diff --git a/docs/classes/Seam.md b/docs/classes/Seam.md
index c98ed424..a3e44003 100644
--- a/docs/classes/Seam.md
+++ b/docs/classes/Seam.md
@@ -19,6 +19,7 @@
 - [accessCodes](Seam.md#accesscodes)
 - [actionAttempts](Seam.md#actionattempts)
 - [client](Seam.md#client)
+- [clientSessions](Seam.md#clientsessions)
 - [connectWebviews](Seam.md#connectwebviews)
 - [connectedAccounts](Seam.md#connectedaccounts)
 - [deviceModels](Seam.md#devicemodels)
@@ -83,7 +84,7 @@ Routes.accessCodes
 
 #### Defined in
 
-[src/seam-connect/routes.ts:282](https://github.com/seamapi/javascript/blob/main/src/seam-connect/routes.ts#L282)
+[src/seam-connect/routes.ts:285](https://github.com/seamapi/javascript/blob/main/src/seam-connect/routes.ts#L285)
 
 ___
 
@@ -103,7 +104,7 @@ Routes.actionAttempts
 
 #### Defined in
 
-[src/seam-connect/routes.ts:404](https://github.com/seamapi/javascript/blob/main/src/seam-connect/routes.ts#L404)
+[src/seam-connect/routes.ts:407](https://github.com/seamapi/javascript/blob/main/src/seam-connect/routes.ts#L407)
 
 ___
 
@@ -117,6 +118,27 @@ ___
 
 ___
 
+### clientSessions
+
+• `Readonly` **clientSessions**: `Object`
+
+#### Type declaration
+
+| Name | Type |
+| :------ | :------ |
+| `create` | (`params`: [`ClientSessionsCreateRequest`](../modules.md#clientsessionscreaterequest)) => `Promise`<[`ClientSession`](../interfaces/ClientSession.md)\> |
+| `getOrCreate` | (`params`: [`ClientSessionsCreateRequest`](../modules.md#clientsessionscreaterequest)) => `Promise`<[`ClientSession`](../interfaces/ClientSession.md)\> |
+
+#### Inherited from
+
+Routes.clientSessions
+
+#### Defined in
+
+[src/seam-connect/routes.ts:473](https://github.com/seamapi/javascript/blob/main/src/seam-connect/routes.ts#L473)
+
+___
+
 ### connectWebviews
 
 • `Readonly` **connectWebviews**: `Object`
@@ -136,7 +158,7 @@ Routes.connectWebviews
 
 #### Defined in
 
-[src/seam-connect/routes.ts:250](https://github.com/seamapi/javascript/blob/main/src/seam-connect/routes.ts#L250)
+[src/seam-connect/routes.ts:253](https://github.com/seamapi/javascript/blob/main/src/seam-connect/routes.ts#L253)
 
 ___
 
@@ -158,7 +180,7 @@ Routes.connectedAccounts
 
 #### Defined in
 
-[src/seam-connect/routes.ts:379](https://github.com/seamapi/javascript/blob/main/src/seam-connect/routes.ts#L379)
+[src/seam-connect/routes.ts:382](https://github.com/seamapi/javascript/blob/main/src/seam-connect/routes.ts#L382)
 
 ___
 
@@ -178,7 +200,7 @@ Routes.deviceModels
 
 #### Defined in
 
-[src/seam-connect/routes.ts:470](https://github.com/seamapi/javascript/blob/main/src/seam-connect/routes.ts#L470)
+[src/seam-connect/routes.ts:487](https://github.com/seamapi/javascript/blob/main/src/seam-connect/routes.ts#L487)
 
 ___
 
@@ -205,7 +227,7 @@ Routes.devices
 
 #### Defined in
 
-[src/seam-connect/routes.ts:191](https://github.com/seamapi/javascript/blob/main/src/seam-connect/routes.ts#L191)
+[src/seam-connect/routes.ts:194](https://github.com/seamapi/javascript/blob/main/src/seam-connect/routes.ts#L194)
 
 ___
 
@@ -225,7 +247,7 @@ Routes.events
 
 #### Defined in
 
-[src/seam-connect/routes.ts:238](https://github.com/seamapi/javascript/blob/main/src/seam-connect/routes.ts#L238)
+[src/seam-connect/routes.ts:241](https://github.com/seamapi/javascript/blob/main/src/seam-connect/routes.ts#L241)
 
 ___
 
@@ -248,7 +270,7 @@ Routes.locks
 
 #### Defined in
 
-[src/seam-connect/routes.ts:156](https://github.com/seamapi/javascript/blob/main/src/seam-connect/routes.ts#L156)
+[src/seam-connect/routes.ts:159](https://github.com/seamapi/javascript/blob/main/src/seam-connect/routes.ts#L159)
 
 ___
 
@@ -271,7 +293,7 @@ Routes.noiseThresholds
 
 #### Defined in
 
-[src/seam-connect/routes.ts:414](https://github.com/seamapi/javascript/blob/main/src/seam-connect/routes.ts#L414)
+[src/seam-connect/routes.ts:417](https://github.com/seamapi/javascript/blob/main/src/seam-connect/routes.ts#L417)
 
 ___
 
@@ -294,7 +316,7 @@ Routes.webhooks
 
 #### Defined in
 
-[src/seam-connect/routes.ts:445](https://github.com/seamapi/javascript/blob/main/src/seam-connect/routes.ts#L445)
+[src/seam-connect/routes.ts:448](https://github.com/seamapi/javascript/blob/main/src/seam-connect/routes.ts#L448)
 
 ___
 
@@ -316,7 +338,7 @@ Routes.workspaces
 
 #### Defined in
 
-[src/seam-connect/routes.ts:140](https://github.com/seamapi/javascript/blob/main/src/seam-connect/routes.ts#L140)
+[src/seam-connect/routes.ts:143](https://github.com/seamapi/javascript/blob/main/src/seam-connect/routes.ts#L143)
 
 ## Methods
 
@@ -352,7 +374,7 @@ ___
 
 ### getClientSessionToken
 
-▸ `Static` **getClientSessionToken**(`options`): `Promise`<[`APIResponse`](../modules.md#apiresponse)<[`ClientSessionResponse`](../interfaces/ClientSessionResponse.md)\>\>
+▸ `Static` **getClientSessionToken**(`options`): `Promise`<[`APIResponse`](../modules.md#apiresponse)<[`ClientSessionsResponse`](../modules.md#clientsessionsresponse)\>\>
 
 #### Parameters
 
@@ -367,7 +389,7 @@ ___
 
 #### Returns
 
-`Promise`<[`APIResponse`](../modules.md#apiresponse)<[`ClientSessionResponse`](../interfaces/ClientSessionResponse.md)\>\>
+`Promise`<[`APIResponse`](../modules.md#apiresponse)<[`ClientSessionsResponse`](../modules.md#clientsessionsresponse)\>\>
 
 #### Defined in
 
diff --git a/docs/interfaces/ClientSession.md b/docs/interfaces/ClientSession.md
index 04bcd297..1f5168b2 100644
--- a/docs/interfaces/ClientSession.md
+++ b/docs/interfaces/ClientSession.md
@@ -6,36 +6,36 @@
 
 ### Properties
 
+- [client\_session\_id](ClientSession.md#client_session_id)
 - [created\_at](ClientSession.md#created_at)
 - [token](ClientSession.md#token)
-- [user\_id](ClientSession.md#user_id)
 
 ## Properties
 
-### created\_at
+### client\_session\_id
 
-• **created\_at**: `string`
+• **client\_session\_id**: `string`
 
 #### Defined in
 
-[src/types/models.ts:351](https://github.com/seamapi/javascript/blob/main/src/types/models.ts#L351)
+[src/types/models.ts:350](https://github.com/seamapi/javascript/blob/main/src/types/models.ts#L350)
 
 ___
 
-### token
+### created\_at
 
-• **token**: `string`
+• **created\_at**: `string`
 
 #### Defined in
 
-[src/types/models.ts:349](https://github.com/seamapi/javascript/blob/main/src/types/models.ts#L349)
+[src/types/models.ts:351](https://github.com/seamapi/javascript/blob/main/src/types/models.ts#L351)
 
 ___
 
-### user\_id
+### token
 
-• **user\_id**: `string`
+• **token**: `string`
 
 #### Defined in
 
-[src/types/models.ts:350](https://github.com/seamapi/javascript/blob/main/src/types/models.ts#L350)
+[src/types/models.ts:349](https://github.com/seamapi/javascript/blob/main/src/types/models.ts#L349)
diff --git a/docs/interfaces/ClientSessionResponse.md b/docs/interfaces/ClientSessionResponse.md
deleted file mode 100644
index 1f8899aa..00000000
--- a/docs/interfaces/ClientSessionResponse.md
+++ /dev/null
@@ -1,19 +0,0 @@
-[seamapi](../README.md) / [Exports](../modules.md) / ClientSessionResponse
-
-# Interface: ClientSessionResponse
-
-## Table of contents
-
-### Properties
-
-- [client\_session](ClientSessionResponse.md#client_session)
-
-## Properties
-
-### client\_session
-
-• **client\_session**: [`ClientSession`](ClientSession.md)
-
-#### Defined in
-
-[src/types/route-responses.ts:133](https://github.com/seamapi/javascript/blob/main/src/types/route-responses.ts#L133)
diff --git a/docs/modules.md b/docs/modules.md
index 11957454..e9f2404a 100644
--- a/docs/modules.md
+++ b/docs/modules.md
@@ -40,7 +40,6 @@
 - [ActionAttemptResultTypeMap](interfaces/ActionAttemptResultTypeMap.md)
 - [ActionAttemptWithError](interfaces/ActionAttemptWithError.md)
 - [ClientSession](interfaces/ClientSession.md)
-- [ClientSessionResponse](interfaces/ClientSessionResponse.md)
 - [ConnectWebview](interfaces/ConnectWebview.md)
 - [ConnectWebviewCreateRequest](interfaces/ConnectWebviewCreateRequest.md)
 - [ConnectWebviewCreateResponse](interfaces/ConnectWebviewCreateResponse.md)
@@ -110,6 +109,9 @@
 - [ActionType](modules.md#actiontype)
 - [AnyDevice](modules.md#anydevice)
 - [BatteryStatus](modules.md#batterystatus)
+- [ClientSessionsCreateRequest](modules.md#clientsessionscreaterequest)
+- [ClientSessionsGetOrCreateRequest](modules.md#clientsessionsgetorcreaterequest)
+- [ClientSessionsResponse](modules.md#clientsessionsresponse)
 - [CommonDeviceProperties](modules.md#commondeviceproperties)
 - [CustomMetadata](modules.md#custommetadata)
 - [DeviceDeleteRequest](modules.md#devicedeleterequest)
@@ -364,6 +366,50 @@ ___
 
 ___
 
+### ClientSessionsCreateRequest
+
+Ƭ **ClientSessionsCreateRequest**: `Object`
+
+#### Type declaration
+
+| Name | Type |
+| :------ | :------ |
+| `connect_webview_ids?` | `string`[] |
+| `connected_account_ids?` | `string`[] |
+| `user_identifier_key` | `string` |
+
+#### Defined in
+
+[src/types/route-requests.ts:214](https://github.com/seamapi/javascript/blob/main/src/types/route-requests.ts#L214)
+
+___
+
+### ClientSessionsGetOrCreateRequest
+
+Ƭ **ClientSessionsGetOrCreateRequest**: [`ClientSessionsCreateRequest`](modules.md#clientsessionscreaterequest)
+
+#### Defined in
+
+[src/types/route-requests.ts:220](https://github.com/seamapi/javascript/blob/main/src/types/route-requests.ts#L220)
+
+___
+
+### ClientSessionsResponse
+
+Ƭ **ClientSessionsResponse**: `Object`
+
+#### Type declaration
+
+| Name | Type |
+| :------ | :------ |
+| `client_session` | [`ClientSession`](interfaces/ClientSession.md) |
+
+#### Defined in
+
+[src/types/route-responses.ts:138](https://github.com/seamapi/javascript/blob/main/src/types/route-responses.ts#L138)
+
+___
+
 ### CommonDeviceProperties
 
 Ƭ **CommonDeviceProperties**: `Object`
@@ -454,7 +500,7 @@ ___
 
 #### Defined in
 
-[src/types/route-requests.ts:214](https://github.com/seamapi/javascript/blob/main/src/types/route-requests.ts#L214)
+[src/types/route-requests.ts:222](https://github.com/seamapi/javascript/blob/main/src/types/route-requests.ts#L222)
 
 ___
 
@@ -470,7 +516,7 @@ ___
 
 #### Defined in
 
-[src/types/route-responses.ts:140](https://github.com/seamapi/javascript/blob/main/src/types/route-responses.ts#L140)
+[src/types/route-responses.ts:142](https://github.com/seamapi/javascript/blob/main/src/types/route-responses.ts#L142)
 
 ___
 
@@ -632,7 +678,7 @@ ___
 
 #### Defined in
 
-[src/types/route-responses.ts:136](https://github.com/seamapi/javascript/blob/main/src/types/route-responses.ts#L136)
+[src/types/route-responses.ts:133](https://github.com/seamapi/javascript/blob/main/src/types/route-responses.ts#L133)
 
 ___
 
diff --git a/src/seam-connect/client.ts b/src/seam-connect/client.ts
index 4f55d7ca..1b9bcfc8 100644
--- a/src/seam-connect/client.ts
+++ b/src/seam-connect/client.ts
@@ -13,7 +13,7 @@ import {
   SuccessfulAPIResponse,
 } from "../types/globals"
 import { version } from "../../package.json"
-import { ClientSessionResponse } from "../types"
+import { ClientSessionsResponse } from "../types"
 
 export interface SeamClientOptions {
   /* Seam API Key */
@@ -102,7 +102,7 @@ export class Seam extends Routes {
     endpoint?: string
     workspaceId?: string
     apiKey?: string
-  }): Promise<APIResponse<ClientSessionResponse>> {
+  }): Promise<APIResponse<ClientSessionsResponse>> {
     const { apiKey, endpoint, axiosOptions } =
       getSeamClientOptionsWithDefaults(options)
 
diff --git a/src/seam-connect/routes.ts b/src/seam-connect/routes.ts
index 5f00a82b..872ab9c4 100644
--- a/src/seam-connect/routes.ts
+++ b/src/seam-connect/routes.ts
@@ -42,6 +42,8 @@ import {
   NoiseThresholdsDeleteRequest,
   NoiseThresholdsCreateRequest,
   NoiseThresholdsUpdateRequest,
+  ClientSessionsCreateRequest,
+  ClientSessionsGetOrCreateRequest,
   UnmanagedAccessCodeConvertToManagedRequest,
   DeviceModelsListRequest,
 } from "../types/route-requests"
@@ -72,6 +74,7 @@ import {
   WorkspaceResetSandboxResponse,
   WorkspacesListResponse,
   NoiseThresholdsListResponse,
+  ClientSessionsResponse,
   DeviceModelsListResponse,
 } from "../types/route-responses"
 
@@ -467,6 +470,21 @@ export abstract class Routes {
       }),
   }
 
+  public readonly clientSessions = {
+    create: (params: ClientSessionsCreateRequest) =>
+      this.makeRequestAndFormat<ClientSessionsResponse>("client_session", {
+        url: "/client_sessions/create",
+        method: "POST",
+        params,
+      }),
+    getOrCreate: (params: ClientSessionsGetOrCreateRequest) =>
+      this.makeRequestAndFormat<ClientSessionsResponse>("client_session", {
+        url: "/client_sessions/create",
+        method: "PUT",
+        params,
+      }),
+  }
+
   public readonly deviceModels = {
     list: (params?: DeviceModelsListRequest) =>
       this.makeRequestAndFormat<DeviceModelsListResponse>("device_models", {
diff --git a/src/types/models.ts b/src/types/models.ts
index 29ec3bf5..5ab91bd5 100644
--- a/src/types/models.ts
+++ b/src/types/models.ts
@@ -347,7 +347,7 @@ export type Event = Flatten<SeamEvent["event_type"]>
 
 export interface ClientSession {
   token: string
-  user_id: string
+  client_session_id: string
   created_at: string
 }
 
diff --git a/src/types/route-requests.ts b/src/types/route-requests.ts
index 5400089c..9e7d32dd 100644
--- a/src/types/route-requests.ts
+++ b/src/types/route-requests.ts
@@ -211,6 +211,14 @@ export type NoiseThresholdsDeleteRequest = {
   noise_threshold_id: string
 }
 
+export type ClientSessionsCreateRequest = {
+  user_identifier_key: string
+  connect_webview_ids?: string[]
+  connected_account_ids?: string[]
+}
+
+export type ClientSessionsGetOrCreateRequest = ClientSessionsCreateRequest
+
 export type DeviceModelsListRequest = {
   main_category?: string
   support_level?: string
diff --git a/src/types/route-responses.ts b/src/types/route-responses.ts
index ee78d5d4..b58d8278 100644
--- a/src/types/route-responses.ts
+++ b/src/types/route-responses.ts
@@ -129,14 +129,16 @@ export interface EventsListResponse {
   events: Event[]
 }
 
-export interface ClientSessionResponse {
-  client_session: ClientSession
-}
-
+// Noise Thresholds
 export type NoiseThresholdsListResponse = {
   noise_thresholds: NoiseThresholds[]
 }
 
+// Client Sessions
+export type ClientSessionsResponse = {
+  client_session: ClientSession
+}
+
 export type DeviceModelsListResponse = {
   device_models: DeviceModel[]
 }
diff --git a/tests/routes.test.ts b/tests/routes.test.ts
index f9901b2c..eff473c3 100644
--- a/tests/routes.test.ts
+++ b/tests/routes.test.ts
@@ -361,3 +361,15 @@ test(
   },
   "{}"
 )
+
+// Client Sessions
+test(
+  testAPIMethod("clientSessions.create"),
+  { modifiesState: true },
+  "ClientSession"
+)
+test(
+  testAPIMethod("clientSessions.getOrCreate"),
+  { modifiesState: true },
+  "ClientSession"
+)