:
         in: query
         name: EndDate
         schema:
-          format: date-time
+          format: date
           type: string
       - description: 'Whether to include usage from the master account and all its
           subaccounts. Can be: `true` (the default) to include usage from the master
@@ -22610,7 +22610,7 @@ paths:
         in: query
         name: StartDate
         schema:
-          format: date-time
+          format: date
           type: string
       - description: 'Only include usage that occurred on or before this date. Specify
           the date in GMT and format as `YYYY-MM-DD`.  You can also specify offsets
@@ -22619,7 +22619,7 @@ paths:
         in: query
         name: EndDate
         schema:
-          format: date-time
+          format: date
           type: string
       - description: 'Whether to include usage from the master account and all its
           subaccounts. Can be: `true` (the default) to include usage from the master
@@ -22952,7 +22952,7 @@ paths:
         in: query
         name: StartDate
         schema:
-          format: date-time
+          format: date
           type: string
       - description: 'Only include usage that occurred on or before this date. Specify
           the date in GMT and format as `YYYY-MM-DD`.  You can also specify offsets
@@ -22961,7 +22961,7 @@ paths:
         in: query
         name: EndDate
         schema:
-          format: date-time
+          format: date
           type: string
       - description: 'Whether to include usage from the master account and all its
           subaccounts. Can be: `true` (the default) to include usage from the master
@@ -23294,7 +23294,7 @@ paths:
         in: query
         name: StartDate
         schema:
-          format: date-time
+          format: date
           type: string
       - description: 'Only include usage that occurred on or before this date. Specify
           the date in GMT and format as `YYYY-MM-DD`.  You can also specify offsets
@@ -23303,7 +23303,7 @@ paths:
         in: query
         name: EndDate
         schema:
-          format: date-time
+          format: date
           type: string
       - description: 'Whether to include usage from the master account and all its
           subaccounts. Can be: `true` (the default) to include usage from the master
@@ -23636,7 +23636,7 @@ paths:
         in: query
         name: StartDate
         schema:
-          format: date-time
+          format: date
           type: string
       - description: 'Only include usage that occurred on or before this date. Specify
           the date in GMT and format as `YYYY-MM-DD`.  You can also specify offsets
@@ -23645,7 +23645,7 @@ paths:
         in: query
         name: EndDate
         schema:
-          format: date-time
+          format: date
           type: string
       - description: 'Whether to include usage from the master account and all its
           subaccounts. Can be: `true` (the default) to include usage from the master
@@ -23978,7 +23978,7 @@ paths:
         in: query
         name: StartDate
         schema:
-          format: date-time
+          format: date
           type: string
       - description: 'Only include usage that occurred on or before this date. Specify
           the date in GMT and format as `YYYY-MM-DD`.  You can also specify offsets
@@ -23987,7 +23987,7 @@ paths:
         in: query
         name: EndDate
         schema:
-          format: date-time
+          format: date
           type: string
       - description: 'Whether to include usage from the master account and all its
           subaccounts. Can be: `true` (the default) to include usage from the master
diff --git a/spec/yaml/twilio_messaging_v1.yaml b/spec/yaml/twilio_messaging_v1.yaml
index 0cfd53a5..8d832582 100644
--- a/spec/yaml/twilio_messaging_v1.yaml
+++ b/spec/yaml/twilio_messaging_v1.yaml
@@ -510,7 +510,7 @@ paths:
         in: query
         name: Date
         schema:
-          format: date-time
+          format: date
           type: string
       responses:
         '307':
diff --git a/spec/yaml/twilio_notify_v1.yaml b/spec/yaml/twilio_notify_v1.yaml
index 460b24e3..92607b86 100644
--- a/spec/yaml/twilio_notify_v1.yaml
+++ b/spec/yaml/twilio_notify_v1.yaml
@@ -765,14 +765,14 @@ paths:
         in: query
         name: StartDate
         schema:
-          format: date-time
+          format: date
           type: string
       - description: Only include usage that occurred on or before this date. Specify
           the date in GMT and format as `YYYY-MM-DD`.
         in: query
         name: EndDate
         schema:
-          format: date-time
+          format: date
           type: string
       - description: The [User](https://www.twilio.com/docs/chat/rest/user-resource)'s
           `identity` value of the resources to read.