# List us app to person **GET /v1/Services/{MessagingServiceSid}/Compliance/Usa2p** A service for (fetch/create/delete) A2P Campaign for a Messaging Service ## Servers ## Parameters ### Path parameters - **MessagingServiceSid** (string) The SID of the [Messaging Service](https://www.twilio.com/docs/messaging/services/api) to fetch the resource from. ### Query parameters - **PageSize** (integer) How many resources to return in each list page. The default is 50, and the maximum is 1000. ## Responses ### 200 OK #### Body: (object) - **compliance** (array[object]) - **meta** (object) [Powered by Bump.sh](https://bump.sh)