diff --git a/backend/openapi/components/responses/internal/error-invalid-room-secret.yaml b/backend/openapi/components/responses/internal/error-invalid-room-secret.yaml
new file mode 100644
index 0000000..7934e9f
--- /dev/null
+++ b/backend/openapi/components/responses/internal/error-invalid-room-secret.yaml
@@ -0,0 +1,8 @@
+description: Invalid room secret
+content:
+    application/json:
+        schema:
+            $ref: ../../schemas/error.yaml
+        example:
+            name: 'Room Error'
+            message: 'The secret "123456"" is not recognized for room "room-123"'
\ No newline at end of file
diff --git a/backend/openapi/components/responses/internal/success-end-meeting.yaml b/backend/openapi/components/responses/internal/success-end-meeting.yaml
new file mode 100644
index 0000000..2262eea
--- /dev/null
+++ b/backend/openapi/components/responses/internal/success-end-meeting.yaml
@@ -0,0 +1,9 @@
+description: Meeting ended successfully
+content:
+    application/json:
+        schema:
+            type: object
+            properties:
+                message:
+                    type: string
+                    example: 'Meeting ended successfully'
diff --git a/backend/openapi/components/responses/internal/success-get-room-role.yaml b/backend/openapi/components/responses/internal/success-get-room-role.yaml
new file mode 100644
index 0000000..fafa704
--- /dev/null
+++ b/backend/openapi/components/responses/internal/success-get-room-role.yaml
@@ -0,0 +1,5 @@
+description: Successfully retrieved the room role and associated permissions
+content:
+    application/json:
+        schema:
+            $ref: '../../schemas/internal/meet-room-role-permissions.yaml'
diff --git a/backend/openapi/components/responses/internal/success-get-room-roles.yaml b/backend/openapi/components/responses/internal/success-get-room-roles.yaml
new file mode 100644
index 0000000..bb5de30
--- /dev/null
+++ b/backend/openapi/components/responses/internal/success-get-room-roles.yaml
@@ -0,0 +1,52 @@
+description: Successfully retrieved all roles and associated permissions in a room
+content:
+    application/json:
+        schema:
+            type: array
+            items:
+                $ref: '../../schemas/internal/meet-room-role-permissions.yaml'
+        example:
+            - role: 'moderator'
+              permissions:
+                  livekit:
+                      roomCreate: true
+                      roomJoin: true
+                      roomList: true
+                      roomRecord: true
+                      roomAdmin: true
+                      room: 'room-123'
+                      ingressAdmin: true
+                      canPublish: true
+                      canSubscribe: true
+                      canPublishData: true
+                      canUpdateOwnMetadata: true
+                      hidden: false
+                      recorder: false
+                      agent: false
+                  openvidu:
+                      canPublishScreen: true
+                      canRecord: true
+                      canChat: true
+                      canChangeVirtualBackground: true
+            - role: 'publisher'
+              permissions:
+                  livekit:
+                      roomCreate: false
+                      roomJoin: true
+                      roomList: true
+                      roomRecord: false
+                      roomAdmin: false
+                      room: 'room-123'
+                      ingressAdmin: false
+                      canPublish: true
+                      canSubscribe: true
+                      canPublishData: true
+                      canUpdateOwnMetadata: true
+                      hidden: false
+                      recorder: false
+                      agent: false
+                  openvidu:
+                      canPublishScreen: true
+                      canRecord: false
+                      canChat: true
+                      canChangeVirtualBackground: true
diff --git a/backend/openapi/components/schemas/internal/meet-room-role-permissions.yaml b/backend/openapi/components/schemas/internal/meet-room-role-permissions.yaml
new file mode 100644
index 0000000..701c8b8
--- /dev/null
+++ b/backend/openapi/components/schemas/internal/meet-room-role-permissions.yaml
@@ -0,0 +1,110 @@
+type: object
+properties:
+    role:
+        type: string
+        enum: ['moderator', 'publisher']
+        description: >
+            A role that a participant can have in a room.
+            The role determines the permissions of the participant in the room.
+            - `moderator`: Can manage the room and its participants.
+            - `publisher`: Can publish media streams to the room.
+        example: 'moderator'
+    permissions:
+        type: object
+        properties:
+            livekit:
+                type: object
+                properties:
+                    roomCreate:
+                        type: boolean
+                        description: >
+                            Indicates whether the participant can create a room.
+                        example: true
+                    roomJoin:
+                        type: boolean
+                        description: >
+                            Indicates whether the participant can join a room.
+                        example: true
+                    roomList:
+                        type: boolean
+                        description: >
+                            Indicates whether the participant can list available rooms.
+                        example: true
+                    roomRecord:
+                        type: boolean
+                        description: >
+                            Indicates whether the participant can record a room.
+                        example: true
+                    roomAdmin:
+                        type: boolean
+                        description: >
+                            Indicates whether the participant has administrative privileges in the room.
+                        example: true
+                    room:
+                        type: string
+                        description: >
+                            The ID of the room associated with the participant.
+                        example: roomId
+                    ingressAdmin:
+                        type: boolean
+                        description: >
+                            Indicates whether the participant can manage ingress settings.
+                        example: true
+                    canPublish:
+                        type: boolean
+                        description: >
+                            Indicates whether the participant can publish media streams to the room.
+                        example: true
+                    canSubscribe:
+                        type: boolean
+                        description: >
+                            Indicates whether the participant can subscribe to media streams in the room.
+                        example: true
+                    canPublishData:
+                        type: boolean
+                        description: >
+                            Indicates whether the participant can publish data messages to the room.
+                        example: true
+                    canUpdateOwnMetadata:
+                        type: boolean
+                        description: >
+                            Indicates whether the participant can update their own metadata.
+                        example: true
+                    hidden:
+                        type: boolean
+                        description: >
+                            Indicates whether the participant is hidden in the room.
+                        example: false
+                    recorder:
+                        type: boolean
+                        description: >
+                            Indicates whether the participant is a recorder in the room.
+                        example: false
+                    agent:
+                        type: boolean
+                        description: >
+                            Indicates whether the participant is an agent in the room.
+                        example: false
+            openvidu:
+                type: object
+                properties:
+                    canPublishScreen:
+                        type: boolean
+                        description: >
+                            Indicates whether the participant can publish screen sharing in the room.
+                        example: true
+                    canRecord:
+                        type: boolean
+                        description: >
+                            Indicates whether the participant can record the room.
+                        example: true
+                    canChat:
+                        type: boolean
+                        description: >
+                            Indicates whether the participant can send and receive chat messages in the room.
+                        example: true
+                    canChangeVirtualBackground:
+                        type: boolean
+                        description: >
+                            Indicates whether the participant can change virtual background in the room.
+                        example: true
diff --git a/backend/openapi/openvidu-meet-internal-api.yaml b/backend/openapi/openvidu-meet-internal-api.yaml
index e2424bd..510ddc4 100644
--- a/backend/openapi/openvidu-meet-internal-api.yaml
+++ b/backend/openapi/openvidu-meet-internal-api.yaml
@@ -18,8 +18,10 @@ paths:
         $ref: './paths/internal/auth.yaml#/~1auth~1profile'
     /rooms/{roomId}:
         $ref: './paths/internal/rooms.yaml#/~1rooms~1{roomId}'
-    /rooms/{roomId}/participant-role:
-        $ref: './paths/internal/rooms.yaml#/~1rooms~1{roomId}~1participant-role'
+    /rooms/{roomId}/roles:
+        $ref: './paths/internal/rooms.yaml#/~1rooms~1{roomId}~1roles'
+    /rooms/{roomId}/roles/{secret}:
+        $ref: './paths/internal/rooms.yaml#/~1rooms~1{roomId}~1roles~1{secret}'
     /recordings:
         $ref: './paths/internal/recordings.yaml#/~1recordings'
     /recordings/{recordingId}/stop:
@@ -28,12 +30,14 @@ paths:
         $ref: './paths/internal/participants.yaml#/~1participants~1token'
     /participants/token/refresh:
         $ref: './paths/internal/participants.yaml#/~1participants~1token~1refresh'
-    /participants/{participantName}:
-        $ref: './paths/internal/participants.yaml#/~1participants~1{participantName}'
+    /meetings/{roomId}:
+        $ref: './paths/internal/meetings.yaml#/~1meetings~1{roomId}'
+    /meetings/{roomId}/participants/{participantName}:
+        $ref: './paths/internal/meetings.yaml#/~1meetings~1{roomId}~1participants~1{participantName}'
 
 components:
     securitySchemes:
-        $ref: './components/security.yaml'
+        $ref: components/security.yaml
     schemas:
         User:
             $ref: components/schemas/internal/user.yaml
@@ -42,7 +46,9 @@ components:
         MeetRoomOptions:
             $ref: components/schemas/meet-room-options.yaml
         MeetRoomPreferences:
-            $ref: './components/schemas/meet-room-preferences.yaml#/MeetRoomPreferences'
+            $ref: components/schemas/meet-room-preferences.yaml#/MeetRoomPreferences
+        MeetRoomRoleAndPermissions:
+            $ref: components/schemas/internal/meet-room-role-permissions.yaml
         MeetRecording:
             $ref: components/schemas/meet-recording.yaml
         Error:
diff --git a/backend/openapi/paths/internal/meetings.yaml b/backend/openapi/paths/internal/meetings.yaml
new file mode 100644
index 0000000..1269a0a
--- /dev/null
+++ b/backend/openapi/paths/internal/meetings.yaml
@@ -0,0 +1,49 @@
+/meetings/{roomId}:
+    delete:
+        operationId: endMeeting
+        summary: End a meeting
+        description: >
+            Ends a meeting in an OpenVidu Meet room. This will stop all recordings and disconnect all participants.
+
+            This endpoint is idempotent. If the meeting is already ended, it will return a success response without any action.
+        tags:
+            - Internal API - Meetings
+        security:
+            - participantTokenCookie: []
+        parameters:
+            - $ref: '../../components/parameters/room-id.yaml'
+        responses:
+            '200':
+                $ref: '../../components/responses/internal/success-end-meeting.yaml'
+            '401':
+                $ref: '../../components/responses/unauthorized-error.yaml'
+            '403':
+                $ref: '../../components/responses/forbidden-error.yaml'
+            # '404':
+            #     $ref: '../../components/responses/error-room-not-found.yaml'
+            '500':
+                $ref: '../../components/responses/internal-server-error.yaml'
+/meetings/{roomId}/participants/{participantName}:
+    delete:
+        operationId: disconnectParticipant
+        summary: Delete a participant from a meeting
+        description: >
+            Deletes a participant from an OpenVidu Meet room. This will disconnect the participant from the meeting.
+        tags:
+            - Internal API - Meetings
+        security:
+            - participantTokenCookie: []
+        parameters:
+            - $ref: '../../components/parameters/room-id.yaml'
+            - $ref: '../../components/parameters/internal/participant-name.yaml'
+        responses:
+            '200':
+                $ref: '../../components/responses/internal/success-delete-participant.yaml'
+            '401':
+                $ref: '../../components/responses/unauthorized-error.yaml'
+            '403':
+                $ref: '../../components/responses/forbidden-error.yaml'
+            '404':
+                $ref: '../../components/responses/internal/error-participant-not-found.yaml'
+            '500':
+                $ref: '../../components/responses/internal-server-error.yaml'
diff --git a/backend/openapi/paths/internal/participants.yaml b/backend/openapi/paths/internal/participants.yaml
index c243add..3fa564a 100644
--- a/backend/openapi/paths/internal/participants.yaml
+++ b/backend/openapi/paths/internal/participants.yaml
@@ -13,6 +13,8 @@
         responses:
             '200':
                 $ref: '../../components/responses/internal/success-generate-participant-token.yaml'
+            '400':
+                $ref: '../../components/responses/internal/error-invalid-room-secret.yaml'
             '401':
                 $ref: '../../components/responses/unauthorized-error.yaml'
             '403':
@@ -23,7 +25,6 @@
                 $ref: '../../components/responses/internal/error-participant-already-exists.yaml'
             '500':
                 $ref: '../../components/responses/internal-server-error.yaml'
-
 /participants/token/refresh:
     post:
         operationId: refreshParticipantToken
@@ -39,6 +40,8 @@
         responses:
             '200':
                 $ref: '../../components/responses/internal/success-generate-participant-token.yaml'
+            '400':
+                $ref: '../../components/responses/internal/error-invalid-room-secret.yaml'
             '401':
                 $ref: '../../components/responses/unauthorized-error.yaml'
             '403':
@@ -49,27 +52,3 @@
                 $ref: '../../components/responses/internal/error-participant-token-still-valid.yaml'
             '500':
                 $ref: '../../components/responses/internal-server-error.yaml'
-/participants/{participantName}:
-    delete:
-        operationId: disconnectParticipant
-        summary: Delete a participant from a room
-        description: >
-            Deletes a participant from an OpenVidu Meet room.
-        tags:
-            - Internal API - Participant
-        security:
-            - participantTokenCookie: []
-        parameters:
-            - $ref: '../../components/parameters/room-id.yaml'
-            - $ref: '../../components/parameters/internal/participant-name.yaml'
-        responses:
-            '200':
-                $ref: '../../components/responses/internal/success-delete-participant.yaml'
-            '401':
-                $ref: '../../components/responses/unauthorized-error.yaml'
-            '403':
-                $ref: '../../components/responses/forbidden-error.yaml'
-            '404':
-                $ref: '../../components/responses/internal/error-participant-not-found.yaml'
-            '500':
-                $ref: '../../components/responses/internal-server-error.yaml'
diff --git a/backend/openapi/paths/internal/rooms.yaml b/backend/openapi/paths/internal/rooms.yaml
index 1a23060..7b6c341 100644
--- a/backend/openapi/paths/internal/rooms.yaml
+++ b/backend/openapi/paths/internal/rooms.yaml
@@ -25,32 +25,42 @@
                 $ref: '../../components/responses/validation-error.yaml'
             '500':
                 $ref: '../../components/responses/internal-server-error.yaml'
-/rooms/{roomId}/participant-role:
+/rooms/{roomId}/roles:
     get:
-        operationId: getParticipantRole
-        summary: Get participant role in a room
+        operationId: getRoomRolesAndPermissions
+        summary: Get room roles and permissions
         description: >
-            Retrieves the role that a participant will have in a specified OpenVidu Meet room when using the URL thant contains the secret token.
-            This endpoint is useful for checking the participant's role before joining the room.
+            Retrieves the roles and associated permissions that a participant can have in a specified OpenVidu Meet room.
+        tags:
+            - Internal API - Rooms
+        parameters:
+            - $ref: '../../components/parameters/room-id.yaml'
+        responses:
+            '200':
+                $ref: '../../components/responses/internal/success-get-room-roles.yaml'
+            '404':
+                $ref: '../../components/responses/error-room-not-found.yaml'
+            '500':
+                $ref: '../../components/responses/internal-server-error.yaml'
+/rooms/{roomId}/roles/{secret}:
+    get:
+        operationId: getRoomRoleAndPermissions
+        summary: Get room role and permissions
+        description: >
+            Retrieves the role and associated permissions that a participant will have in a specified OpenVidu Meet room
+            when using the URL thant contains the given secret value.
+            This endpoint is useful for checking the participant's role and permissions before joining the room.
         tags:
             - Internal API - Rooms
-        security:
-            - accessTokenCookie: []
         parameters:
             - $ref: '../../components/parameters/room-id.yaml'
             - $ref: '../../components/parameters/internal/secret.yaml'
         responses:
             '200':
-                description: Successfully retrieved participant role
-                content:
-                    application/json:
-                        schema:
-                            type: string
-                            example: 'moderator'
-                            description: The role that the participant will have in the room.
+                $ref: '../../components/responses/internal/success-get-room-role.yaml'
+            '400':
+                $ref: '../../components/responses/internal/error-invalid-room-secret.yaml'
             '404':
                 $ref: '../../components/responses/error-room-not-found.yaml'
-            '422':
-                $ref: '../../components/responses/validation-error.yaml'
             '500':
                 $ref: '../../components/responses/internal-server-error.yaml'
diff --git a/backend/openapi/tags/tags.yaml b/backend/openapi/tags/tags.yaml
index 54ddf68..3b1b231 100644
--- a/backend/openapi/tags/tags.yaml
+++ b/backend/openapi/tags/tags.yaml
@@ -8,5 +8,7 @@
   description: Operations related to managing OpenVidu Meet rooms
 - name: Internal API - Participant
   description: Operations related to managing participants in OpenVidu Meet rooms
+- name: Internal API - Meetings
+  description: Operations related to managing meetings in OpenVidu Meet rooms
 - name: Internal API - Recordings
   description: Operations related to managing OpenVidu Meet recordings