diff --git a/include/coreinit/userconfig.h b/include/coreinit/userconfig.h
new file mode 100644
index 00000000..1d6f7593
--- /dev/null
+++ b/include/coreinit/userconfig.h
@@ -0,0 +1,181 @@
+#pragma once
+#include <wut.h>
+#include <coreinit/ios.h>
+
+/**
+ * \defgroup coreinit_userconfig User Config
+ * \ingroup coreinit
+ *
+ * @{
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef int32_t UCError;
+typedef struct UCSysConfig UCSysConfig;
+typedef struct UCAsyncParams UCAsyncParams ;
+
+typedef enum UCCommand
+{
+    UC_CMD_READ_SYS_CONFIG       =   0x30,
+    UC_CMD_WRITE_SYS_CONFIG      =   0x31,
+    UC_CMD_DELETE_SYS_CONFIG     =   0x32,
+    UC_CMD_QUERY_SYS_CONFIG      =   0x33,
+    UC_CMD_LIST_SYS_CONFIG       =   0x34
+} UCCommand;
+
+typedef enum UCDataType
+{
+    UC_DATATYPE_UNDEFINED        =   0x00,
+    UC_DATATYPE_UNSIGNED_BYTE    =   0x01,
+    UC_DATATYPE_UNSIGNED_SHORT   =   0x02,
+    UC_DATATYPE_UNSIGNED_INT     =   0x03,
+    UC_DATATYPE_SIGNED_INT       =   0x04,
+    UC_DATATYPE_FLOAT            =   0x05,
+    UC_DATATYPE_STRING           =   0x06,
+    UC_DATATYPE_HEXBINARY        =   0x07,
+    UC_DATATYPE_COMPLEX          =   0x08,
+    UC_DATATYPE_INVALID          =   0xFF
+} UCDataType;
+
+typedef enum UCErrors
+{
+    UC_ERROR_OK                  =   0,
+    UC_ERROR_ERROR               =   -1,
+    UC_ERROR_OTHER               =   -0x200001,
+    UC_ERROR_SYSTEM              =   -0x200002,
+    UC_ERROR_ALLOC               =   -0x200003,
+    UC_ERROR_OPCODE              =   -0x200004,
+    UC_ERROR_INVALID_PARAM       =   -0x200005,
+    UC_ERROR_INVALID_TYPE        =   -0x200006,
+    UC_ERROR_UNSUPPORTED         =   -0x200007,
+    UC_ERROR_NON_LEAF_NODE       =   -0x200008,
+    UC_ERROR_KEY_NOT_FOUND       =   -0x200009,
+    UC_ERROR_MODIFY              =   -0x20000A,
+    UC_ERROR_STRING_TOO_LONG     =   -0x20000B,
+    UC_ERROR_ROOT_KEYS_DIFFER    =   -0x20000C,
+    UC_ERROR_INVALID_LOCATION    =   -0x20000D,
+    UC_ERROR_BAD_COMMENT         =   -0x20000E,
+    UC_ERROR_READ_ACCESS         =   -0x20000F,
+    UC_ERROR_WRITE_ACCESS        =   -0x200010,
+    UC_ERROR_CREATE_ACCESS       =   -0x200011,
+    UC_ERROR_FILE_SYS_NAME       =   -0x200012,
+    UC_ERROR_FILE_SYS_INIT       =   -0x200013,
+    UC_ERROR_FILE_SYS_MOUNT      =   -0x200014,
+    UC_ERROR_FILE_OPEN           =   -0x200015,
+    UC_ERROR_FILE_STAT           =   -0x200016,
+    UC_ERROR_FILE_READ           =   -0x200017,
+    UC_ERROR_FILE_WRITE          =   -0x200018,
+    UC_ERROR_FILE_TOO_BIG        =   -0x200019,
+    UC_ERROR_FILE_REMOVE         =   -0x20001A,
+    UC_ERROR_FILE_RENAME         =   -0x20001B,
+    UC_ERROR_FILE_CLOSE          =   -0x20001C,
+    UC_ERROR_FILE_SEEK           =   -0x20001D,
+    UC_ERROR_FILE_CONFIRM        =   -0x20001E,
+    UC_ERROR_FILE_BACKUP         =   -0x20001F,
+    UC_ERROR_MALFORMED_XML       =   -0x200020,
+    UC_ERROR_VERSION             =   -0x200021,
+    UC_ERROR_NO_IPC_BUFFERS      =   -0x200022,
+    UC_ERROR_FILE_LOCK_NEEDED    =   -0x200024,
+    UC_ERROR_SYS_PROT            =   -0x200028
+} UCErrors;
+
+typedef enum UCFileSys
+{
+    UC_FILE_SYS_INVALID           =      0x00,
+    UC_FILE_SYS_SYS               =      0x01,
+    UC_FILE_SYS_SLC               =      0x02,
+    UC_FILE_SYS_RAM               =      0x03
+} UCFileSys;
+
+#pragma pack(push, 1)
+struct UCSysConfig
+{
+    char name[64];
+    uint32_t access;
+    UCDataType dataType;
+    UCError error;
+    uint32_t dataSize;
+    void* data;
+};
+#pragma pack(pop)
+WUT_CHECK_OFFSET(UCSysConfig, 0x00, name);
+WUT_CHECK_OFFSET(UCSysConfig, 0x40, access);
+WUT_CHECK_OFFSET(UCSysConfig, 0x44, dataType);
+WUT_CHECK_OFFSET(UCSysConfig, 0x48, error);
+WUT_CHECK_OFFSET(UCSysConfig, 0x4C, dataSize);
+WUT_CHECK_OFFSET(UCSysConfig, 0x50, data);
+WUT_CHECK_SIZE(UCSysConfig, 0x54);
+
+typedef void (*UCAsyncCallbackFn)(UCError result,
+                                  UCCommand command,
+                                  uint32_t count,
+                                  UCSysConfig* settings,
+                                  void* context);
+#pragma pack(push, 1)
+struct UCAsyncParams
+{
+    UCAsyncCallbackFn callback;
+    void * context;
+    UCCommand command;
+    uint32_t unk0x0C;
+    uint32_t count;
+    UCSysConfig* settings;
+    IOSVec* vecs;
+};
+#pragma pack(pop)
+WUT_CHECK_OFFSET(UCAsyncParams, 0x00, callback);
+WUT_CHECK_OFFSET(UCAsyncParams, 0x04, context);
+WUT_CHECK_OFFSET(UCAsyncParams, 0x08, command);
+WUT_CHECK_OFFSET(UCAsyncParams, 0x0C, unk0x0C);
+WUT_CHECK_OFFSET(UCAsyncParams, 0x10, count);
+WUT_CHECK_OFFSET(UCAsyncParams, 0x14, settings);
+WUT_CHECK_OFFSET(UCAsyncParams, 0x18, vecs);
+WUT_CHECK_SIZE(UCAsyncParams, 0x1C);
+
+UCError
+UCOpen();
+
+UCError
+UCClose(IOSHandle handle);
+
+UCError
+UCDeleteSysConfig(int32_t handle,
+                  uint32_t count,
+                  UCSysConfig* settings);
+
+UCError
+UCDeleteSysConfigAsync(int32_t handle,
+                       uint32_t count,
+                       UCSysConfig* settings,
+                       UCAsyncParams* asyncParams);
+
+UCError
+UCReadSysConfig(int32_t handle,
+                uint32_t count,
+                UCSysConfig* settings);
+
+UCError
+UCReadSysConfigAsync(int32_t handle,
+                     uint32_t count,
+                     UCSysConfig* settings,
+                     UCAsyncParams* asyncParams);
+
+UCError
+UCWriteSysConfig(int32_t handle,
+                 uint32_t count,
+                 UCSysConfig* settings);
+
+UCError
+UCWriteSysConfigAsync(int32_t handle,
+                      uint32_t count,
+                      UCSysConfig* settings,
+                      UCAsyncParams* asyncParams);
+
+#ifdef __cplusplus
+}
+#endif
+
+/** @} */
\ No newline at end of file
diff --git a/tests/test_compile_headers_common/test_compile_headers_list.h b/tests/test_compile_headers_common/test_compile_headers_list.h
index 9749a482..547fb74f 100644
--- a/tests/test_compile_headers_common/test_compile_headers_list.h
+++ b/tests/test_compile_headers_common/test_compile_headers_list.h
@@ -43,6 +43,7 @@
 #include <coreinit/threadqueue.h>
 #include <coreinit/time.h>
 #include <coreinit/title.h>
+#include <coreinit/userconfig.h>
 #include <dmae/mem.h>
 #include <dmae/sync.h>
 #include <gx2/clear.h>