diff --git a/src/main/kotlin/dev/usbharu/hideout/routing/activitypub/InboxRouting.kt b/src/main/kotlin/dev/usbharu/hideout/routing/activitypub/InboxRouting.kt
new file mode 100644
index 00000000..d82ea289
--- /dev/null
+++ b/src/main/kotlin/dev/usbharu/hideout/routing/activitypub/InboxRouting.kt
@@ -0,0 +1,25 @@
+package dev.usbharu.hideout.routing.activitypub
+
+import io.ktor.server.application.*
+import io.ktor.server.routing.*
+
+fun Routing.inbox(){
+
+        route("/inbox") {
+            get {
+
+            }
+            post {
+
+            }
+        }
+        route("/users/{name}/inbox"){
+            get {
+
+            }
+            post {
+
+            }
+        }
+
+}
diff --git a/src/main/kotlin/dev/usbharu/hideout/routing/activitypub/OutboxRouting.kt b/src/main/kotlin/dev/usbharu/hideout/routing/activitypub/OutboxRouting.kt
new file mode 100644
index 00000000..cc8b133d
--- /dev/null
+++ b/src/main/kotlin/dev/usbharu/hideout/routing/activitypub/OutboxRouting.kt
@@ -0,0 +1,25 @@
+package dev.usbharu.hideout.routing.activitypub
+
+import io.ktor.server.application.*
+import io.ktor.server.routing.*
+
+fun Routing.outbox() {
+
+        route("/outbox") {
+            get {
+
+            }
+            post {
+
+            }
+        }
+        route("/users/{name}/outbox"){
+            get {
+
+            }
+            post {
+
+            }
+        }
+
+}
diff --git a/src/main/kotlin/dev/usbharu/hideout/routing/activitypub/UserRouting.kt b/src/main/kotlin/dev/usbharu/hideout/routing/activitypub/UserRouting.kt
new file mode 100644
index 00000000..a071c5f7
--- /dev/null
+++ b/src/main/kotlin/dev/usbharu/hideout/routing/activitypub/UserRouting.kt
@@ -0,0 +1,25 @@
+package dev.usbharu.hideout.routing.activitypub
+
+import dev.usbharu.hideout.util.HttpUtil.Activity
+import io.ktor.http.*
+import io.ktor.server.application.*
+import io.ktor.server.request.*
+import io.ktor.server.routing.*
+
+fun Routing.users(){
+    route("/users/{name}"){
+        createChild(ContentTypeRouteSelector(ContentType.Application.Activity)).handle {
+        }
+    }
+}
+
+class ContentTypeRouteSelector(private val contentType: ContentType) : RouteSelector() {
+    override fun evaluate(context: RoutingResolveContext, segmentIndex: Int): RouteSelectorEvaluation {
+        return if (context.call.request.contentType() == contentType) {
+            RouteSelectorEvaluation.Constant
+        } else {
+            RouteSelectorEvaluation.Failed
+        }
+    }
+
+}