diff --git a/codegen/smithy-kotlin-codegen/src/main/kotlin/software/amazon/smithy/kotlin/codegen/rendering/endpoints/EndpointDelegator.kt b/codegen/smithy-kotlin-codegen/src/main/kotlin/software/amazon/smithy/kotlin/codegen/rendering/endpoints/EndpointDelegator.kt
index cac97608f..5d2eca98f 100644
--- a/codegen/smithy-kotlin-codegen/src/main/kotlin/software/amazon/smithy/kotlin/codegen/rendering/endpoints/EndpointDelegator.kt
+++ b/codegen/smithy-kotlin-codegen/src/main/kotlin/software/amazon/smithy/kotlin/codegen/rendering/endpoints/EndpointDelegator.kt
@@ -33,7 +33,7 @@ interface EndpointDelegator {
         val defaultProviderSymbol = DefaultEndpointProviderGenerator.getSymbol(ctx.settings)
 
         ctx.delegator.useFileWriter(providerSymbol) {
-            EndpointProviderGenerator(it, providerSymbol, paramsSymbol).render()
+            EndpointProviderGenerator(it, ctx.settings, providerSymbol, paramsSymbol).render()
         }
 
         if (rules != null) {
@@ -49,7 +49,7 @@ interface EndpointDelegator {
     fun generateEndpointParameters(ctx: ProtocolGenerator.GenerationContext, rules: EndpointRuleSet?) {
         val paramsSymbol = EndpointParametersGenerator.getSymbol(ctx.settings)
         ctx.delegator.useFileWriter(paramsSymbol) {
-            EndpointParametersGenerator(it, rules, paramsSymbol).render()
+            EndpointParametersGenerator(it, ctx.settings, rules, paramsSymbol).render()
         }
     }
 
diff --git a/codegen/smithy-kotlin-codegen/src/main/kotlin/software/amazon/smithy/kotlin/codegen/rendering/endpoints/EndpointParametersGenerator.kt b/codegen/smithy-kotlin-codegen/src/main/kotlin/software/amazon/smithy/kotlin/codegen/rendering/endpoints/EndpointParametersGenerator.kt
index 34d08ab67..266b695ef 100644
--- a/codegen/smithy-kotlin-codegen/src/main/kotlin/software/amazon/smithy/kotlin/codegen/rendering/endpoints/EndpointParametersGenerator.kt
+++ b/codegen/smithy-kotlin-codegen/src/main/kotlin/software/amazon/smithy/kotlin/codegen/rendering/endpoints/EndpointParametersGenerator.kt
@@ -22,6 +22,7 @@ private const val DEFAULT_DEPRECATED_MESSAGE =
  */
 class EndpointParametersGenerator(
     private val writer: KotlinWriter,
+    private val settings: KotlinSettings,
     rules: EndpointRuleSet?,
     private val paramsSymbol: Symbol,
 ) {
@@ -51,7 +52,10 @@ class EndpointParametersGenerator(
     fun render() {
         renderDocumentation()
         // FIXME - this should probably be an interface
-        writer.withBlock("public class #T private constructor(builder: Builder) {", "}", paramsSymbol) {
+        writer.withBlock("#L class #T private constructor(builder: Builder) {", "}",
+            settings.build.visibility.structure,
+            paramsSymbol
+        ) {
             renderFields()
             renderCompanionObject()
             write("")
diff --git a/codegen/smithy-kotlin-codegen/src/main/kotlin/software/amazon/smithy/kotlin/codegen/rendering/endpoints/EndpointProviderGenerator.kt b/codegen/smithy-kotlin-codegen/src/main/kotlin/software/amazon/smithy/kotlin/codegen/rendering/endpoints/EndpointProviderGenerator.kt
index c1cc9633c..0415352dd 100644
--- a/codegen/smithy-kotlin-codegen/src/main/kotlin/software/amazon/smithy/kotlin/codegen/rendering/endpoints/EndpointProviderGenerator.kt
+++ b/codegen/smithy-kotlin-codegen/src/main/kotlin/software/amazon/smithy/kotlin/codegen/rendering/endpoints/EndpointProviderGenerator.kt
@@ -18,6 +18,7 @@ import software.amazon.smithy.kotlin.codegen.model.buildSymbol
  */
 class EndpointProviderGenerator(
     private val writer: KotlinWriter,
+    private val settings: KotlinSettings,
     private val providerSymbol: Symbol,
     private val paramsSymbol: Symbol,
 ) {
@@ -33,7 +34,8 @@ class EndpointProviderGenerator(
     fun render() {
         renderDocumentation()
         writer.write(
-            "public fun interface #T: #T<#T>",
+            "#L fun interface #T: #T<#T>",
+            settings.build.visibility.structure,
             providerSymbol,
             RuntimeTypes.SmithyClient.Endpoints.EndpointProvider,
             paramsSymbol,
diff --git a/codegen/smithy-kotlin-codegen/src/test/kotlin/software/amazon/smithy/kotlin/codegen/rendering/endpoints/EndpointParametersGeneratorTest.kt b/codegen/smithy-kotlin-codegen/src/test/kotlin/software/amazon/smithy/kotlin/codegen/rendering/endpoints/EndpointParametersGeneratorTest.kt
index 476c7c5c8..db585ec37 100644
--- a/codegen/smithy-kotlin-codegen/src/test/kotlin/software/amazon/smithy/kotlin/codegen/rendering/endpoints/EndpointParametersGeneratorTest.kt
+++ b/codegen/smithy-kotlin-codegen/src/test/kotlin/software/amazon/smithy/kotlin/codegen/rendering/endpoints/EndpointParametersGeneratorTest.kt
@@ -4,6 +4,7 @@
  */
 package software.amazon.smithy.kotlin.codegen.rendering.endpoints
 
+import software.amazon.smithy.kotlin.codegen.KotlinSettings
 import software.amazon.smithy.kotlin.codegen.core.KotlinWriter
 import software.amazon.smithy.kotlin.codegen.model.buildSymbol
 import software.amazon.smithy.kotlin.codegen.test.TestModelDefault
@@ -11,6 +12,7 @@ import software.amazon.smithy.kotlin.codegen.test.assertBalancedBracesAndParens
 import software.amazon.smithy.kotlin.codegen.test.formatForTest
 import software.amazon.smithy.kotlin.codegen.test.shouldContainOnlyOnceWithDiff
 import software.amazon.smithy.model.node.Node
+import software.amazon.smithy.model.shapes.ShapeId
 import software.amazon.smithy.rulesengine.language.EndpointRuleSet
 import kotlin.test.*
 
@@ -83,7 +85,12 @@ class EndpointParametersGeneratorTest {
             name = "EndpointParameters"
             namespace = TestModelDefault.NAMESPACE
         }
-        EndpointParametersGenerator(writer, rules, paramsSymbol).render()
+        val settings = KotlinSettings(
+            service = ShapeId.from("com.test#Test"),
+            pkg = KotlinSettings.PackageSettings("name", "version"),
+            sdkId = "testSdkId",
+        )
+        EndpointParametersGenerator(writer, settings, rules, paramsSymbol).render()
 
         generatedClass = writer.toString()
     }