GET/api/im/contacts/blockedGet blocked users listGET/api/im/contacts/friendsList friendsPOST/api/im/contacts/requestSend friend requestGET/api/im/contacts/requests/receivedList pending received friend requestsGET/api/im/contacts/requests/sentList pending sent friend requestsPOST/api/im/contacts/requests/{id}/acceptAccept friend requestPOST/api/im/contacts/requests/{id}/rejectReject friend requestPOST/api/im/contacts/{userId}/blockBlock userDELETE/api/im/contacts/{userId}/blockUnblock user