diff --git a/SpongeAPI b/SpongeAPI
index 529eaa9f17d..f695db1d1c5 160000
--- a/SpongeAPI
+++ b/SpongeAPI
@@ -1 +1 @@
-Subproject commit 529eaa9f17db8589abafa1db3b565efc2276aa84
+Subproject commit f695db1d1c59306d75c1ebf93e9c021335905e09
diff --git a/src/accessors/java/org/spongepowered/common/accessor/world/entity/InteractionAccessor.java b/src/accessors/java/org/spongepowered/common/accessor/world/entity/InteractionAccessor.java
new file mode 100644
index 00000000000..f890218652e
--- /dev/null
+++ b/src/accessors/java/org/spongepowered/common/accessor/world/entity/InteractionAccessor.java
@@ -0,0 +1,41 @@
+/*
+ * This file is part of Sponge, licensed under the MIT License (MIT).
+ *
+ * Copyright (c) SpongePowered <https://www.spongepowered.org>
+ * Copyright (c) contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package org.spongepowered.common.accessor.world.entity;
+
+import net.minecraft.world.entity.Interaction;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.gen.Invoker;
+
+@Mixin(Interaction.class)
+public interface InteractionAccessor {
+
+    @Invoker("getWidth") float invoker$getWidth();
+
+    @Invoker("getHeight") float invoker$getHeight();
+
+    @Invoker("setWidth") void invoker$setWidth(float width);
+
+    @Invoker("setHeight") void invoker$setHeight(float height);
+}
diff --git a/src/accessors/resources/mixins.sponge.accessors.json b/src/accessors/resources/mixins.sponge.accessors.json
index 24d57dc1f66..720308e5176 100644
--- a/src/accessors/resources/mixins.sponge.accessors.json
+++ b/src/accessors/resources/mixins.sponge.accessors.json
@@ -66,6 +66,7 @@
     "world.entity.EntityAccessor",
     "world.entity.EntityTypeAccessor",
     "world.entity.ExperienceOrbAccessor",
+    "world.entity.InteractionAccessor",
     "world.entity.LightningBoltAccessor",
     "world.entity.LivingEntityAccessor",
     "world.entity.MobAccessor",
diff --git a/src/main/java/org/spongepowered/common/data/provider/entity/EntityData.java b/src/main/java/org/spongepowered/common/data/provider/entity/EntityData.java
index 5e62f6e798b..69937fac579 100644
--- a/src/main/java/org/spongepowered/common/data/provider/entity/EntityData.java
+++ b/src/main/java/org/spongepowered/common/data/provider/entity/EntityData.java
@@ -249,6 +249,10 @@ public static void register(final DataProviderRegistrator registrator) {
                             ((PortalProcessorBridge)h.portalProcess).bridge$init(h.level());
                         })
                         .delete(h -> h.portalProcess = null)
+                    .create(Keys.BOUNDING_BOX_BASE_SIZE)
+                        .get(h -> (double) h.getBbWidth())
+                    .create(Keys.BOUNDING_BOX_HEIGHT)
+                        .get(h -> (double) h.getBbHeight())
                 .asMutable(EntityMaxAirBridge.class)
                     .create(Keys.MAX_AIR)
                         .get(EntityMaxAirBridge::bridge$getMaxAir)
diff --git a/src/main/java/org/spongepowered/common/data/provider/entity/EntityDataProviders.java b/src/main/java/org/spongepowered/common/data/provider/entity/EntityDataProviders.java
index 29910a3ecac..39a1ea8b74a 100644
--- a/src/main/java/org/spongepowered/common/data/provider/entity/EntityDataProviders.java
+++ b/src/main/java/org/spongepowered/common/data/provider/entity/EntityDataProviders.java
@@ -75,6 +75,7 @@ public void registerProviders() {
         HorseData.register(this.registrator);
         HumanData.register(this.registrator);
         IdentifiableData.register(this.registrator);
+        InteractionData.register(this.registrator);
         InvulnerableData.register(this.registrator);
         IronGolemData.register(this.registrator);
         ItemData.register(this.registrator);
diff --git a/src/main/java/org/spongepowered/common/data/provider/entity/InteractionData.java b/src/main/java/org/spongepowered/common/data/provider/entity/InteractionData.java
new file mode 100644
index 00000000000..363bcbacff2
--- /dev/null
+++ b/src/main/java/org/spongepowered/common/data/provider/entity/InteractionData.java
@@ -0,0 +1,49 @@
+/*
+ * This file is part of Sponge, licensed under the MIT License (MIT).
+ *
+ * Copyright (c) SpongePowered <https://www.spongepowered.org>
+ * Copyright (c) contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package org.spongepowered.common.data.provider.entity;
+
+import org.spongepowered.api.data.Keys;
+import org.spongepowered.common.accessor.world.entity.InteractionAccessor;
+import org.spongepowered.common.data.provider.DataProviderRegistrator;
+
+public final class InteractionData {
+
+    private InteractionData() {
+    }
+
+    // @formatter:off
+    public static void register(final DataProviderRegistrator registrator) {
+        registrator
+                .asMutable(InteractionAccessor.class)
+                    .create(Keys.BOUNDING_BOX_BASE_SIZE)
+                        .get(h -> (double) h.invoker$getWidth())
+                        .set((h, v) -> h.invoker$setWidth(v.floatValue()))
+                    .create(Keys.BOUNDING_BOX_HEIGHT)
+                        .get(h -> (double) h.invoker$getHeight())
+                        .set((h, v) -> h.invoker$setHeight(v.floatValue()))
+            ;
+    }
+    // @formatter:on
+}