diff --git a/docs/reference/matrix-glib/matrix-glib-sections.txt b/docs/reference/matrix-glib/matrix-glib-sections.txt
index 84eb8cf..1b794de 100644
--- a/docs/reference/matrix-glib/matrix-glib-sections.txt
+++ b/docs/reference/matrix-glib/matrix-glib-sections.txt
@@ -19,6 +19,10 @@ matrix_client_get_type
 <FILE>matrix-api-types</FILE>
 <TITLE>Fundamental types for MatrixAPI</TITLE>
 
+<SUBSECTION>
+MatrixAPIError
+MATRIX_API_ERROR
+
 <SUBSECTION>
 MatrixAPIEventFormat
 
@@ -216,10 +220,6 @@ matrix_api_add_room_tag
 <SUBSECTION>
 matrix_api_get_turn_server
 
-<SUBSECTION>
-MatrixAPIError
-MATRIX_API_ERROR
-
 <SUBSECTION>
 MatrixAPIStateEvent
 
diff --git a/src/matrix-api-types.c b/src/matrix-api-types.c
index d546da3..0c423b7 100644
--- a/src/matrix-api-types.c
+++ b/src/matrix-api-types.c
@@ -28,6 +28,36 @@
  * communication with the homeserver.
  */
 
+/**
+ * MatrixAPIError:
+ * @MATRIX_API_ERROR_NONE: no error
+ * @MATRIX_API_ERROR_MISSING_TOKEN: authorization token is missing
+ *                                  from the request
+ * @MATRIX_API_ERROR_FORBIDDEN: access was forbidden (e.g. due to a
+ *                              missing/invalid token, or using a bad
+ *                              password during login)
+ * @MATRIX_API_ERROR_UNKNOWN: an error unknown to the Matrix server
+ * @MATRIX_API_ERROR_UNKNOWN_ERROR: an error unknown to this library
+ *
+ * Value mappings from Matrix.org API error codes
+ * (e.g. <code>M_MISSING_TOKEN</code>). They should be set
+ * automatically by API calls, if the response contains an error code.
+ */
+
+/**
+ * MATRIX_API_ERROR:
+ *
+ * Error domain for Matrix GLib SDK API. See #GError for more
+ * information on error domains.
+ */
+
+/**
+ * matrix_api_error_quark:
+ *
+ * Gets the Matrix API error #GQuark
+ */
+G_DEFINE_QUARK(matrix-api-error-quark, matrix_api_error);
+
 /**
  * MatrixAPIEventFormat:
  * @MATRIX_API_EVENT_FORMAT_DEFAULT: event format will be omitted from
diff --git a/src/matrix-api-types.h b/src/matrix-api-types.h
index 28c32c8..4181227 100644
--- a/src/matrix-api-types.h
+++ b/src/matrix-api-types.h
@@ -24,6 +24,19 @@
 
 G_BEGIN_DECLS
 
+typedef enum {
+    MATRIX_API_ERROR_NONE,
+    MATRIX_API_ERROR_MISSING_TOKEN,
+    MATRIX_API_ERROR_FORBIDDEN,
+    MATRIX_API_ERROR_UNKNOWN,
+    /* Allow for a lot of Matrix.org defined codes
+       Do not define error codes after this! */
+    MATRIX_API_ERROR_UNKNOWN_ERROR = 16384
+} MatrixAPIError;
+
+#define MATRIX_API_ERROR matrix_api_error_quark()
+GQuark matrix_api_error_quark(void);
+
 typedef enum {
     MATRIX_API_EVENT_FORMAT_DEFAULT,
     MATRIX_API_EVENT_FORMAT_CLIENT,
diff --git a/src/matrix-api.c b/src/matrix-api.c
index b5513ec..6c9de8e 100644
--- a/src/matrix-api.c
+++ b/src/matrix-api.c
@@ -75,29 +75,6 @@
  * A callback function to use with API calls.
  */
 
-/**
- * MatrixAPIError:
- * @MATRIX_API_ERROR_NONE: no error
- * @MATRIX_API_ERROR_MISSING_TOKEN: authorization token is missing
- *                                  from the request
- * @MATRIX_API_ERROR_FORBIDDEN: access was forbidden (e.g. due to a
- *                              missing/invalid token, or using a bad
- *                              password during login)
- * @MATRIX_API_ERROR_UNKNOWN: an error unknown to the Matrix server
- * @MATRIX_API_ERROR_UNKNOWN_ERROR: an error unknown to this library
- *
- * Value mappings from Matrix.org API error codes
- * (e.g. <code>M_MISSING_TOKEN</code>). They should be set
- * automatically by API calls, if the response contains an error code.
- */
-
-/**
- * MATRIX_API_ERROR:
- *
- * Error domain for Matrix GLib SDK API. See #GError for more
- * information on error domains.
- */
-
 /**
  * MatrixAPIRoomPreset:
  * @MATRIX_API_ROOM_PRESET_NONE: no preset
@@ -291,13 +268,6 @@
  * A struct to hold a state event filter.
  */
 
-/**
- * matrix_api_error_quark:
- *
- * Gets the Matrix API error #GQuark
- */
-G_DEFINE_QUARK(matrix-api-error-quark, matrix_api_error);
-
 G_DEFINE_INTERFACE(MatrixAPI, matrix_api, G_TYPE_OBJECT);
 
 static void
diff --git a/src/matrix-api.h b/src/matrix-api.h
index 17913cc..cb1db98 100644
--- a/src/matrix-api.h
+++ b/src/matrix-api.h
@@ -26,19 +26,6 @@
 
 G_BEGIN_DECLS
 
-typedef enum {
-    MATRIX_API_ERROR_NONE,
-    MATRIX_API_ERROR_MISSING_TOKEN,
-    MATRIX_API_ERROR_FORBIDDEN,
-    MATRIX_API_ERROR_UNKNOWN,
-    /* Allow for a lot of Matrix.org defined codes
-       Do not define error codes after this! */
-    MATRIX_API_ERROR_UNKNOWN_ERROR = 16384
-} MatrixAPIError;
-
-#define MATRIX_API_ERROR matrix_api_error_quark()
-GQuark matrix_api_error_quark(void);
-
 #define MATRIX_TYPE_API         (matrix_api_get_type())
 #define MATRIX_API(o)           (G_TYPE_CHECK_INSTANCE_CAST((o), MATRIX_TYPE_API, MatrixAPI))
 #define MATRIX_IS_API(o)        (G_TYPE_CHECK_INSTANCE_TYPE((o), MATRIX_TYPE_API))