diff --git a/libmxclient/mxclientlib.go b/libmxclient/mxclientlib.go
index c80d31a..5276191 100644
--- a/libmxclient/mxclientlib.go
+++ b/libmxclient/mxclientlib.go
@@ -368,6 +368,24 @@ func apiv0_leaveroom(cid C.int, roomid *C.char) *C.char {
 	return C.CString("SUCCESS.")
 }
 
+//export apiv0_joinroom
+func apiv0_joinroom(cid C.int, roomid *C.char) *C.char {
+	cli, err := getClient(int(cid))
+	if err != nil {
+		return C.CString(fmt.Sprintf("ERR: %v", err))
+	}
+	resp, err := cli.JoinRoomByID(context.Background(), id.RoomID(C.GoString(roomid)))
+	if err != nil {
+		return C.CString(fmt.Sprintf("ERR: %v", err))
+	}
+	out, err := json.Marshal(resp)
+	if err != nil {
+		return C.CString(fmt.Sprintf("ERR: %v", err))
+	}
+	s := string(out)
+	return C.CString(s)
+}
+
 //export apiv0_joinedrooms
 func apiv0_joinedrooms(cid C.int) *C.char {
 	cli, err := getClient(int(cid))
diff --git a/pygomx/build_ffi.py b/pygomx/build_ffi.py
index 2adea06..3e981f8 100644
--- a/pygomx/build_ffi.py
+++ b/pygomx/build_ffi.py
@@ -62,6 +62,7 @@ ffibuilder.cdef(
     extern char* apiv0_sendmessage(int cid, char* data);
     extern char* apiv0_leaveroom(int cid, char* roomid);
     extern char* apiv0_joinedrooms(int cid);
+    extern char* apiv0_joinroom(int cid, char* roomid);
     extern char* apiv0_createroom(int cid, char* data);
     extern char* apiv0_createdm(int cid, char* uid);
     extern char* apiv0_genericrequest(int cid, char* method, char* path, char* data);
diff --git a/pygomx/libmxclient.def b/pygomx/libmxclient.def
index b47f4f1..43cbb50 100644
--- a/pygomx/libmxclient.def
+++ b/pygomx/libmxclient.def
@@ -11,6 +11,7 @@ apiv0_getoptions
 apiv0_getuserdm
 apiv0_initialize
 apiv0_joinedrooms
+apiv0_joinroom
 apiv0_leaveroom
 apiv0_listclients
 apiv0_login
diff --git a/pygomx/src/pygomx/apiv0.py b/pygomx/src/pygomx/apiv0.py
index 578dcab..514e779 100644
--- a/pygomx/src/pygomx/apiv0.py
+++ b/pygomx/src/pygomx/apiv0.py
@@ -65,6 +65,10 @@ class ApiV0Api:
     def getuserdm(cid, userid):
         return _stringresult(lib.apiv0_getuserdm(cid, _autostring(userid)))
 
+    @staticmethod
+    def joinroom(cid, roomid):
+        return _stringresult(lib.apiv0_joinroom(cid, _autostring(roomid)))
+
 
 class ApiV0:
     """ApiV0"""
diff --git a/pygomx/src/pygomx/client.py b/pygomx/src/pygomx/client.py
index a5bd00f..c80395b 100644
--- a/pygomx/src/pygomx/client.py
+++ b/pygomx/src/pygomx/client.py
@@ -88,6 +88,10 @@ class _AsyncClient:
         r = ApiV0Api.joinedrooms(self.client_id)
         return CheckApiResult(r)
 
+    async def joinroom(self, roomid):
+        r = ApiV0Api.joinroom(self.client_id)
+        return CheckApiResult(r)
+
     async def createroom(self, data_dict):
         r = ApiV0Api.createroom(self.client_id, data_dict)
         return CheckApiResult(r)