diff --git a/c-api/data/interior_extend_info.h b/c-api/data/interior_extend_info.h
new file mode 100644
index 0000000..a2e61b7
--- /dev/null
+++ b/c-api/data/interior_extend_info.h
@@ -0,0 +1,7 @@
+#pragma once
+#include "cpp-sdk/deps/alt-math/alt-math.h"
+
+typedef struct {
+	alt::Position min;
+	alt::Position max;
+} interior_extend_info_t;
\ No newline at end of file
diff --git a/c-api/interior.cpp b/c-api/interior.cpp
new file mode 100644
index 0000000..18f6f85
--- /dev/null
+++ b/c-api/interior.cpp
@@ -0,0 +1,39 @@
+#include "interior.h"
+
+#include "utils/macros.h"
+
+CAPI_START()
+
+#ifdef ALT_CLIENT_API
+uint16_t Interior_GetRoomCount(uint32_t interiorId)
+{
+	auto interior = alt::ICore::Instance().GetInterior(interiorId);
+	return interior->GetRoomCount();
+}
+
+uint16_t Interior_GetPortalCount(uint32_t interiorId)
+{
+	auto interior = alt::ICore::Instance().GetInterior(interiorId);
+	return interior->GetPortalCount();
+}
+
+alt::Position Interior_GetPosition(uint32_t interiorId)
+{
+	auto interior = alt::ICore::Instance().GetInterior(interiorId);
+	return interior->GetPosition();
+}
+
+alt::Rotation Interior_GetRotation(uint32_t interiorId)
+{
+	auto interior = alt::ICore::Instance().GetInterior(interiorId);
+	return interior->GetRotation();
+}
+
+void Interior_GetEntitiesExtents(uint32_t interiorId, interior_extend_info_t& extents)
+{
+	auto interior = alt::ICore::Instance().GetInterior(interiorId);
+	auto ext = interior->GetEntitiesExtents();
+	extents.min = ext.min;
+	extents.max = ext.max;
+}
+#endif
\ No newline at end of file
diff --git a/c-api/interior.h b/c-api/interior.h
new file mode 100644
index 0000000..5ec65c8
--- /dev/null
+++ b/c-api/interior.h
@@ -0,0 +1,29 @@
+#pragma once
+
+#ifdef __clang__
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wempty-body"
+#pragma clang diagnostic ignored "-Wswitch"
+#endif
+
+#include "cpp-sdk/SDK.h"
+#include "data/interior_extend_info.h"
+#include "data/types.h"
+#include "data/invoker.h"
+#include "utils/export.h"
+
+#ifdef ALT_SERVER_API
+#include <CSharpResourceImpl.h>
+#elif ALT_CLIENT_API
+#include "../client/src/runtime/CSharpResourceImpl.h"
+#endif
+
+#ifdef __clang__
+#pragma clang diagnostic pop
+#endif
+
+EXPORT_CLIENT uint16_t Interior_GetRoomCount(uint32_t interiorId);
+EXPORT_CLIENT uint16_t Interior_GetPortalCount(uint32_t interiorId);
+EXPORT_CLIENT alt::Position Interior_GetPosition(uint32_t interiorId);
+EXPORT_CLIENT alt::Rotation Interior_GetRotation(uint32_t interiorId);
+EXPORT_CLIENT void Interior_GetEntitiesExtents(uint32_t interiorId, interior_extend_info_t& extents);
\ No newline at end of file
diff --git a/c-api/interior_portal.cpp b/c-api/interior_portal.cpp
new file mode 100644
index 0000000..d974639
--- /dev/null
+++ b/c-api/interior_portal.cpp
@@ -0,0 +1,106 @@
+#include "interior_portal.h"
+
+#include "cpp-sdk/script-objects/IInteriorPortal.h"
+#include "utils/macros.h"
+
+CAPI_START()
+
+#ifdef ALT_CLIENT_API
+
+uint16_t InteriorPortal_GetCornerCount(uint32_t interiorId, uint32_t portalIndex)
+{
+	auto portal = GetInteriorPortal(interiorId, portalIndex);
+	return portal->GetCornerCount();
+}
+
+alt::Position InteriorPortal_GetCornerPosition(uint32_t interiorId, uint32_t portalIndex, uint32_t cornerIndex)
+{
+	auto portal = GetInteriorPortal(interiorId, portalIndex);
+	return portal->GetCornerPosition(cornerIndex);
+}
+
+uint32_t InteriorPortal_GetRoomFrom(uint32_t interiorId, uint32_t portalIndex)
+{
+	auto portal = GetInteriorPortal(interiorId, portalIndex);
+	return portal->GetRoomFrom();
+}
+
+uint32_t InteriorPortal_GetRoomTo(uint32_t interiorId, uint32_t portalIndex)
+{
+	auto portal = GetInteriorPortal(interiorId, portalIndex);
+	return portal->GetRoomTo();
+}
+
+int32_t InteriorPortal_GetFlag(uint32_t interiorId, uint32_t portalIndex)
+{
+	auto portal = GetInteriorPortal(interiorId, portalIndex);
+	return portal->GetFlag();
+}
+
+uint16_t InteriorPortal_GetEntityCount(uint32_t interiorId, uint32_t portalIndex)
+{
+	auto portal = GetInteriorPortal(interiorId, portalIndex);
+	return portal->GetEntityCount();
+}
+
+uint32_t InteriorPortal_GetEntityArcheType(uint32_t interiorId, uint32_t portalIndex, uint32_t entityIndex)
+{
+	auto portal = GetInteriorPortal(interiorId, portalIndex);
+	return portal->GetEntityArcheType(entityIndex);
+}
+
+int32_t InteriorPortal_GetEntityFlag(uint32_t interiorId, uint32_t portalIndex, uint32_t entityIndex)
+{
+	auto portal = GetInteriorPortal(interiorId, portalIndex);
+	return portal->GetEntityFlag(entityIndex);
+}
+
+alt::Position InteriorPortal_GetEntityPosition(uint32_t interiorId, uint32_t portalIndex, uint32_t entityIndex)
+{
+	auto portal = GetInteriorPortal(interiorId, portalIndex);
+	return portal->GetEntityPosition(entityIndex);
+}
+
+alt::Rotation InteriorPortal_GetEntityRotation(uint32_t interiorId, uint32_t portalIndex, uint32_t entityIndex)
+{
+	auto portal = GetInteriorPortal(interiorId, portalIndex);
+	return portal->GetEntityRotation(entityIndex);
+}
+
+void InteriorPortal_SetCornerPosition(uint32_t interiorId, uint32_t portalIndex, uint32_t cornerIndex,
+                                      position_t position)
+{
+	auto portal = GetInteriorPortal(interiorId, portalIndex);
+	portal->SetCornerPosition(cornerIndex, alt::Position(position.x, position.y, position.z));
+}
+
+void InteriorPortal_SetRoomFrom(uint32_t interiorId, uint32_t portalIndex, uint32_t roomFrom)
+{
+	auto portal = GetInteriorPortal(interiorId, portalIndex);
+	portal->SetRoomFrom(roomFrom);
+}
+
+void InteriorPortal_SetRoomTo(uint32_t interiorId, uint32_t portalIndex, uint32_t roomTo)
+{
+	auto portal = GetInteriorPortal(interiorId, portalIndex);
+	portal->SetRoomTo(roomTo);
+}
+
+void InteriorPortal_SetFlag(uint32_t interiorId, uint32_t portalIndex, int32_t flag)
+{
+	auto portal = GetInteriorPortal(interiorId, portalIndex);
+	portal->SetFlag(flag);
+}
+
+void InteriorPortal_SetEntityFlag(uint32_t interiorId, uint32_t portalIndex, uint32_t entityIndex, int32_t flag)
+{
+	auto portal = GetInteriorPortal(interiorId, portalIndex);
+	portal->SetEntityFlag(entityIndex, flag);
+}
+
+std::shared_ptr<alt::IInteriorPortal> GetInteriorPortal(uint32_t interiorId, uint32_t portalIndex)
+{
+	auto interior = alt::ICore::Instance().GetInterior(interiorId);
+	return interior->GetPortalByIndex(portalIndex);
+}
+#endif
\ No newline at end of file
diff --git a/c-api/interior_portal.h b/c-api/interior_portal.h
new file mode 100644
index 0000000..b6e76f4
--- /dev/null
+++ b/c-api/interior_portal.h
@@ -0,0 +1,46 @@
+#pragma once
+
+#ifdef __clang__
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wempty-body"
+#pragma clang diagnostic ignored "-Wswitch"
+#endif
+
+#include "cpp-sdk/SDK.h"
+#include "data/interior_extend_info.h"
+#include "data/types.h"
+#include "data/invoker.h"
+#include "utils/export.h"
+
+#ifdef ALT_SERVER_API
+#include <CSharpResourceImpl.h>
+#elif ALT_CLIENT_API
+#include "../client/src/runtime/CSharpResourceImpl.h"
+#endif
+
+#ifdef __clang__
+#pragma clang diagnostic pop
+#endif
+
+EXPORT_CLIENT uint16_t InteriorPortal_GetCornerCount(uint32_t interiorId, uint32_t portalIndex);
+EXPORT_CLIENT alt::Position InteriorPortal_GetCornerPosition(uint32_t interiorId, uint32_t portalIndex, uint32_t cornerIndex);
+EXPORT_CLIENT uint32_t InteriorPortal_GetRoomFrom(uint32_t interiorId, uint32_t portalIndex);
+EXPORT_CLIENT uint32_t InteriorPortal_GetRoomTo(uint32_t interiorId, uint32_t portalIndex);
+EXPORT_CLIENT int32_t InteriorPortal_GetFlag(uint32_t interiorId, uint32_t portalIndex);
+
+EXPORT_CLIENT uint16_t InteriorPortal_GetEntityCount(uint32_t interiorId, uint32_t portalIndex);
+EXPORT_CLIENT uint32_t InteriorPortal_GetEntityArcheType(uint32_t interiorId, uint32_t portalIndex, uint32_t entityIndex);
+EXPORT_CLIENT int32_t InteriorPortal_GetEntityFlag(uint32_t interiorId, uint32_t portalIndex, uint32_t entityIndex);
+EXPORT_CLIENT alt::Position InteriorPortal_GetEntityPosition(uint32_t interiorId, uint32_t portalIndex, uint32_t entityIndex);
+EXPORT_CLIENT alt::Rotation InteriorPortal_GetEntityRotation(uint32_t interiorId, uint32_t portalIndex, uint32_t entityIndex);
+
+
+EXPORT_CLIENT void InteriorPortal_SetCornerPosition(uint32_t interiorId, uint32_t portalIndex, uint32_t cornerIndex, position_t position);
+EXPORT_CLIENT void InteriorPortal_SetRoomFrom(uint32_t interiorId, uint32_t portalIndex, uint32_t roomFrom);
+EXPORT_CLIENT void InteriorPortal_SetRoomTo(uint32_t interiorId, uint32_t portalIndex, uint32_t roomTo);
+EXPORT_CLIENT void InteriorPortal_SetFlag(uint32_t interiorId, uint32_t portalIndex, int32_t flag);
+EXPORT_CLIENT void InteriorPortal_SetEntityFlag(uint32_t interiorId, uint32_t portalIndex, uint32_t entityIndex, int32_t flag);
+
+#ifdef ALT_CLIENT_API
+std::shared_ptr<alt::IInteriorPortal> GetInteriorPortal(uint32_t interiorId, uint32_t portalIndex);
+#endif
\ No newline at end of file
diff --git a/c-api/interior_room.cpp b/c-api/interior_room.cpp
new file mode 100644
index 0000000..43daee8
--- /dev/null
+++ b/c-api/interior_room.cpp
@@ -0,0 +1,80 @@
+#include "interior_room.h"
+
+#include "cpp-sdk/script-objects/IInteriorRoom.h"
+#include "utils/macros.h"
+#include "utils/strings.h"
+
+CAPI_START()
+
+#ifdef ALT_CLIENT_API
+const char* InteriorRoom_GetName(uint32_t interiorId, uint32_t roomValue, uint8_t isIndex, int32_t& size)
+{
+	auto room = GetInteriorRoom(interiorId, roomValue, isIndex);
+	return AllocateString(room->GetName(), size);
+}
+
+uint32_t InteriorRoom_GetNameHash(uint32_t interiorId, uint32_t roomValue, uint8_t isIndex)
+{
+	auto room = GetInteriorRoom(interiorId, roomValue, isIndex);
+	return room->GetNameHash();
+}
+
+int32_t InteriorRoom_GetFlag(uint32_t interiorId, uint32_t roomValue, uint8_t isIndex)
+{
+	auto room = GetInteriorRoom(interiorId, roomValue, isIndex);
+	return room->GetFlag();
+}
+
+uint32_t InteriorRoom_GetTimecycle(uint32_t interiorId, uint32_t roomValue, uint8_t isIndex)
+{
+	auto room = GetInteriorRoom(interiorId, roomValue, isIndex);
+	return room->GetTimecycle();
+}
+
+void InteriorRoom_GetExtents(uint32_t interiorId, uint32_t roomValue, uint8_t isIndex,
+	interior_extend_info_t& extents)
+{
+	auto room = GetInteriorRoom(interiorId, roomValue, isIndex);
+	auto ext = room->GetExtents();
+	extents.min = ext.min;
+	extents.max = ext.max;
+}
+
+void InteriorRoom_SetFlag(uint32_t interiorId, uint32_t roomValue, uint8_t isIndex, int32_t flag)
+{
+	auto room = GetInteriorRoom(interiorId, roomValue, isIndex);
+	room->SetFlag(flag);
+}
+
+void InteriorRoom_SetTimecycle(uint32_t interiorId, uint32_t roomValue, uint8_t isIndex, uint32_t timecycle)
+{
+	auto room = GetInteriorRoom(interiorId, roomValue, isIndex);
+	room->SetTimecycle(timecycle);
+}
+
+void InteriorRoom_SetEntitiesExtents(uint32_t interiorId, uint32_t roomValue, uint8_t isIndex, position_t min,
+	position_t max)
+{
+	auto room = GetInteriorRoom(interiorId, roomValue, isIndex);
+	alt::IInterior::ExtentInfo extentInfo;
+	extentInfo.min = alt::Position(min.x, min.y, min.z);
+	extentInfo.max = alt::Position(max.x, max.y, max.z);
+	room->SetExtents(extentInfo);
+}
+
+std::shared_ptr<alt::IInteriorRoom> GetInteriorRoom(uint32_t interiorId, uint32_t roomValue, uint8_t isIndex)
+{
+	auto interior = alt::ICore::Instance().GetInterior(interiorId);
+	std::shared_ptr<alt::IInteriorRoom> room;
+	if (isIndex == 1)
+	{
+		room = interior->GetRoomByIndex(roomValue);
+	}
+	else
+	{
+		room = interior->GetRoomByHash(roomValue);
+	}
+
+	return room;
+}
+#endif
\ No newline at end of file
diff --git a/c-api/interior_room.h b/c-api/interior_room.h
new file mode 100644
index 0000000..83800b8
--- /dev/null
+++ b/c-api/interior_room.h
@@ -0,0 +1,39 @@
+#pragma once
+
+#ifdef __clang__
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wempty-body"
+#pragma clang diagnostic ignored "-Wswitch"
+#endif
+
+#include "cpp-sdk/SDK.h"
+#include "data/interior_extend_info.h"
+#include "data/types.h"
+#include "data/invoker.h"
+#include "utils/export.h"
+
+#ifdef ALT_SERVER_API
+#include <CSharpResourceImpl.h>
+#elif ALT_CLIENT_API
+#include "../client/src/runtime/CSharpResourceImpl.h"
+#endif
+
+#ifdef __clang__
+#pragma clang diagnostic pop
+#endif
+
+EXPORT_CLIENT const char* InteriorRoom_GetName(uint32_t interiorId, uint32_t roomValue, uint8_t isIndex, int32_t& size);
+EXPORT_CLIENT uint32_t InteriorRoom_GetNameHash(uint32_t interiorId, uint32_t roomValue, uint8_t isIndex);
+EXPORT_CLIENT int32_t InteriorRoom_GetFlag(uint32_t interiorId, uint32_t roomValue, uint8_t isIndex);
+EXPORT_CLIENT uint32_t InteriorRoom_GetTimecycle(uint32_t interiorId, uint32_t roomValue, uint8_t isIndex);
+
+EXPORT_CLIENT void InteriorRoom_GetExtents(uint32_t interiorId, uint32_t roomValue, uint8_t isIndex, interior_extend_info_t& extents);
+
+EXPORT_CLIENT void InteriorRoom_SetFlag(uint32_t interiorId, uint32_t roomValue, uint8_t isIndex, int32_t flag);
+EXPORT_CLIENT void InteriorRoom_SetTimecycle(uint32_t interiorId, uint32_t roomValue, uint8_t isIndex, uint32_t timecycle);
+EXPORT_CLIENT void InteriorRoom_SetEntitiesExtents(uint32_t interiorId, uint32_t roomValue, uint8_t isIndex, position_t min, position_t max);
+
+
+#ifdef ALT_CLIENT_API
+std::shared_ptr<alt::IInteriorRoom> GetInteriorRoom(uint32_t interiorId, uint32_t roomValue, uint8_t isIndex);
+#endif
\ No newline at end of file