diff --git a/discovery/prod_tt_sasportal-v1alpha1.json b/discovery/prod_tt_sasportal-v1alpha1.json
index 2444ab87d0..cedad17eb1 100644
--- a/discovery/prod_tt_sasportal-v1alpha1.json
+++ b/discovery/prod_tt_sasportal-v1alpha1.json
@@ -110,22 +110,6 @@
   "resources": {
     "customers": {
       "methods": {
-        "checkHasProvisionedDeployment": {
-          "description": "Checks whether a SAS deployment for the authentication context exists.",
-          "flatPath": "v1alpha1/customers:checkHasProvisionedDeployment",
-          "httpMethod": "GET",
-          "id": "prod_tt_sasportal.customers.checkHasProvisionedDeployment",
-          "parameterOrder": [],
-          "parameters": {},
-          "path": "v1alpha1/customers:checkHasProvisionedDeployment",
-          "response": {
-            "$ref": "SasPortalCheckHasProvisionedDeploymentResponse"
-          },
-          "scopes": [
-            "https://www.googleapis.com/auth/cloud-platform",
-            "https://www.googleapis.com/auth/sasportal"
-          ]
-        },
         "get": {
           "description": "Returns a requested customer.",
           "flatPath": "v1alpha1/customers/{customersId}",
@@ -180,8 +164,24 @@
             "https://www.googleapis.com/auth/sasportal"
           ]
         },
+        "listGcpProjectDeployments": {
+          "description": "Returns a list of SAS deployments associated with current GCP project. Includes whether SAS analytics has been enabled or not.",
+          "flatPath": "v1alpha1/customers:listGcpProjectDeployments",
+          "httpMethod": "GET",
+          "id": "prod_tt_sasportal.customers.listGcpProjectDeployments",
+          "parameterOrder": [],
+          "parameters": {},
+          "path": "v1alpha1/customers:listGcpProjectDeployments",
+          "response": {
+            "$ref": "SasPortalListGcpProjectDeploymentsResponse"
+          },
+          "scopes": [
+            "https://www.googleapis.com/auth/cloud-platform",
+            "https://www.googleapis.com/auth/sasportal"
+          ]
+        },
         "listLegacyOrganizations": {
-          "description": "Checks whether account is legacy.",
+          "description": "Returns a list of legacy organizations.",
           "flatPath": "v1alpha1/customers:listLegacyOrganizations",
           "httpMethod": "GET",
           "id": "prod_tt_sasportal.customers.listLegacyOrganizations",
@@ -2653,7 +2653,7 @@
       }
     }
   },
-  "revision": "20231221",
+  "revision": "20240131",
   "rootUrl": "https://prod-tt-sasportal.googleapis.com/",
   "schemas": {
     "SasPortalAssignment": {
@@ -2690,17 +2690,6 @@
       },
       "type": "object"
     },
-    "SasPortalCheckHasProvisionedDeploymentResponse": {
-      "description": "Response for [CheckHasProvisionedDeployment]. [spectrum.sas.portal.v1alpha1.Provisioning.CheckHasProvisionedDeployment].",
-      "id": "SasPortalCheckHasProvisionedDeploymentResponse",
-      "properties": {
-        "hasProvisionedDeployment": {
-          "description": "Whether a SAS deployment for the authentication context exists.",
-          "type": "boolean"
-        }
-      },
-      "type": "object"
-    },
     "SasPortalCreateSignedDeviceRequest": {
       "description": "Request for CreateSignedDevice.",
       "id": "SasPortalCreateSignedDeviceRequest",
@@ -2810,7 +2799,7 @@
           "type": "string"
         },
         "fccId": {
-          "description": "The FCC identifier of the device.",
+          "description": "The FCC identifier of the device. Refer to https://www.fcc.gov/oet/ea/fccid for FccID format.",
           "type": "string"
         },
         "grantRangeAllowlists": {
@@ -3149,6 +3138,21 @@
       },
       "type": "object"
     },
+    "SasPortalGcpProjectDeployment": {
+      "description": "Deployment associated with the GCP project. Includes whether SAS analytics has been enabled or not.",
+      "id": "SasPortalGcpProjectDeployment",
+      "properties": {
+        "deployment": {
+          "$ref": "SasPortalDeployment",
+          "description": "Deployment associated with the GCP project."
+        },
+        "hasEnabledAnalytics": {
+          "description": "Whether SAS analytics has been enabled.",
+          "type": "boolean"
+        }
+      },
+      "type": "object"
+    },
     "SasPortalGenerateSecretRequest": {
       "description": "Request for GenerateSecret.",
       "id": "SasPortalGenerateSecretRequest",
@@ -3314,15 +3318,28 @@
       },
       "type": "object"
     },
+    "SasPortalListGcpProjectDeploymentsResponse": {
+      "description": "Response for [ListGcpProjectDeployments].",
+      "id": "SasPortalListGcpProjectDeploymentsResponse",
+      "properties": {
+        "deployments": {
+          "description": "Optional. Deployments associated with the GCP project",
+          "items": {
+            "$ref": "SasPortalGcpProjectDeployment"
+          },
+          "type": "array"
+        }
+      },
+      "type": "object"
+    },
     "SasPortalListLegacyOrganizationsResponse": {
       "description": "Response for [ListLegacyOrganizations]. [spectrum.sas.portal.v1alpha1.Provisioning.ListLegacyOrganizations].",
       "id": "SasPortalListLegacyOrganizationsResponse",
       "properties": {
-        "organizationIds": {
-          "description": "Optional. IDs of legacy SAS organizations.",
+        "organizations": {
+          "description": "Optional. Legacy SAS organizations.",
           "items": {
-            "format": "int64",
-            "type": "string"
+            "$ref": "SasPortalOrganization"
           },
           "type": "array"
         }
@@ -3528,6 +3545,22 @@
       },
       "type": "object"
     },
+    "SasPortalOrganization": {
+      "description": "Organization details.",
+      "id": "SasPortalOrganization",
+      "properties": {
+        "displayName": {
+          "description": "Name of organization",
+          "type": "string"
+        },
+        "id": {
+          "description": "Id of organization",
+          "format": "int64",
+          "type": "string"
+        }
+      },
+      "type": "object"
+    },
     "SasPortalPolicy": {
       "description": "Defines an access control policy to the resources.",
       "id": "SasPortalPolicy",
diff --git a/src/apis/prod_tt_sasportal/v1alpha1.ts b/src/apis/prod_tt_sasportal/v1alpha1.ts
index 403ef842fd..8e872261e9 100644
--- a/src/apis/prod_tt_sasportal/v1alpha1.ts
+++ b/src/apis/prod_tt_sasportal/v1alpha1.ts
@@ -158,15 +158,6 @@ export namespace prod_tt_sasportal_v1alpha1 {
      */
     score?: number | null;
   }
-  /**
-   * Response for [CheckHasProvisionedDeployment]. [spectrum.sas.portal.v1alpha1.Provisioning.CheckHasProvisionedDeployment].
-   */
-  export interface Schema$SasPortalCheckHasProvisionedDeploymentResponse {
-    /**
-     * Whether a SAS deployment for the authentication context exists.
-     */
-    hasProvisionedDeployment?: boolean | null;
-  }
   /**
    * Request for CreateSignedDevice.
    */
@@ -249,7 +240,7 @@ export namespace prod_tt_sasportal_v1alpha1 {
      */
     displayName?: string | null;
     /**
-     * The FCC identifier of the device.
+     * The FCC identifier of the device. Refer to https://www.fcc.gov/oet/ea/fccid for FccID format.
      */
     fccId?: string | null;
     /**
@@ -456,6 +447,19 @@ export namespace prod_tt_sasportal_v1alpha1 {
      */
     lowFrequencyMhz?: number | null;
   }
+  /**
+   * Deployment associated with the GCP project. Includes whether SAS analytics has been enabled or not.
+   */
+  export interface Schema$SasPortalGcpProjectDeployment {
+    /**
+     * Deployment associated with the GCP project.
+     */
+    deployment?: Schema$SasPortalDeployment;
+    /**
+     * Whether SAS analytics has been enabled.
+     */
+    hasEnabledAnalytics?: boolean | null;
+  }
   /**
    * Request for GenerateSecret.
    */
@@ -578,14 +582,23 @@ export namespace prod_tt_sasportal_v1alpha1 {
      */
     nextPageToken?: string | null;
   }
+  /**
+   * Response for [ListGcpProjectDeployments].
+   */
+  export interface Schema$SasPortalListGcpProjectDeploymentsResponse {
+    /**
+     * Optional. Deployments associated with the GCP project
+     */
+    deployments?: Schema$SasPortalGcpProjectDeployment[];
+  }
   /**
    * Response for [ListLegacyOrganizations]. [spectrum.sas.portal.v1alpha1.Provisioning.ListLegacyOrganizations].
    */
   export interface Schema$SasPortalListLegacyOrganizationsResponse {
     /**
-     * Optional. IDs of legacy SAS organizations.
+     * Optional. Legacy SAS organizations.
      */
-    organizationIds?: string[] | null;
+    organizations?: Schema$SasPortalOrganization[];
   }
   /**
    * Response for ListNodes.
@@ -721,6 +734,19 @@ export namespace prod_tt_sasportal_v1alpha1 {
      */
     response?: {[key: string]: any} | null;
   }
+  /**
+   * Organization details.
+   */
+  export interface Schema$SasPortalOrganization {
+    /**
+     * Name of organization
+     */
+    displayName?: string | null;
+    /**
+     * Id of organization
+     */
+    id?: string | null;
+  }
   /**
    * Defines an access control policy to the resources.
    */
@@ -889,102 +915,6 @@ export namespace prod_tt_sasportal_v1alpha1 {
       this.nodes = new Resource$Customers$Nodes(this.context);
     }
 
-    /**
-     * Checks whether a SAS deployment for the authentication context exists.
-     *
-     * @param params - Parameters for request
-     * @param options - Optionally override request options, such as `url`, `method`, and `encoding`.
-     * @param callback - Optional callback that handles the response.
-     * @returns A promise if used with async/await, or void if used with a callback.
-     */
-    checkHasProvisionedDeployment(
-      params: Params$Resource$Customers$Checkhasprovisioneddeployment,
-      options: StreamMethodOptions
-    ): GaxiosPromise<Readable>;
-    checkHasProvisionedDeployment(
-      params?: Params$Resource$Customers$Checkhasprovisioneddeployment,
-      options?: MethodOptions
-    ): GaxiosPromise<Schema$SasPortalCheckHasProvisionedDeploymentResponse>;
-    checkHasProvisionedDeployment(
-      params: Params$Resource$Customers$Checkhasprovisioneddeployment,
-      options: StreamMethodOptions | BodyResponseCallback<Readable>,
-      callback: BodyResponseCallback<Readable>
-    ): void;
-    checkHasProvisionedDeployment(
-      params: Params$Resource$Customers$Checkhasprovisioneddeployment,
-      options:
-        | MethodOptions
-        | BodyResponseCallback<Schema$SasPortalCheckHasProvisionedDeploymentResponse>,
-      callback: BodyResponseCallback<Schema$SasPortalCheckHasProvisionedDeploymentResponse>
-    ): void;
-    checkHasProvisionedDeployment(
-      params: Params$Resource$Customers$Checkhasprovisioneddeployment,
-      callback: BodyResponseCallback<Schema$SasPortalCheckHasProvisionedDeploymentResponse>
-    ): void;
-    checkHasProvisionedDeployment(
-      callback: BodyResponseCallback<Schema$SasPortalCheckHasProvisionedDeploymentResponse>
-    ): void;
-    checkHasProvisionedDeployment(
-      paramsOrCallback?:
-        | Params$Resource$Customers$Checkhasprovisioneddeployment
-        | BodyResponseCallback<Schema$SasPortalCheckHasProvisionedDeploymentResponse>
-        | BodyResponseCallback<Readable>,
-      optionsOrCallback?:
-        | MethodOptions
-        | StreamMethodOptions
-        | BodyResponseCallback<Schema$SasPortalCheckHasProvisionedDeploymentResponse>
-        | BodyResponseCallback<Readable>,
-      callback?:
-        | BodyResponseCallback<Schema$SasPortalCheckHasProvisionedDeploymentResponse>
-        | BodyResponseCallback<Readable>
-    ):
-      | void
-      | GaxiosPromise<Schema$SasPortalCheckHasProvisionedDeploymentResponse>
-      | GaxiosPromise<Readable> {
-      let params = (paramsOrCallback ||
-        {}) as Params$Resource$Customers$Checkhasprovisioneddeployment;
-      let options = (optionsOrCallback || {}) as MethodOptions;
-
-      if (typeof paramsOrCallback === 'function') {
-        callback = paramsOrCallback;
-        params = {} as Params$Resource$Customers$Checkhasprovisioneddeployment;
-        options = {};
-      }
-
-      if (typeof optionsOrCallback === 'function') {
-        callback = optionsOrCallback;
-        options = {};
-      }
-
-      const rootUrl =
-        options.rootUrl || 'https://prod-tt-sasportal.googleapis.com/';
-      const parameters = {
-        options: Object.assign(
-          {
-            url: (
-              rootUrl + '/v1alpha1/customers:checkHasProvisionedDeployment'
-            ).replace(/([^:]\/)\/+/g, '$1'),
-            method: 'GET',
-          },
-          options
-        ),
-        params,
-        requiredParams: [],
-        pathParams: [],
-        context: this.context,
-      };
-      if (callback) {
-        createAPIRequest<Schema$SasPortalCheckHasProvisionedDeploymentResponse>(
-          parameters,
-          callback as BodyResponseCallback<unknown>
-        );
-      } else {
-        return createAPIRequest<Schema$SasPortalCheckHasProvisionedDeploymentResponse>(
-          parameters
-        );
-      }
-    }
-
     /**
      * Returns a requested customer.
      *
@@ -1169,7 +1099,103 @@ export namespace prod_tt_sasportal_v1alpha1 {
     }
 
     /**
-     * Checks whether account is legacy.
+     * Returns a list of SAS deployments associated with current GCP project. Includes whether SAS analytics has been enabled or not.
+     *
+     * @param params - Parameters for request
+     * @param options - Optionally override request options, such as `url`, `method`, and `encoding`.
+     * @param callback - Optional callback that handles the response.
+     * @returns A promise if used with async/await, or void if used with a callback.
+     */
+    listGcpProjectDeployments(
+      params: Params$Resource$Customers$Listgcpprojectdeployments,
+      options: StreamMethodOptions
+    ): GaxiosPromise<Readable>;
+    listGcpProjectDeployments(
+      params?: Params$Resource$Customers$Listgcpprojectdeployments,
+      options?: MethodOptions
+    ): GaxiosPromise<Schema$SasPortalListGcpProjectDeploymentsResponse>;
+    listGcpProjectDeployments(
+      params: Params$Resource$Customers$Listgcpprojectdeployments,
+      options: StreamMethodOptions | BodyResponseCallback<Readable>,
+      callback: BodyResponseCallback<Readable>
+    ): void;
+    listGcpProjectDeployments(
+      params: Params$Resource$Customers$Listgcpprojectdeployments,
+      options:
+        | MethodOptions
+        | BodyResponseCallback<Schema$SasPortalListGcpProjectDeploymentsResponse>,
+      callback: BodyResponseCallback<Schema$SasPortalListGcpProjectDeploymentsResponse>
+    ): void;
+    listGcpProjectDeployments(
+      params: Params$Resource$Customers$Listgcpprojectdeployments,
+      callback: BodyResponseCallback<Schema$SasPortalListGcpProjectDeploymentsResponse>
+    ): void;
+    listGcpProjectDeployments(
+      callback: BodyResponseCallback<Schema$SasPortalListGcpProjectDeploymentsResponse>
+    ): void;
+    listGcpProjectDeployments(
+      paramsOrCallback?:
+        | Params$Resource$Customers$Listgcpprojectdeployments
+        | BodyResponseCallback<Schema$SasPortalListGcpProjectDeploymentsResponse>
+        | BodyResponseCallback<Readable>,
+      optionsOrCallback?:
+        | MethodOptions
+        | StreamMethodOptions
+        | BodyResponseCallback<Schema$SasPortalListGcpProjectDeploymentsResponse>
+        | BodyResponseCallback<Readable>,
+      callback?:
+        | BodyResponseCallback<Schema$SasPortalListGcpProjectDeploymentsResponse>
+        | BodyResponseCallback<Readable>
+    ):
+      | void
+      | GaxiosPromise<Schema$SasPortalListGcpProjectDeploymentsResponse>
+      | GaxiosPromise<Readable> {
+      let params = (paramsOrCallback ||
+        {}) as Params$Resource$Customers$Listgcpprojectdeployments;
+      let options = (optionsOrCallback || {}) as MethodOptions;
+
+      if (typeof paramsOrCallback === 'function') {
+        callback = paramsOrCallback;
+        params = {} as Params$Resource$Customers$Listgcpprojectdeployments;
+        options = {};
+      }
+
+      if (typeof optionsOrCallback === 'function') {
+        callback = optionsOrCallback;
+        options = {};
+      }
+
+      const rootUrl =
+        options.rootUrl || 'https://prod-tt-sasportal.googleapis.com/';
+      const parameters = {
+        options: Object.assign(
+          {
+            url: (
+              rootUrl + '/v1alpha1/customers:listGcpProjectDeployments'
+            ).replace(/([^:]\/)\/+/g, '$1'),
+            method: 'GET',
+          },
+          options
+        ),
+        params,
+        requiredParams: [],
+        pathParams: [],
+        context: this.context,
+      };
+      if (callback) {
+        createAPIRequest<Schema$SasPortalListGcpProjectDeploymentsResponse>(
+          parameters,
+          callback as BodyResponseCallback<unknown>
+        );
+      } else {
+        return createAPIRequest<Schema$SasPortalListGcpProjectDeploymentsResponse>(
+          parameters
+        );
+      }
+    }
+
+    /**
+     * Returns a list of legacy organizations.
      *
      * @param params - Parameters for request
      * @param options - Optionally override request options, such as `url`, `method`, and `encoding`.
@@ -1635,8 +1661,6 @@ export namespace prod_tt_sasportal_v1alpha1 {
     }
   }
 
-  export interface Params$Resource$Customers$Checkhasprovisioneddeployment
-    extends StandardParameters {}
   export interface Params$Resource$Customers$Get extends StandardParameters {
     /**
      * Required. The name of the customer.
@@ -1653,6 +1677,8 @@ export namespace prod_tt_sasportal_v1alpha1 {
      */
     pageToken?: string;
   }
+  export interface Params$Resource$Customers$Listgcpprojectdeployments
+    extends StandardParameters {}
   export interface Params$Resource$Customers$Listlegacyorganizations
     extends StandardParameters {}
   export interface Params$Resource$Customers$Migrateorganization