diff --git a/CJBItemSpawner/Framework/CJBItemSpawnerAPI.cs b/CJBItemSpawner/Framework/CJBItemSpawnerAPI.cs
new file mode 100644
index 00000000..11608139
--- /dev/null
+++ b/CJBItemSpawner/Framework/CJBItemSpawnerAPI.cs
@@ -0,0 +1,42 @@
+using System;
+using System.Collections.Generic;
+using StardewValley;
+using static CJBItemSpawner.ICJBItemSpawnerAPI;
+
+namespace CJBItemSpawner.Framework;
+
+/// <inheritdoc />
+public sealed class CJBItemSpawnerAPI : ICJBItemSpawnerAPI
+{
+    /*********
+     ** Fields
+     *********/
+    /// <summary>Build an item spawner menu.</summary>
+    private readonly Func<ItemMenu> BuildMenu;
+
+    /// <summary>The item repositories which returns all spawnable items.</summary>
+    private readonly IList<Repository> ItemRepositories;
+
+    /*********
+     ** Public methods
+     *********/
+    /// <summary>Construct an instance.</summary>
+    /// <param name="buildMenu">Method for building an item spawner menu.</param>
+    internal CJBItemSpawnerAPI(Func<ItemMenu> buildMenu, IList<Repository> itemRepositories)
+    {
+        this.BuildMenu = buildMenu;
+        this.ItemRepositories = itemRepositories;
+    }
+    
+    /// <inheritdoc />
+    public void OpenItemSpawnerMenu()
+    {
+        Game1.activeClickableMenu = this.BuildMenu();
+    }
+
+    /// <inheritdoc />
+    public void AddRepository(Repository repository)
+    {
+        this.ItemRepositories.Add(repository);
+    }
+}
diff --git a/CJBItemSpawner/Framework/ItemData/SearchableItem.cs b/CJBItemSpawner/Framework/ItemData/SearchableItem.cs
index 33e050d3..dc4aa5fd 100644
--- a/CJBItemSpawner/Framework/ItemData/SearchableItem.cs
+++ b/CJBItemSpawner/Framework/ItemData/SearchableItem.cs
@@ -1,6 +1,5 @@
 using System;
 using StardewValley;
-using StardewValley.ItemTypeDefinitions;
 
 namespace CJBItemSpawner.Framework.ItemData;
 
diff --git a/CJBItemSpawner/ICJBItemSpawnerAPI.cs b/CJBItemSpawner/ICJBItemSpawnerAPI.cs
new file mode 100644
index 00000000..cb7a4bc2
--- /dev/null
+++ b/CJBItemSpawner/ICJBItemSpawnerAPI.cs
@@ -0,0 +1,29 @@
+using System;
+using System.Collections.Generic;
+using StardewValley;
+using StardewValley.ItemTypeDefinitions;
+
+namespace CJBItemSpawner;
+
+/// <summary>The API which lets other mods interact with CJB Item Spawner.</summary>
+public interface ICJBItemSpawnerAPI
+{
+    /// <summary>
+    /// Open the item spawner menu.
+    /// </summary>
+    void OpenItemSpawnerMenu();
+
+    /// <summary>Add an item repository.</summary>
+    /// <param name="repository">An item repository which returns all spawnable items.</param>
+    void AddRepository(Repository repository);
+
+    /// <summary>Get all spawnable items.</summary>
+    /// <param name="onlyType">Only include items for the given <see cref="IItemDataDefinition.Identifier"/>.</param>
+    /// <param name="includeVariants">Whether to include flavored variants like "Sunflower Honey".</param>
+    public delegate IEnumerable<(string Type, string Id, CreateItem CreateItem)> Repository(string? onlyType = null, bool includeVariants = true);
+
+    /// <summary>Create an item instance.</summary>
+    /// <param name="type">The item type.</param>
+    /// <param name="id">The unqualified item ID.</param>
+    public delegate Item CreateItem(string type, string id);
+}
diff --git a/CJBItemSpawner/ModEntry.cs b/CJBItemSpawner/ModEntry.cs
index 4a6b8e6f..4622b9ee 100644
--- a/CJBItemSpawner/ModEntry.cs
+++ b/CJBItemSpawner/ModEntry.cs
@@ -8,6 +8,7 @@
 using StardewModdingAPI;
 using StardewModdingAPI.Events;
 using StardewValley;
+using static CJBItemSpawner.ICJBItemSpawnerAPI;
 
 namespace CJBItemSpawner;
 
@@ -26,6 +27,9 @@ internal class ModEntry : Mod
     /// <summary>The item category filters available in the item spawner menu.</summary>
     private ModDataCategory[] Categories = null!; // set in Entry
 
+    /// <summary>The item repositories which returns all spawnable items.</summary>
+    private readonly IList<Repository> ItemRepositories = new List<Repository>();
+
     /// <summary>Manages the gamepad text entry UI.</summary>
     private readonly TextEntryManager TextEntryManager = new();
 
@@ -65,6 +69,11 @@ public override void Entry(IModHelper helper)
         helper.Events.GameLoop.UpdateTicked += this.OnUpdateTicked;
     }
 
+    /// <inheritdoc />
+    public override object GetApi()
+    {
+        return new CJBItemSpawnerAPI(this.BuildMenu, this.ItemRepositories);
+    }
 
     /*********
     ** Private methods
@@ -122,7 +131,23 @@ private ItemMenu BuildMenu()
     /// <summary>Get the items which can be spawned.</summary>
     private IEnumerable<SpawnableItem> GetSpawnableItems()
     {
-        foreach (SearchableItem entry in new ItemRepository().GetAll())
+        IEnumerable<SearchableItem> GetSpawnableItemsRaw()
+        {
+            foreach (SearchableItem entry in new ItemRepository().GetAll())
+            {
+                yield return entry;
+            }
+
+            foreach (Repository getAll in this.ItemRepositories)
+            {
+                foreach ((string type, string id, CreateItem createItem) in getAll())
+                {
+                    yield return new SearchableItem(type, id, p => createItem(p.Type, p.Id));
+                }
+            }
+        }
+
+        foreach (SearchableItem entry in GetSpawnableItemsRaw())
         {
             ModDataCategory? category = this.Categories.FirstOrDefault(rule => rule.IsMatch(entry));