diff --git a/contributors.md b/contributors.md
index 6f72111d05..b319c8bd3d 100644
--- a/contributors.md
+++ b/contributors.md
@@ -119,7 +119,7 @@ Appreciation for contributors who have provided substantial work, but are no lon
 * Tiago Reul (reul) - Misc.
 * Fredrik Tegnell (fredriktegnell) - Misc.
 * Alex Parisi (alex-parisi) - Added API for returning metadata from all registered plugins.
-* Arnold Zhou (mrmagic2020) - Added plugin API for getting and setting guests' favourite rides, new game option, misc.
+* Arnold Zhou (mrmagic2020) - Various plugin additions, new game option, misc.
 
 ## Bug fixes & Refactors
 * Claudio Tiecher (janclod)
diff --git a/distribution/changelog.txt b/distribution/changelog.txt
index 2a4fc131f9..c543c7f82c 100644
--- a/distribution/changelog.txt
+++ b/distribution/changelog.txt
@@ -10,6 +10,7 @@
 - Feature: [#22085] [Plugin] The result of actions that create banners now includes the bannerIndex.
 - Feature: [#22087] [Plugin] Expose guests’ favourite rides to the plugin API.
 - Feature: [#22140] Add option to automatically close dropdown menus if Enlarged UI is enabled.
+- Feature: [#22150] [Plugin] Expose monthly expenditure history to the plugin API.
 - Improved: [#19870] Allow using new colours in UI themes.
 - Improved: [#21853] Dropdowns now automatically use multiple columns if they are too tall for the screen.
 - Improved: [#21981] Rendering performance of the map window has been improved considerably.
diff --git a/distribution/openrct2.d.ts b/distribution/openrct2.d.ts
index b9f93dabec..3ad16189b7 100644
--- a/distribution/openrct2.d.ts
+++ b/distribution/openrct2.d.ts
@@ -3799,6 +3799,14 @@ declare global {
 
         postMessage(message: string): void;
         postMessage(message: ParkMessageDesc): void;
+
+        /**
+         * Gets the monthly expenditure history for a given type.
+         * Index 0 represents the current month, index 1 the previous month, etc.
+         * The maximum length of the array is 16.
+         * @param type The type of expenditure to get.
+         */
+        getMonthlyExpenditure(type: ExpenditureType): number[]
     }
 
     interface Research {
diff --git a/src/openrct2/scripting/ScriptEngine.h b/src/openrct2/scripting/ScriptEngine.h
index 753e983f13..f54e969390 100644
--- a/src/openrct2/scripting/ScriptEngine.h
+++ b/src/openrct2/scripting/ScriptEngine.h
@@ -47,7 +47,7 @@ namespace OpenRCT2
 
 namespace OpenRCT2::Scripting
 {
-    static constexpr int32_t OPENRCT2_PLUGIN_API_VERSION = 92;
+    static constexpr int32_t OPENRCT2_PLUGIN_API_VERSION = 93;
 
     // Versions marking breaking changes.
     static constexpr int32_t API_VERSION_33_PEEP_DEPRECATION = 33;
@@ -262,6 +262,9 @@ namespace OpenRCT2::Scripting
         IntervalHandle AddInterval(const std::shared_ptr<Plugin>& plugin, int32_t delay, bool repeat, DukValue&& callback);
         void RemoveInterval(const std::shared_ptr<Plugin>& plugin, IntervalHandle handle);
 
+        static std::string_view ExpenditureTypeToString(ExpenditureType expenditureType);
+        static ExpenditureType StringToExpenditureType(std::string_view expenditureType);
+
 #    ifndef DISABLE_NETWORK
         void AddSocket(const std::shared_ptr<ScSocketBase>& socket);
 #    endif
@@ -289,8 +292,6 @@ namespace OpenRCT2::Scripting
         void ProcessREPL();
         void RemoveCustomGameActions(const std::shared_ptr<Plugin>& plugin);
         [[nodiscard]] GameActions::Result DukToGameActionResult(const DukValue& d);
-        static std::string_view ExpenditureTypeToString(ExpenditureType expenditureType);
-        static ExpenditureType StringToExpenditureType(std::string_view expenditureType);
 
         void InitSharedStorage();
         void LoadSharedStorage();
diff --git a/src/openrct2/scripting/bindings/world/ScPark.cpp b/src/openrct2/scripting/bindings/world/ScPark.cpp
index 8fe213753e..4c1dadf217 100644
--- a/src/openrct2/scripting/bindings/world/ScPark.cpp
+++ b/src/openrct2/scripting/bindings/world/ScPark.cpp
@@ -12,6 +12,7 @@
 #    include "ScPark.hpp"
 
 #    include "../../../Context.h"
+#    include "../../../Date.h"
 #    include "../../../GameState.h"
 #    include "../../../common.h"
 #    include "../../../core/String.hpp"
@@ -401,6 +402,23 @@ namespace OpenRCT2::Scripting
         }
     }
 
+    std::vector<int32_t> ScPark::getMonthlyExpenditure(const std::string& expenditureType) const
+    {
+        auto recordedMonths = std::clamp(
+            GetDate().GetMonthsElapsed() + 1, static_cast<uint32_t>(0), static_cast<uint32_t>(kExpenditureTableMonthCount));
+        std::vector<int32_t> result(recordedMonths, 0);
+        auto type = ScriptEngine::StringToExpenditureType(expenditureType);
+        if (type != ExpenditureType::Count)
+        {
+            auto& gameState = GetGameState();
+            for (size_t i = 0; i < recordedMonths; ++i)
+            {
+                result[i] = gameState.ExpenditureTable[i][EnumValue(type)];
+            }
+        }
+        return result;
+    }
+
     void ScPark::Register(duk_context* ctx)
     {
         dukglue_register_property(ctx, &ScPark::cash_get, &ScPark::cash_set, "cash");
@@ -432,6 +450,7 @@ namespace OpenRCT2::Scripting
         dukglue_register_method(ctx, &ScPark::getFlag, "getFlag");
         dukglue_register_method(ctx, &ScPark::setFlag, "setFlag");
         dukglue_register_method(ctx, &ScPark::postMessage, "postMessage");
+        dukglue_register_method(ctx, &ScPark::getMonthlyExpenditure, "getMonthlyExpenditure");
     }
 
 } // namespace OpenRCT2::Scripting
diff --git a/src/openrct2/scripting/bindings/world/ScPark.hpp b/src/openrct2/scripting/bindings/world/ScPark.hpp
index a8f9454805..2ffa992b40 100644
--- a/src/openrct2/scripting/bindings/world/ScPark.hpp
+++ b/src/openrct2/scripting/bindings/world/ScPark.hpp
@@ -98,6 +98,8 @@ namespace OpenRCT2::Scripting
 
         void postMessage(DukValue message);
 
+        std::vector<int32_t> getMonthlyExpenditure(const std::string& expenditureType) const;
+
         static void Register(duk_context* ctx);
     };
 } // namespace OpenRCT2::Scripting