diff --git a/doomsday/engine/api/api_resource.h b/doomsday/engine/api/api_resource.h
new file mode 100644
index 0000000000..6ca3f74a6a
--- /dev/null
+++ b/doomsday/engine/api/api_resource.h
@@ -0,0 +1,129 @@
+#ifndef DOOMSDAY_API_RESOURCE_H
+#define DOOMSDAY_API_RESOURCE_H
+
+#include "apis.h"
+#include "api_uri.h"
+#include "dd_share.h"
+
+DENG_API_TYPEDEF(R)
+{
+    de_api_t api;
+
+    patchid_t (*DeclarePatch)(const char* name);
+
+    /**
+     * Retrieve extended info for the patch associated with @a id.
+     *
+     * @param id  Unique identifier of the patch to lookup.
+     * @param info  Extend info will be written here if found.
+     * @return  @c true: Extended info for this patch was found.
+     */
+    boolean (*GetPatchInfo)(patchid_t id, patchinfo_t* info);
+
+    /// @return  Uri for the patch associated with @a id. Should be released with Uri_Delete()
+    Uri* (*ComposePatchUri)(patchid_t id);
+
+    /// @return  Path for the patch associated with @a id. A zero-length string is
+    ///          returned if the id is invalid/unknown.
+    AutoStr* (*ComposePatchPath)(patchid_t id);
+
+    /**
+     * Create a new animation group.
+     * @return  Logical (unique) identifier reference associated with the new group.
+     */
+    int (*CreateAnimGroup)(int flags);
+
+    /**
+     * Append a new @a texture frame to the identified @a animGroupNum.
+     *
+     * @param animGroupNum  Logical identifier reference to the group being modified.
+     * @param texture  Texture frame to be inserted into the group.
+     * @param tics  Base duration of the new frame in tics.
+     * @param randomTics  Extra frame duration in tics (randomized on each cycle).
+     */
+    void (*AddAnimGroupFrame)(int groupNum, const Uri* texture, int tics, int randomTics);
+
+    /**
+     * Add a new (named) color palette.
+     *
+     * The idea with the two-teered implementation is to allow maximum flexibility.
+     * Within the engine we can create new palettes and manipulate them directly
+     * via the DGL interface. The underlying implementation is wrapped in a similar
+     * way to the materials so that publically, there is a set of (eternal) names
+     * and unique identifiers that survive game and GL resets.
+     *
+     * @param fmt  Format string describes the format of @p data.
+     *      Expected form: "C#C#C"
+     *      C = color component, one of R, G, B.
+     *      # = bits per component.
+     *
+     * @param name  Unique name by which the palette will be known.
+     * @param colorData  Color component triplets (at least @a colorCount * 3 values).
+     * @param colorCount  Number of colors.
+     *
+     * @return  Color palette id.
+     */
+    colorpaletteid_t (*CreateColorPalette)(const char* fmt, const char* name, const uint8_t* colorData, int colorCount);
+
+    /**
+     * Given a color palette name, look up the associated identifier.
+     *
+     * @param name Unique name of the palette to locate.
+     * @return  Identifier of the palette associated with this name, else @c 0
+     */
+    colorpaletteid_t (*GetColorPaletteNumForName)(const char* name);
+
+    /**
+     * Given a color palette id, look up the specified unique name.
+     *
+     * @param id  Id of the color palette to locate.
+     * @return  Pointer to the unique name associated with the specified id else @c NULL
+     */
+    const char* (*GetColorPaletteNameForNum)(colorpaletteid_t id);
+
+    /**
+     * Given a color palette index, calculate the equivalent RGB color.
+     *
+     * @param id  Id of the ColorPalette to use.
+     * @param colorIdx  ColorPalette color index.
+     * @param rgb  Final color will be written back here.
+     * @param applyTexGamma  @c true: the texture gamma ramp should be applied.
+     */
+    void (*GetColorPaletteRGBf)(colorpaletteid_t id, int colorIdx, float rgb[3], boolean applyTexGamma);
+
+    /**
+     * Given a color palette index, calculate the equivalent RGB color.
+     *
+     * @param id  Id of the ColorPalette to use.
+     * @param colorIdx  ColorPalette color index.
+     * @param rgb  Final color will be written back here.
+     * @param applyTexGamma  @c true= the texture gamma ramp should be applied.
+     */
+    void (*GetColorPaletteRGBubv)(colorpaletteid_t id, int colorIdx, uint8_t rgb[3], boolean applyTexGamma);
+
+    int (*TextureUniqueId)(const Uri* uri); /*quiet=false*/
+    int (*TextureUniqueId2)(const Uri* uri, boolean quiet);
+}
+DENG_API_T(R);
+
+#ifndef DENG_NO_API_MACROS_RESOURCE
+#define R_DeclarePatch                  _api_R.DeclarePatch
+#define R_GetPatchInfo                  _api_R.GetPatchInfo
+#define R_ComposePatchUri               _api_R.ComposePatchUri
+#define R_ComposePatchPath              _api_R.ComposePatchPath
+#define R_CreateAnimGroup               _api_R.CreateAnimGroup
+#define R_AddAnimGroupFrame             _api_R.AddAnimGroupFrame
+#define R_CreateColorPalette            _api_R.CreateColorPalette
+#define R_GetColorPaletteNumForName		_api_R.GetColorPaletteNumForName
+#define R_GetColorPaletteNameForNum		_api_R.GetColorPaletteNameForNum
+#define R_GetColorPaletteRGBf           _api_R.GetColorPaletteRGBf
+#define R_GetColorPaletteRGBubv         _api_R.GetColorPaletteRGBubv
+#define Textures_UniqueId               _api_R.TextureUniqueId
+#define Textures_UniqueId2              _api_R.TextureUniqueId2
+#endif
+
+#ifdef __DOOMSDAY__
+DENG_USING_API(R);
+#endif
+
+#endif // DOOMSDAY_API_RESOURCE_H
diff --git a/doomsday/engine/api/doomsday.h b/doomsday/engine/api/doomsday.h
index 413527256d..b5451fa523 100644
--- a/doomsday/engine/api/doomsday.h
+++ b/doomsday/engine/api/doomsday.h
@@ -75,6 +75,7 @@ struct font_s;
 #include "api_svg.h"
 #include "api_sound.h"
 #include "api_render.h"
+#include "api_resource.h"
 #include "api_map.h"
 #include "api_mapedit.h"
 #include "api_client.h"
@@ -149,27 +150,6 @@ extern "C" {
  * @defgroup render Renderer
  */
 
-// R (Resource)
-
-patchid_t R_DeclarePatch(const char* name);
-boolean R_GetPatchInfo(patchid_t id, patchinfo_t* info);
-Uri* R_ComposePatchUri(patchid_t id);
-AutoStr* R_ComposePatchPath(patchid_t id);
-
-int Textures_UniqueId2(const Uri* uri, boolean quiet);
-int Textures_UniqueId(const Uri* uri); /*quiet=false*/
-
-int R_CreateAnimGroup(int flags);
-void R_AddAnimGroupFrame(int groupNum, const Uri* texture, int tics, int randomTics);
-
-colorpaletteid_t R_CreateColorPalette(const char* fmt, const char* name, const uint8_t* colorData, int colorCount);
-colorpaletteid_t R_GetColorPaletteNumForName(const char* name);
-const char* R_GetColorPaletteNameForNum(colorpaletteid_t id);
-
-void R_GetColorPaletteRGBubv(colorpaletteid_t id, int colorIdx, uint8_t rgb[3], boolean applyTexGamma);
-void R_GetColorPaletteRGBf(colorpaletteid_t id, int colorIdx, float rgb[3], boolean applyTexGamma);
-
-
 #ifdef __cplusplus
 } // extern "C"
 #endif
diff --git a/doomsday/engine/engine.pro b/doomsday/engine/engine.pro
index 7d85ba97bc..870e909a06 100644
--- a/doomsday/engine/engine.pro
+++ b/doomsday/engine/engine.pro
@@ -97,6 +97,7 @@ DENG_API_HEADERS = \
     api/api_player.h \
     api/api_plugin.h \
     api/api_render.h \
+    api/api_resource.h \
     api/api_resourceclass.h \
     api/api_sound.h \
     api/api_svg.h \
@@ -426,7 +427,7 @@ deng_nodisplaymode {
 # Platform-independent sources.
 SOURCES += \
     src/api_material.cpp \
-    src/render/api_render.c \
+    src/api_uri.cpp \
     src/audio/audiodriver.cpp \
     src/audio/audiodriver_music.c \
     src/audio/m_mus2midi.c \
@@ -544,6 +545,7 @@ SOURCES += \
     src/network/sys_network.c \
     src/network/ui_mpi.c \
     src/r_util.c \
+    src/render/api_render.c \
     src/render/lumobj.cpp \
     src/render/r_draw.cpp \
     src/render/r_fakeradio.c \
@@ -570,6 +572,7 @@ SOURCES += \
     src/render/vignette.c \
     src/render/vlight.cpp \
     src/resource/animgroups.cpp \
+    src/resource/api_resource.c \
     src/resource/bitmapfont.cpp \
     src/resource/colorpalette.c \
     src/resource/colorpalettes.cpp \
@@ -634,8 +637,7 @@ SOURCES += \
     src/updater/updaterdialog.cpp \
     src/updater/updatersettings.cpp \
     src/updater/updatersettingsdialog.cpp \
-    src/uri.cpp \
-    src/uri_wrapper.cpp
+    src/uri.cpp
 
 !deng_nosdlmixer:!deng_nosdl {
     HEADERS += include/audio/sys_audiod_sdlmixer.h
diff --git a/doomsday/engine/include/de_resource.h b/doomsday/engine/include/de_resource.h
index 287c525297..78f2b88f7a 100644
--- a/doomsday/engine/include/de_resource.h
+++ b/doomsday/engine/include/de_resource.h
@@ -46,4 +46,6 @@
 #  include "resource/zip.h"
 #endif
 
+#include "api_resource.h"
+
 #endif /* LIBDENG_RESOURCE_SUBSYSTEM_H */
diff --git a/doomsday/engine/include/resource/animgroups.h b/doomsday/engine/include/resource/animgroups.h
index f330b6b0d9..8adb798b0d 100644
--- a/doomsday/engine/include/resource/animgroups.h
+++ b/doomsday/engine/include/resource/animgroups.h
@@ -60,22 +60,6 @@ void R_ClearAnimGroups(void);
 /// @return  AnimGroup associated with @a animGroupNum else @c NULL
 animgroup_t const *R_ToAnimGroup(int animGroupNum);
 
-/**
- * Create a new animation group.
- * @return  Logical (unique) identifier reference associated with the new group.
- */
-int R_CreateAnimGroup(int flags);
-
-/**
- * Append a new @a texture frame to the identified @a animGroupNum.
- *
- * @param animGroupNum  Logical identifier reference to the group being modified.
- * @param texture  Texture frame to be inserted into the group.
- * @param tics  Base duration of the new frame in tics.
- * @param randomTics  Extra frame duration in tics (randomized on each cycle).
- */
-void R_AddAnimGroupFrame(int animGroupNum, Uri const *texture, int tics, int randomTics);
-
 /// @return  @c true iff @a texture is linked to the identified @a animGroupNum.
 boolean R_IsTextureInAnimGroup(Uri const *texture, int animGroupNum);
 
diff --git a/doomsday/engine/include/resource/colorpalettes.h b/doomsday/engine/include/resource/colorpalettes.h
index ac46fecd1d..92117fd8fb 100644
--- a/doomsday/engine/include/resource/colorpalettes.h
+++ b/doomsday/engine/include/resource/colorpalettes.h
@@ -59,70 +59,6 @@ colorpalette_t *R_ToColorPalette(colorpaletteid_t id);
  */
 colorpalette_t *R_GetColorPaletteByIndex(int paletteIdx);
 
-/**
- * Add a new (named) color palette.
- * @note Part of the Doomsday public API.
- *
- * The idea with the two-teered implementation is to allow maximum flexibility.
- * Within the engine we can create new palettes and manipulate them directly
- * via the DGL interface. The underlying implementation is wrapped in a similar
- * way to the materials so that publically, there is a set of (eternal) names
- * and unique identifiers that survive game and GL resets.
- *
- * @param fmt  Format string describes the format of @p data.
- *      Expected form: "C#C#C"
- *      C = color component, one of R, G, B.
- *      # = bits per component.
- *
- * @param name  Unique name by which the palette will be known.
- * @param colorData  Color component triplets (at least @a colorCount * 3 values).
- * @param colorCount  Number of colors.
- *
- * @return  Color palette id.
- */
-colorpaletteid_t R_CreateColorPalette(char const *fmt, char const *name,
-    uint8_t const *colorData, int colorCount);
-
-/**
- * Given a color palette id, look up the specified unique name.
- * @note Part of the Doomsday public API.
- *
- * @param id  Id of the color palette to locate.
- * @return  Pointer to the unique name associated with the specified id else @c NULL
- */
-char const *R_GetColorPaletteNameForNum(colorpaletteid_t id);
-
-/**
- * Given a color palette name, look up the associated identifier.
- * @note Part of the Doomsday public API.
- *
- * @param name Unique name of the palette to locate.
- * @return  Identifier of the palette associated with this name, else @c 0
- */
-colorpaletteid_t R_GetColorPaletteNumForName(char const *name);
-
-/**
- * Given a color palette index, calculate the equivalent RGB color.
- * @note Part of the Doomsday public API.
- *
- * @param id  Id of the ColorPalette to use.
- * @param colorIdx  ColorPalette color index.
- * @param rgb  Final color will be written back here.
- * @param correctGamma  @c true= the texture gamma ramp should be applied.
- */
-void R_GetColorPaletteRGBubv(colorpaletteid_t id, int colorIdx, uint8_t rgb[3], boolean correctGamma);
-
-/**
- * Given a color palette index, calculate the equivalent RGB color.
- * @note Part of the Doomsday public API.
- *
- * @param id  Id of the ColorPalette to use.
- * @param colorIdx  ColorPalette color index.
- * @param rgb  Final color will be written back here.
- * @param correctGamma  @c true= the texture gamma ramp should be applied.
- */
-void R_GetColorPaletteRGBf(colorpaletteid_t id, int colorIdx, float rgb[3], boolean correctGamma);
-
 /**
  * Change the default color palette.
  *
diff --git a/doomsday/engine/include/resource/r_data.h b/doomsday/engine/include/resource/r_data.h
index e9db9b7eaf..d1015cd675 100644
--- a/doomsday/engine/include/resource/r_data.h
+++ b/doomsday/engine/include/resource/r_data.h
@@ -67,22 +67,6 @@ void R_InitCompositeTextures(void);
 void R_InitFlatTextures(void);
 void R_InitSpriteTextures(void);
 
-patchid_t R_DeclarePatch(char const *name);
-
-/**
- * Retrieve extended info for the patch associated with @a id.
- * @param id  Unique identifier of the patch to lookup.
- * @param info  Extend info will be written here if found.
- * @return  @c true= Extended info for this patch was found.
- */
-boolean R_GetPatchInfo(patchid_t id, patchinfo_t *info);
-
-/// @return  Uri for the patch associated with @a id. Should be released with Uri_Delete()
-Uri *R_ComposePatchUri(patchid_t id);
-
-/// @return  Path for the patch associated with @a id. A zero-length string is
-///          returned if the id is invalid/unknown.
-AutoStr *R_ComposePatchPath(patchid_t id);
 #ifdef __cplusplus
 } // extern "C"
 #endif
diff --git a/doomsday/engine/include/resource/textures.h b/doomsday/engine/include/resource/textures.h
index b9b0ceba63..4013222952 100644
--- a/doomsday/engine/include/resource/textures.h
+++ b/doomsday/engine/include/resource/textures.h
@@ -277,9 +277,6 @@ void Textures_Init(void);
 /// Shutdown this module.
 void Textures_Shutdown(void);
 
-int Textures_UniqueId2(Uri const *uri, boolean quiet);
-int Textures_UniqueId(Uri const *uri/*, quiet = false */);
-
 #ifdef __cplusplus
 } // extern "C"
 #endif
diff --git a/doomsday/engine/src/uri_wrapper.cpp b/doomsday/engine/src/api_uri.cpp
similarity index 98%
rename from doomsday/engine/src/uri_wrapper.cpp
rename to doomsday/engine/src/api_uri.cpp
index 848ca736c6..4d271d5384 100644
--- a/doomsday/engine/src/uri_wrapper.cpp
+++ b/doomsday/engine/src/api_uri.cpp
@@ -1,6 +1,6 @@
 /**
- * @file uri_wrapper.cpp
- * Universal Resource Identifier (C wrapper). @ingroup base
+ * @file api_uri.cpp
+ * Universal Resource Identifier (public C wrapper). @ingroup base
  *
  * @author Copyright &copy; 2010-2012 Daniel Swanson <danij@dengine.net>
  * @author Copyright &copy; 2010-2012 Jaakko Keränen <jaakko.keranen@iki.fi>
diff --git a/doomsday/engine/src/library.cpp b/doomsday/engine/src/library.cpp
index 410b0be832..51016df124 100644
--- a/doomsday/engine/src/library.cpp
+++ b/doomsday/engine/src/library.cpp
@@ -35,6 +35,7 @@
 #include "api_materialarchive.h"
 #include "api_map.h"
 #include "api_mapedit.h"
+#include "api_resource.h"
 #include "api_sound.h"
 #include "api_fontrender.h"
 #include "api_svg.h"
@@ -198,6 +199,7 @@ void Library_PublishAPIs(Library *lib)
         PUBLISH(_api_MaterialArchive);
         PUBLISH(_api_Player);
         PUBLISH(_api_Plug);
+        PUBLISH(_api_R);
         PUBLISH(_api_S);
         PUBLISH(_api_Thinker);
         PUBLISH(_api_Uri);
diff --git a/doomsday/engine/src/resource/animgroups.cpp b/doomsday/engine/src/resource/animgroups.cpp
index b208fb07b9..53768fb405 100644
--- a/doomsday/engine/src/resource/animgroups.cpp
+++ b/doomsday/engine/src/resource/animgroups.cpp
@@ -73,8 +73,8 @@ int R_AnimGroupCount()
     return numgroups;
 }
 
-/// @note Part of the Doomsday public API.
-int R_CreateAnimGroup(int flags)
+#undef R_CreateAnimGroup
+DENG_EXTERN_C int R_CreateAnimGroup(int flags)
 {
     // Allocating one by one is inefficient but it doesn't really matter.
     groups = (animgroup_t *) Z_Realloc(groups, sizeof(*groups) * ++numgroups, PU_APPSTATIC);
@@ -90,8 +90,8 @@ int R_CreateAnimGroup(int flags)
     return group->id;
 }
 
-/// @note Part of the Doomsday public API.
-void R_AddAnimGroupFrame(int groupNum, uri_s const *textureUri, int tics, int randomTics)
+#undef R_AddAnimGroupFrame
+DENG_EXTERN_C void R_AddAnimGroupFrame(int groupNum, uri_s const *textureUri, int tics, int randomTics)
 {
     LOG_AS("R_AddAnimGroupFrame");
 
diff --git a/doomsday/engine/src/resource/api_resource.c b/doomsday/engine/src/resource/api_resource.c
new file mode 100644
index 0000000000..fcb88e276f
--- /dev/null
+++ b/doomsday/engine/src/resource/api_resource.c
@@ -0,0 +1,42 @@
+#define DENG_NO_API_MACROS_RESOURCE
+#include "api_resource.h"
+
+// animgroups.cpp
+DENG_EXTERN_C int R_CreateAnimGroup(int flags);
+DENG_EXTERN_C void R_AddAnimGroupFrame(int animGroupNum, Uri const *texture, int tics, int randomTics);
+
+// colorpalettes.cpp
+DENG_EXTERN_C colorpaletteid_t R_CreateColorPalette(char const *fmt, char const *name, uint8_t const *colorData, int colorCount);
+DENG_EXTERN_C char const *R_GetColorPaletteNameForNum(colorpaletteid_t id);
+DENG_EXTERN_C colorpaletteid_t R_GetColorPaletteNumForName(char const *name);
+DENG_EXTERN_C void R_GetColorPaletteRGBubv(colorpaletteid_t id, int colorIdx, uint8_t rgb[3], boolean correctGamma);
+DENG_EXTERN_C void R_GetColorPaletteRGBf(colorpaletteid_t id, int colorIdx, float rgb[3], boolean correctGamma);
+
+// r_data.cpp
+DENG_EXTERN_C patchid_t R_DeclarePatch(char const *name);
+DENG_EXTERN_C boolean R_GetPatchInfo(patchid_t id, patchinfo_t *info);
+DENG_EXTERN_C struct uri_s *R_ComposePatchUri(patchid_t id);
+DENG_EXTERN_C AutoStr *R_ComposePatchPath(patchid_t id);
+
+// textures.cpp
+DENG_EXTERN_C int Textures_UniqueId2(Uri const *uri, boolean quiet);
+DENG_EXTERN_C int Textures_UniqueId(Uri const *uri/*, quiet = false */);
+
+DENG_DECLARE_API(R) =
+{
+    { DE_API_RESOURCE },
+    R_DeclarePatch,
+    R_GetPatchInfo,
+    R_ComposePatchUri,
+    R_ComposePatchPath,
+    R_CreateAnimGroup,
+    R_AddAnimGroupFrame,
+    R_CreateColorPalette,
+    R_GetColorPaletteNumForName,
+    R_GetColorPaletteNameForNum,
+    R_GetColorPaletteRGBf,
+    R_GetColorPaletteRGBubv,
+    Textures_UniqueId,
+    Textures_UniqueId2,
+};
+
diff --git a/doomsday/engine/src/resource/colorpalettes.cpp b/doomsday/engine/src/resource/colorpalettes.cpp
index d2b5da8fed..9c6460e3b0 100644
--- a/doomsday/engine/src/resource/colorpalettes.cpp
+++ b/doomsday/engine/src/resource/colorpalettes.cpp
@@ -184,7 +184,8 @@ boolean R_SetDefaultColorPalette(colorpaletteid_t id)
     return false;
 }
 
-colorpaletteid_t R_CreateColorPalette(char const* fmt, char const* name,
+#undef R_CreateColorPalette
+DENG_EXTERN_C colorpaletteid_t R_CreateColorPalette(char const* fmt, char const* name,
     uint8_t const* colorData, int colorCount)
 {
     static char const* compNames[] = { "red", "green", "blue" };
@@ -306,7 +307,8 @@ colorpaletteid_t R_CreateColorPalette(char const* fmt, char const* name,
     return id; // 1-based index.
 }
 
-colorpaletteid_t R_GetColorPaletteNumForName(char const* name)
+#undef R_GetColorPaletteNumForName
+DENG_EXTERN_C colorpaletteid_t R_GetColorPaletteNumForName(char const* name)
 {
     if(!initedColorPalettes)
         Con_Error("R_GetColorPaletteNumForName: Color palettes not yet initialized.");
@@ -317,7 +319,8 @@ colorpaletteid_t R_GetColorPaletteNumForName(char const* name)
     return 0;
 }
 
-char const* R_GetColorPaletteNameForNum(colorpaletteid_t id)
+#undef R_GetColorPaletteNameForNum
+DENG_EXTERN_C char const* R_GetColorPaletteNameForNum(colorpaletteid_t id)
 {
     if(!initedColorPalettes)
         Con_Error("R_GetColorPaletteNameForNum: Color palettes not yet initialized.");
@@ -328,7 +331,8 @@ char const* R_GetColorPaletteNameForNum(colorpaletteid_t id)
     return NULL;
 }
 
-void R_GetColorPaletteRGBubv(colorpaletteid_t paletteId, int colorIdx, uint8_t rgb[3],
+#undef R_GetColorPaletteRGBubv
+DENG_EXTERN_C void R_GetColorPaletteRGBubv(colorpaletteid_t paletteId, int colorIdx, uint8_t rgb[3],
     boolean applyTexGamma)
 {
     if(!initedColorPalettes)
@@ -358,7 +362,8 @@ void R_GetColorPaletteRGBubv(colorpaletteid_t paletteId, int colorIdx, uint8_t r
     Con_Message("Warning:R_GetColorPaletteRGBubv: Failed to locate ColorPalette for id %i.\n", paletteId);
 }
 
-void R_GetColorPaletteRGBf(colorpaletteid_t paletteId, int colorIdx, float rgb[3],
+#undef R_GetColorPaletteRGBf
+DENG_EXTERN_C void R_GetColorPaletteRGBf(colorpaletteid_t paletteId, int colorIdx, float rgb[3],
     boolean applyTexGamma)
 {
     if(!initedColorPalettes)
diff --git a/doomsday/engine/src/resource/r_data.cpp b/doomsday/engine/src/resource/r_data.cpp
index b8a8a44a3e..ecbe45a14b 100644
--- a/doomsday/engine/src/resource/r_data.cpp
+++ b/doomsday/engine/src/resource/r_data.cpp
@@ -102,8 +102,8 @@ void R_InitSystemTextures()
     App_Textures()->iterateDeclared("System", defineTextureWorker);
 }
 
-/// @note Part of the Doomsday public API.
-AutoStr *R_ComposePatchPath(patchid_t id)
+#undef R_ComposePatchPath
+DENG_EXTERN_C AutoStr *R_ComposePatchPath(patchid_t id)
 {
     try
     {
@@ -118,8 +118,8 @@ AutoStr *R_ComposePatchPath(patchid_t id)
     return AutoStr_NewStd();
 }
 
-/// @note Part of the Doomsday public API.
-uri_s *R_ComposePatchUri(patchid_t id)
+#undef R_ComposePatchUri
+DENG_EXTERN_C uri_s *R_ComposePatchUri(patchid_t id)
 {
     try
     {
@@ -134,8 +134,8 @@ uri_s *R_ComposePatchUri(patchid_t id)
     return reinterpret_cast<uri_s *>(new de::Uri());
 }
 
-/// @note Part of the Doomsday public API.
-patchid_t R_DeclarePatch(char const *name)
+#undef R_DeclarePatch
+DENG_EXTERN_C patchid_t R_DeclarePatch(char const *name)
 {
     LOG_AS("R_DeclarePatch");
 
@@ -215,7 +215,8 @@ patchid_t R_DeclarePatch(char const *name)
     return uniqueId;
 }
 
-boolean R_GetPatchInfo(patchid_t id, patchinfo_t *info)
+#undef R_GetPatchInfo
+DENG_EXTERN_C boolean R_GetPatchInfo(patchid_t id, patchinfo_t *info)
 {
     LOG_AS("R_GetPatchInfo");
     if(!info) LegacyCore_FatalError("R_GetPatchInfo: Argument 'info' cannot be NULL.");
diff --git a/doomsday/engine/src/resource/textures.cpp b/doomsday/engine/src/resource/textures.cpp
index 19c15460b4..419c83781e 100644
--- a/doomsday/engine/src/resource/textures.cpp
+++ b/doomsday/engine/src/resource/textures.cpp
@@ -713,8 +713,8 @@ void Textures_Shutdown(void)
     delete textures; textures = 0;
 }
 
-/// @note Part of the Doomsday public API.
-int Textures_UniqueId2(Uri const *_uri, boolean quiet)
+#undef Textures_UniqueId2
+DENG_EXTERN_C int Textures_UniqueId2(Uri const *_uri, boolean quiet)
 {
     LOG_AS("Textures_UniqueId");
     if(!_uri) return -1;
@@ -736,8 +736,8 @@ int Textures_UniqueId2(Uri const *_uri, boolean quiet)
     return -1;
 }
 
-/// @note Part of the Doomsday public API.
-int Textures_UniqueId(Uri const *uri)
+#undef Textures_UniqueId
+DENG_EXTERN_C int Textures_UniqueId(Uri const *uri)
 {
     return Textures_UniqueId2(uri, false);
 }
diff --git a/doomsday/plugins/jdoom/include/d_api.h b/doomsday/plugins/jdoom/include/d_api.h
index a7b5be6e4b..278e264359 100644
--- a/doomsday/plugins/jdoom/include/d_api.h
+++ b/doomsday/plugins/jdoom/include/d_api.h
@@ -59,6 +59,7 @@ DENG_USING_API(MaterialArchive);
 DENG_USING_API(MPE);
 DENG_USING_API(Player);
 DENG_USING_API(Plug);
+DENG_USING_API(R);
 DENG_USING_API(Rend);
 DENG_USING_API(S);
 DENG_USING_API(Server);
diff --git a/doomsday/plugins/jdoom/src/d_api.c b/doomsday/plugins/jdoom/src/d_api.c
index 0a0893a9ca..366efcca6b 100644
--- a/doomsday/plugins/jdoom/src/d_api.c
+++ b/doomsday/plugins/jdoom/src/d_api.c
@@ -295,6 +295,7 @@ DENG_DECLARE_API(Map);
 DENG_DECLARE_API(MPE);
 DENG_DECLARE_API(Player);
 DENG_DECLARE_API(Plug);
+DENG_DECLARE_API(R);
 DENG_DECLARE_API(Rend);
 DENG_DECLARE_API(S);
 DENG_DECLARE_API(Server);
@@ -320,6 +321,7 @@ DENG_API_EXCHANGE(
     DENG_GET_API(DE_API_MAP_EDIT, MPE);
     DENG_GET_API(DE_API_PLAYER, Player);
     DENG_GET_API(DE_API_PLUGIN, Plug);
+    DENG_GET_API(DE_API_RESOURCE, R);
     DENG_GET_API(DE_API_RENDER, Rend);
     DENG_GET_API(DE_API_SOUND, S);
     DENG_GET_API(DE_API_SERVER, Server);
diff --git a/doomsday/server/server.pro b/doomsday/server/server.pro
index d80e5feb76..836717987c 100644
--- a/doomsday/server/server.pro
+++ b/doomsday/server/server.pro
@@ -90,6 +90,7 @@ DENG_API_HEADERS = \
     $$SRC/api/api_player.h \
     $$SRC/api/api_plugin.h \
     $$SRC/api/api_render.h \
+    $$SRC/api/api_resource.h \
     $$SRC/api/api_resourceclass.h \
     $$SRC/api/api_server.h \
     $$SRC/api/api_sound.h \
@@ -335,6 +336,7 @@ SOURCES += $$SRC/src/ui/displaymode_dummy.c
 SOURCES += \
     src/server_dummies.c \
     $$SRC/src/api_material.cpp \
+    $$SRC/src/api_uri.cpp \
     $$SRC/src/audio/s_cache.c \
     $$SRC/src/audio/s_environ.cpp \
     $$SRC/src/audio/s_logic.c \
@@ -428,6 +430,7 @@ SOURCES += \
     $$SRC/src/render/r_things.cpp \
     $$SRC/src/render/rend_main.cpp \
     $$SRC/src/resource/animgroups.cpp \
+    $$SRC/src/resource/api_resource.c \
     $$SRC/src/resource/colorpalette.c \
     $$SRC/src/resource/colorpalettes.cpp \
     $$SRC/src/resource/compositetexture.cpp \
@@ -476,8 +479,7 @@ SOURCES += \
     $$SRC/src/ui/sys_input.c \
     $$SRC/src/ui/ui2_main.cpp \
     $$SRC/src/ui/window.cpp \
-    $$SRC/src/uri.cpp \
-    $$SRC/src/uri_wrapper.cpp
+    $$SRC/src/uri.cpp
 
 OTHER_FILES += \
     data/cphelp.txt \