diff --git a/docs/reference/matrix-glib-sdk/matrix-glib-sdk-sections.txt b/docs/reference/matrix-glib-sdk/matrix-glib-sdk-sections.txt
index 8dba3a1..d36d076 100644
--- a/docs/reference/matrix-glib-sdk/matrix-glib-sdk-sections.txt
+++ b/docs/reference/matrix-glib-sdk/matrix-glib-sdk-sections.txt
@@ -10,6 +10,7 @@ matrix_api_get_3pids
 matrix_api_add_3pid
 matrix_api_deactivate_account
 matrix_api_change_password
+matrix_api_whoami
 matrix_api_get_profile
 matrix_api_get_avatar_url
 matrix_api_set_avatar_url
diff --git a/src/matrix-api.c b/src/matrix-api.c
index 558f88a..e2cf016 100644
--- a/src/matrix-api.c
+++ b/src/matrix-api.c
@@ -38,6 +38,7 @@
  * @add_3pid: the virtual function pointer to matrix_api_add_3pid()
  * @deactivate_account: the virtual function pointer to matrix_api_deactivate_account()
  * @change_password: the virtual function pointer to matrix_api_change_password()
+ * @whoami: the virtual function pointer to matrix_api_whoami()
  * @get_profile: the virtual function pointer to matrix_api_get_profile()
  * @get_avatar_url: the virtual function pointer to matrix_api_get_avatar_url()
  * @set_avatar_url: the virtual function pointer to matrix_api_set_avatar_url()
@@ -231,6 +232,26 @@ matrix_api_change_password(MatrixAPI *matrix_api,
     MATRIX_API_GET_IFACE(matrix_api)->change_password(matrix_api, callback, user_data, new_password, error);
 }
 
+/**
+ * matrix_api_whoami:
+ * @api: a #MatrixAPI
+ * @callback: the function to call when the request is finished
+ * @user_data: user data to be passed to @callback
+ * @error: (nullable): a #GError, or %NULL to ignore errors
+ *
+ * Get the user’s Matrix ID.
+ */
+void
+matrix_api_whoami(MatrixAPI *api,
+                  MatrixAPICallback callback,
+                  gpointer user_data,
+                  GError **error)
+{
+    g_return_if_fail(api != NULL);
+
+    MATRIX_API_GET_IFACE(api)->whoami(api, callback, user_data, error);
+}
+
 /**
  * matrix_api_get_profile:
  * @api: a #MatrixAPI
diff --git a/src/matrix-api.h b/src/matrix-api.h
index b8d9f24..da3d1d7 100644
--- a/src/matrix-api.h
+++ b/src/matrix-api.h
@@ -66,6 +66,10 @@ struct _MatrixAPIInterface {
                             gpointer user_data,
                             const gchar *new_password,
                             GError **error);
+    void (*whoami)(MatrixAPI *api,
+                   MatrixAPICallback callback,
+                   gpointer user_data,
+                   GError **error);
     void (*get_profile)(MatrixAPI *api,
                         MatrixAPICallback callback,
                         gpointer user_data,
@@ -483,6 +487,10 @@ void matrix_api_change_password(MatrixAPI *api,
                                 MatrixAPICallback callback,
                                 gpointer user_data,
                                 GError **error);
+void matrix_api_whoami(MatrixAPI *api,
+                       MatrixAPICallback callback,
+                       gpointer user_data,
+                       GError **error);
 void matrix_api_get_profile(MatrixAPI *api,
                             const gchar *user_id,
                             MatrixAPICallback callback,
diff --git a/src/matrix-http-api.c b/src/matrix-http-api.c
index 6074521..0d93227 100644
--- a/src/matrix-http-api.c
+++ b/src/matrix-http-api.c
@@ -2161,6 +2161,15 @@ matrix_http_api_get_turn_server(MatrixAPI *matrix_api, MatrixAPICallback cb, voi
                           NULL, NULL, NULL, NULL, FALSE, error);
 }
 
+static void
+whoami(MatrixAPI *api, MatrixAPICallback cb, void *cb_target, GError **error)
+{
+    _matrix_http_api_send(MATRIX_HTTP_API(api),
+                          cb, cb_target,
+                          CALL_TYPE_API, "GET", "account/whoami",
+                          NULL, NULL, NULL, NULL, FALSE, error);
+}
+
 static void
 matrix_http_api_abort_pending (MatrixAPI *matrix_api)
 {
@@ -2530,6 +2539,7 @@ matrix_http_api_matrix_api_interface_init(MatrixAPIInterface * iface)
     iface->get_token = matrix_http_api_get_token;
     iface->set_token = matrix_http_api_set_token;
     iface->get_homeserver = matrix_http_api_get_homeserver;
+    iface->whoami = whoami;
 }
 
 static void