diff --git a/.stats.yml b/.stats.yml
index 62a18d0f9d..b3c2fa72c4 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,2 +1,2 @@
 configured_endpoints: 1321
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/cloudflare%2Fcloudflare-7080386fb1d04dafc80523803a44e41bab56e2907c13694ced938d02a3abb9d5.yml
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/cloudflare%2Fcloudflare-a18a8d7f1f80a39beb83a6541eb29dea4a69df37444aeb85493c94256c11d3a6.yml
diff --git a/src/resources/zero-trust/dex/colos.ts b/src/resources/zero-trust/dex/colos.ts
index fc346633b7..6b3118b3c4 100644
--- a/src/resources/zero-trust/dex/colos.ts
+++ b/src/resources/zero-trust/dex/colos.ts
@@ -34,14 +34,14 @@ export interface ColoListParams {
   account_id: string;
 
   /**
-   * Query param: Start time for connection period in RFC3339 (ISO 8601) format.
+   * Query param: End time for connection period in RFC3339 (ISO 8601) format.
    */
-  from: string;
+  timeEnd: string;
 
   /**
-   * Query param: End time for connection period in RFC3339 (ISO 8601) format.
+   * Query param: Start time for connection period in RFC3339 (ISO 8601) format.
    */
-  to: string;
+  timeStart: string;
 
   /**
    * Query param: Type of usage that colos should be sorted by. If unspecified,
diff --git a/src/resources/zero-trust/dex/fleet-status/devices.ts b/src/resources/zero-trust/dex/fleet-status/devices.ts
index 56673bb399..c00efc5891 100644
--- a/src/resources/zero-trust/dex/fleet-status/devices.ts
+++ b/src/resources/zero-trust/dex/fleet-status/devices.ts
@@ -70,21 +70,12 @@ export interface DeviceListParams extends V4PagePaginationArrayParams {
   /**
    * Query param: Timestamp in ISO format
    */
-  from: string;
-
-  /**
-   * Query param: Source:
-   *
-   * - `hourly` - device details aggregated hourly, up to 7 days prior
-   * - `last_seen` - device details, up to 24 hours prior
-   * - `raw` - device details, up to 7 days prior
-   */
-  source: 'last_seen' | 'hourly' | 'raw';
+  time_end: string;
 
   /**
    * Query param: Timestamp in ISO format
    */
-  to: string;
+  time_start: string;
 
   /**
    * Query param: Cloudflare colo
diff --git a/src/resources/zero-trust/dex/fleet-status/fleet-status.ts b/src/resources/zero-trust/dex/fleet-status/fleet-status.ts
index 375c6dad38..e97748168c 100644
--- a/src/resources/zero-trust/dex/fleet-status/fleet-status.ts
+++ b/src/resources/zero-trust/dex/fleet-status/fleet-status.ts
@@ -90,12 +90,12 @@ export interface FleetStatusOverTimeParams {
   /**
    * Query param: Timestamp in ISO format
    */
-  from: string;
+  time_end: string;
 
   /**
    * Query param: Timestamp in ISO format
    */
-  to: string;
+  time_start: string;
 
   /**
    * Query param: Cloudflare colo
diff --git a/src/resources/zero-trust/dex/http-tests/http-tests.ts b/src/resources/zero-trust/dex/http-tests/http-tests.ts
index 67896668ab..a13d165644 100644
--- a/src/resources/zero-trust/dex/http-tests/http-tests.ts
+++ b/src/resources/zero-trust/dex/http-tests/http-tests.ts
@@ -186,11 +186,6 @@ export interface HTTPTestGetParams {
    */
   account_id: string;
 
-  /**
-   * Query param: Start time for aggregate metrics in ISO ms
-   */
-  from: string;
-
   /**
    * Query param: Time interval for aggregate time slots.
    */
@@ -199,7 +194,12 @@ export interface HTTPTestGetParams {
   /**
    * Query param: End time for aggregate metrics in ISO ms
    */
-  to: string;
+  timeEnd: string;
+
+  /**
+   * Query param: Start time for aggregate metrics in ISO ms
+   */
+  timeStart: string;
 
   /**
    * Query param: Optionally filter result stats to a Cloudflare colo. Cannot be used
diff --git a/src/resources/zero-trust/dex/http-tests/percentiles.ts b/src/resources/zero-trust/dex/http-tests/percentiles.ts
index 17da53d347..338c444690 100644
--- a/src/resources/zero-trust/dex/http-tests/percentiles.ts
+++ b/src/resources/zero-trust/dex/http-tests/percentiles.ts
@@ -67,14 +67,14 @@ export interface PercentileGetParams {
   account_id: string;
 
   /**
-   * Query param: Start time for aggregate metrics in ISO format
+   * Query param: End time for aggregate metrics in ISO format
    */
-  from: string;
+  timeEnd: string;
 
   /**
-   * Query param: End time for aggregate metrics in ISO format
+   * Query param: Start time for aggregate metrics in ISO format
    */
-  to: string;
+  timeStart: string;
 
   /**
    * Query param: Optionally filter result stats to a Cloudflare colo. Cannot be used
diff --git a/src/resources/zero-trust/dex/traceroute-test-results/network-path.ts b/src/resources/zero-trust/dex/traceroute-test-results/network-path.ts
index 8b9c96a598..556051e047 100644
--- a/src/resources/zero-trust/dex/traceroute-test-results/network-path.ts
+++ b/src/resources/zero-trust/dex/traceroute-test-results/network-path.ts
@@ -35,6 +35,11 @@ export interface NetworkPathGetResponse {
    */
   resultId: string;
 
+  /**
+   * date time of this traceroute test
+   */
+  time_start: string;
+
   /**
    * name of the device associated with this network path response
    */
diff --git a/src/resources/zero-trust/dex/traceroute-tests.ts b/src/resources/zero-trust/dex/traceroute-tests.ts
index a8c705c63c..bc48c0494e 100644
--- a/src/resources/zero-trust/dex/traceroute-tests.ts
+++ b/src/resources/zero-trust/dex/traceroute-tests.ts
@@ -248,11 +248,6 @@ export interface TracerouteTestGetParams {
    */
   account_id: string;
 
-  /**
-   * Query param: Start time for aggregate metrics in ISO ms
-   */
-  from: string;
-
   /**
    * Query param: Time interval for aggregate time slots.
    */
@@ -261,7 +256,12 @@ export interface TracerouteTestGetParams {
   /**
    * Query param: End time for aggregate metrics in ISO ms
    */
-  to: string;
+  timeEnd: string;
+
+  /**
+   * Query param: Start time for aggregate metrics in ISO ms
+   */
+  timeStart: string;
 
   /**
    * Query param: Optionally filter result stats to a Cloudflare colo. Cannot be used
@@ -287,11 +287,6 @@ export interface TracerouteTestNetworkPathParams {
    */
   deviceId: string;
 
-  /**
-   * Query param: Start time for aggregate metrics in ISO ms
-   */
-  from: string;
-
   /**
    * Query param: Time interval for aggregate time slots.
    */
@@ -300,7 +295,12 @@ export interface TracerouteTestNetworkPathParams {
   /**
    * Query param: End time for aggregate metrics in ISO ms
    */
-  to: string;
+  timeEnd: string;
+
+  /**
+   * Query param: Start time for aggregate metrics in ISO ms
+   */
+  timeStart: string;
 }
 
 export interface TracerouteTestPercentilesParams {
@@ -310,14 +310,14 @@ export interface TracerouteTestPercentilesParams {
   account_id: string;
 
   /**
-   * Query param: Start time for aggregate metrics in ISO format
+   * Query param: End time for aggregate metrics in ISO format
    */
-  from: string;
+  timeEnd: string;
 
   /**
-   * Query param: End time for aggregate metrics in ISO format
+   * Query param: Start time for aggregate metrics in ISO format
    */
-  to: string;
+  timeStart: string;
 
   /**
    * Query param: Optionally filter result stats to a Cloudflare colo. Cannot be used
diff --git a/tests/api-resources/zero-trust/dex/colos.test.ts b/tests/api-resources/zero-trust/dex/colos.test.ts
index bb9a5e195f..a581c19e97 100644
--- a/tests/api-resources/zero-trust/dex/colos.test.ts
+++ b/tests/api-resources/zero-trust/dex/colos.test.ts
@@ -13,8 +13,8 @@ describe('resource colos', () => {
   test('list: only required params', async () => {
     const responsePromise = cloudflare.zeroTrust.dex.colos.list({
       account_id: '01a7362d577a6c3019a474fd6f485823',
-      from: '2023-08-20T20:45:00Z',
-      to: '2023-08-24T20:45:00Z',
+      timeEnd: '2023-08-24T20:45:00Z',
+      timeStart: '2023-08-20T20:45:00Z',
     });
     const rawResponse = await responsePromise.asResponse();
     expect(rawResponse).toBeInstanceOf(Response);
@@ -28,8 +28,8 @@ describe('resource colos', () => {
   test('list: required and optional params', async () => {
     const response = await cloudflare.zeroTrust.dex.colos.list({
       account_id: '01a7362d577a6c3019a474fd6f485823',
-      from: '2023-08-20T20:45:00Z',
-      to: '2023-08-24T20:45:00Z',
+      timeEnd: '2023-08-24T20:45:00Z',
+      timeStart: '2023-08-20T20:45:00Z',
       sortBy: 'fleet-status-usage',
     });
   });
diff --git a/tests/api-resources/zero-trust/dex/fleet-status/devices.test.ts b/tests/api-resources/zero-trust/dex/fleet-status/devices.test.ts
index 56c104301e..ccde92e202 100644
--- a/tests/api-resources/zero-trust/dex/fleet-status/devices.test.ts
+++ b/tests/api-resources/zero-trust/dex/fleet-status/devices.test.ts
@@ -14,11 +14,10 @@ describe('resource devices', () => {
   test.skip('list: only required params', async () => {
     const responsePromise = cloudflare.zeroTrust.dex.fleetStatus.devices.list({
       account_id: '01a7362d577a6c3019a474fd6f485823',
-      from: '2023-10-11T00:00:00Z',
       page: 1,
       per_page: 10,
-      source: 'last_seen',
-      to: '2023-10-11T00:00:00Z',
+      time_end: '2023-10-11T00:00:00Z',
+      time_start: '2023-10-11T00:00:00Z',
     });
     const rawResponse = await responsePromise.asResponse();
     expect(rawResponse).toBeInstanceOf(Response);
@@ -33,11 +32,10 @@ describe('resource devices', () => {
   test.skip('list: required and optional params', async () => {
     const response = await cloudflare.zeroTrust.dex.fleetStatus.devices.list({
       account_id: '01a7362d577a6c3019a474fd6f485823',
-      from: '2023-10-11T00:00:00Z',
       page: 1,
       per_page: 10,
-      source: 'last_seen',
-      to: '2023-10-11T00:00:00Z',
+      time_end: '2023-10-11T00:00:00Z',
+      time_start: '2023-10-11T00:00:00Z',
       colo: 'SJC',
       device_id: 'cb49c27f-7f97-49c5-b6f3-f7c01ead0fd7',
       mode: 'proxy',
diff --git a/tests/api-resources/zero-trust/dex/fleet-status/fleet-status.test.ts b/tests/api-resources/zero-trust/dex/fleet-status/fleet-status.test.ts
index 6dd8dbd1ee..c2f6a67ffb 100644
--- a/tests/api-resources/zero-trust/dex/fleet-status/fleet-status.test.ts
+++ b/tests/api-resources/zero-trust/dex/fleet-status/fleet-status.test.ts
@@ -34,8 +34,8 @@ describe('resource fleetStatus', () => {
   test('overTime: only required params', async () => {
     const responsePromise = cloudflare.zeroTrust.dex.fleetStatus.overTime({
       account_id: '01a7362d577a6c3019a474fd6f485823',
-      from: '2023-10-11T00:00:00Z',
-      to: '2023-10-11T00:00:00Z',
+      time_end: '2023-10-11T00:00:00Z',
+      time_start: '2023-10-11T00:00:00Z',
     });
     const rawResponse = await responsePromise.asResponse();
     expect(rawResponse).toBeInstanceOf(Response);
@@ -49,8 +49,8 @@ describe('resource fleetStatus', () => {
   test('overTime: required and optional params', async () => {
     const response = await cloudflare.zeroTrust.dex.fleetStatus.overTime({
       account_id: '01a7362d577a6c3019a474fd6f485823',
-      from: '2023-10-11T00:00:00Z',
-      to: '2023-10-11T00:00:00Z',
+      time_end: '2023-10-11T00:00:00Z',
+      time_start: '2023-10-11T00:00:00Z',
       colo: 'SJC',
       device_id: 'cb49c27f-7f97-49c5-b6f3-f7c01ead0fd7',
     });
diff --git a/tests/api-resources/zero-trust/dex/http-tests/http-tests.test.ts b/tests/api-resources/zero-trust/dex/http-tests/http-tests.test.ts
index 97c2cf14b6..1c99e460e3 100644
--- a/tests/api-resources/zero-trust/dex/http-tests/http-tests.test.ts
+++ b/tests/api-resources/zero-trust/dex/http-tests/http-tests.test.ts
@@ -13,9 +13,9 @@ describe('resource httpTests', () => {
   test('get: only required params', async () => {
     const responsePromise = cloudflare.zeroTrust.dex.httpTests.get('f174e90a-fafe-4643-bbbc-4a0ed4fc8415', {
       account_id: '01a7362d577a6c3019a474fd6f485823',
-      from: '1689520412000',
       interval: 'minute',
-      to: '1689606812000',
+      timeEnd: '1689606812000',
+      timeStart: '1689520412000',
     });
     const rawResponse = await responsePromise.asResponse();
     expect(rawResponse).toBeInstanceOf(Response);
@@ -29,9 +29,9 @@ describe('resource httpTests', () => {
   test('get: required and optional params', async () => {
     const response = await cloudflare.zeroTrust.dex.httpTests.get('f174e90a-fafe-4643-bbbc-4a0ed4fc8415', {
       account_id: '01a7362d577a6c3019a474fd6f485823',
-      from: '1689520412000',
       interval: 'minute',
-      to: '1689606812000',
+      timeEnd: '1689606812000',
+      timeStart: '1689520412000',
       colo: 'string',
       deviceId: ['string', 'string', 'string'],
     });
diff --git a/tests/api-resources/zero-trust/dex/http-tests/percentiles.test.ts b/tests/api-resources/zero-trust/dex/http-tests/percentiles.test.ts
index 323cdc1fb4..ec7f21993a 100644
--- a/tests/api-resources/zero-trust/dex/http-tests/percentiles.test.ts
+++ b/tests/api-resources/zero-trust/dex/http-tests/percentiles.test.ts
@@ -15,8 +15,8 @@ describe('resource percentiles', () => {
       'f174e90a-fafe-4643-bbbc-4a0ed4fc8415',
       {
         account_id: '01a7362d577a6c3019a474fd6f485823',
-        from: '2023-09-20T17:00:00Z',
-        to: '2023-09-20T17:00:00Z',
+        timeEnd: '2023-09-20T17:00:00Z',
+        timeStart: '2023-09-20T17:00:00Z',
       },
     );
     const rawResponse = await responsePromise.asResponse();
@@ -33,8 +33,8 @@ describe('resource percentiles', () => {
       'f174e90a-fafe-4643-bbbc-4a0ed4fc8415',
       {
         account_id: '01a7362d577a6c3019a474fd6f485823',
-        from: '2023-09-20T17:00:00Z',
-        to: '2023-09-20T17:00:00Z',
+        timeEnd: '2023-09-20T17:00:00Z',
+        timeStart: '2023-09-20T17:00:00Z',
         colo: 'string',
         deviceId: ['string', 'string', 'string'],
       },
diff --git a/tests/api-resources/zero-trust/dex/traceroute-tests.test.ts b/tests/api-resources/zero-trust/dex/traceroute-tests.test.ts
index d51cba88eb..44fdd4a7c9 100644
--- a/tests/api-resources/zero-trust/dex/traceroute-tests.test.ts
+++ b/tests/api-resources/zero-trust/dex/traceroute-tests.test.ts
@@ -15,9 +15,9 @@ describe('resource tracerouteTests', () => {
       'f174e90a-fafe-4643-bbbc-4a0ed4fc8415',
       {
         account_id: '01a7362d577a6c3019a474fd6f485823',
-        from: '1689520412000',
         interval: 'minute',
-        to: '1689606812000',
+        timeEnd: '1689606812000',
+        timeStart: '1689520412000',
       },
     );
     const rawResponse = await responsePromise.asResponse();
@@ -34,9 +34,9 @@ describe('resource tracerouteTests', () => {
       'f174e90a-fafe-4643-bbbc-4a0ed4fc8415',
       {
         account_id: '01a7362d577a6c3019a474fd6f485823',
-        from: '1689520412000',
         interval: 'minute',
-        to: '1689606812000',
+        timeEnd: '1689606812000',
+        timeStart: '1689520412000',
         colo: 'string',
         deviceId: ['string', 'string', 'string'],
       },
@@ -49,9 +49,9 @@ describe('resource tracerouteTests', () => {
       {
         account_id: '01a7362d577a6c3019a474fd6f485823',
         deviceId: 'string',
-        from: '1689520412000',
         interval: 'minute',
-        to: '1689606812000',
+        timeEnd: '1689606812000',
+        timeStart: '1689520412000',
       },
     );
     const rawResponse = await responsePromise.asResponse();
@@ -69,9 +69,9 @@ describe('resource tracerouteTests', () => {
       {
         account_id: '01a7362d577a6c3019a474fd6f485823',
         deviceId: 'string',
-        from: '1689520412000',
         interval: 'minute',
-        to: '1689606812000',
+        timeEnd: '1689606812000',
+        timeStart: '1689520412000',
       },
     );
   });
@@ -81,8 +81,8 @@ describe('resource tracerouteTests', () => {
       'f174e90a-fafe-4643-bbbc-4a0ed4fc8415',
       {
         account_id: '01a7362d577a6c3019a474fd6f485823',
-        from: '2023-09-20T17:00:00Z',
-        to: '2023-09-20T17:00:00Z',
+        timeEnd: '2023-09-20T17:00:00Z',
+        timeStart: '2023-09-20T17:00:00Z',
       },
     );
     const rawResponse = await responsePromise.asResponse();
@@ -99,8 +99,8 @@ describe('resource tracerouteTests', () => {
       'f174e90a-fafe-4643-bbbc-4a0ed4fc8415',
       {
         account_id: '01a7362d577a6c3019a474fd6f485823',
-        from: '2023-09-20T17:00:00Z',
-        to: '2023-09-20T17:00:00Z',
+        timeEnd: '2023-09-20T17:00:00Z',
+        timeStart: '2023-09-20T17:00:00Z',
         colo: 'string',
         deviceId: ['string', 'string', 'string'],
       },