diff --git a/backend/feature/post/Cargo.toml b/backend/feature/post/Cargo.toml
index 052b52c..dc63b3e 100644
--- a/backend/feature/post/Cargo.toml
+++ b/backend/feature/post/Cargo.toml
@@ -10,3 +10,4 @@ chrono.workspace = true
 log.workspace = true
 serde.workspace = true
 sqlx.workspace = true
+utoipa.workspace = true
diff --git a/backend/feature/post/src/adapter/delivery/color_response_dto.rs b/backend/feature/post/src/adapter/delivery/color_response_dto.rs
index 0d8e1cf..274f95a 100644
--- a/backend/feature/post/src/adapter/delivery/color_response_dto.rs
+++ b/backend/feature/post/src/adapter/delivery/color_response_dto.rs
@@ -1,8 +1,9 @@
 use serde::Serialize;
+use utoipa::ToSchema;
 
 use crate::domain::entity::color::Color;
 
-#[derive(Serialize)]
+#[derive(Serialize, ToSchema)]
 pub struct ColorResponseDto {
     pub red: u8,
     pub green: u8,
diff --git a/backend/feature/post/src/adapter/delivery/label_response_dto.rs b/backend/feature/post/src/adapter/delivery/label_response_dto.rs
index 9da46d3..bd9a620 100644
--- a/backend/feature/post/src/adapter/delivery/label_response_dto.rs
+++ b/backend/feature/post/src/adapter/delivery/label_response_dto.rs
@@ -1,10 +1,11 @@
 use serde::Serialize;
+use utoipa::ToSchema;
 
 use crate::{
     adapter::delivery::color_response_dto::ColorResponseDto, domain::entity::label::Label,
 };
 
-#[derive(Serialize)]
+#[derive(Serialize, ToSchema)]
 pub struct LabelResponseDto {
     pub id: i32,
     pub name: String,
diff --git a/backend/feature/post/src/adapter/delivery/post_controller.rs b/backend/feature/post/src/adapter/delivery/post_controller.rs
index 861bfb8..454be2a 100644
--- a/backend/feature/post/src/adapter/delivery/post_controller.rs
+++ b/backend/feature/post/src/adapter/delivery/post_controller.rs
@@ -2,11 +2,14 @@ use std::sync::Arc;
 
 use async_trait::async_trait;
 
-use crate::application::{
-    error::post_error::PostError,
-    use_case::{
-        get_all_post_info_use_case::GetAllPostInfoUseCase,
-        get_full_post_use_case::GetFullPostUseCase,
+use crate::{
+    adapter::delivery::post_info_query_dto::PostQueryDto,
+    application::{
+        error::post_error::PostError,
+        use_case::{
+            get_all_post_info_use_case::GetAllPostInfoUseCase,
+            get_full_post_use_case::GetFullPostUseCase,
+        },
     },
 };
 
@@ -16,10 +19,10 @@ use super::{post_info_response_dto::PostInfoResponseDto, post_response_dto::Post
 pub trait PostController: Send + Sync {
     async fn get_all_post_info(
         &self,
-        is_published_only: bool,
+        query: PostQueryDto,
     ) -> Result<Vec<PostInfoResponseDto>, PostError>;
 
-    async fn get_full_post(&self, id: i32) -> Result<PostResponseDto, PostError>;
+    async fn get_post_by_id(&self, id: i32) -> Result<PostResponseDto, PostError>;
 }
 
 pub struct PostControllerImpl {
@@ -43,9 +46,12 @@ impl PostControllerImpl {
 impl PostController for PostControllerImpl {
     async fn get_all_post_info(
         &self,
-        is_published_only: bool,
+        query: PostQueryDto,
     ) -> Result<Vec<PostInfoResponseDto>, PostError> {
-        let result = self.get_all_post_info_use_case.execute(is_published_only).await;
+        let result = self
+            .get_all_post_info_use_case
+            .execute(query.is_published_only.unwrap_or(true))
+            .await;
 
         result.map(|post_info_list| {
             let post_info_response_dto_list: Vec<PostInfoResponseDto> = post_info_list
@@ -57,7 +63,7 @@ impl PostController for PostControllerImpl {
         })
     }
 
-    async fn get_full_post(&self, id: i32) -> Result<PostResponseDto, PostError> {
+    async fn get_post_by_id(&self, id: i32) -> Result<PostResponseDto, PostError> {
         let result = self.get_full_post_use_case.execute(id).await;
 
         result.map(PostResponseDto::from)
diff --git a/backend/feature/post/src/adapter/delivery/post_info_query_dto.rs b/backend/feature/post/src/adapter/delivery/post_info_query_dto.rs
index 22e3676..5132186 100644
--- a/backend/feature/post/src/adapter/delivery/post_info_query_dto.rs
+++ b/backend/feature/post/src/adapter/delivery/post_info_query_dto.rs
@@ -1,6 +1,7 @@
 use serde::Deserialize;
+use utoipa::IntoParams;
 
-#[derive(Deserialize)]
+#[derive(Deserialize, IntoParams)]
 pub struct PostQueryDto {
     pub is_published_only: Option<bool>,
 }
diff --git a/backend/feature/post/src/adapter/delivery/post_info_response_dto.rs b/backend/feature/post/src/adapter/delivery/post_info_response_dto.rs
index da41320..dd33091 100644
--- a/backend/feature/post/src/adapter/delivery/post_info_response_dto.rs
+++ b/backend/feature/post/src/adapter/delivery/post_info_response_dto.rs
@@ -1,10 +1,11 @@
 use serde::Serialize;
+use utoipa::ToSchema;
 
 use crate::domain::entity::post_info::PostInfo;
 
 use super::label_response_dto::LabelResponseDto;
 
-#[derive(Serialize)]
+#[derive(Serialize, ToSchema)]
 pub struct PostInfoResponseDto {
     pub id: i32,
     pub title: String,
diff --git a/backend/feature/post/src/adapter/delivery/post_response_dto.rs b/backend/feature/post/src/adapter/delivery/post_response_dto.rs
index a4521c3..85c0c02 100644
--- a/backend/feature/post/src/adapter/delivery/post_response_dto.rs
+++ b/backend/feature/post/src/adapter/delivery/post_response_dto.rs
@@ -1,10 +1,11 @@
 use serde::Serialize;
+use utoipa::ToSchema;
 
 use crate::domain::entity::post::Post;
 
 use super::post_info_response_dto::PostInfoResponseDto;
 
-#[derive(Serialize)]
+#[derive(Serialize, ToSchema)]
 pub struct PostResponseDto {
     pub id: i32,
     pub info: PostInfoResponseDto,
diff --git a/backend/feature/post/src/framework/web.rs b/backend/feature/post/src/framework/web.rs
index f41f9a6..bacfac4 100644
--- a/backend/feature/post/src/framework/web.rs
+++ b/backend/feature/post/src/framework/web.rs
@@ -1 +1,5 @@
+pub mod post_api_doc;
 pub mod post_web_routes;
+
+mod get_all_post_info_handler;
+mod get_post_by_id_handler;
diff --git a/backend/feature/post/src/framework/web/get_all_post_info_handler.rs b/backend/feature/post/src/framework/web/get_all_post_info_handler.rs
new file mode 100644
index 0000000..f0e34ca
--- /dev/null
+++ b/backend/feature/post/src/framework/web/get_all_post_info_handler.rs
@@ -0,0 +1,33 @@
+use actix_web::{HttpResponse, Responder, web};
+
+use crate::adapter::delivery::{
+    post_controller::PostController, post_info_query_dto::PostQueryDto,
+    post_info_response_dto::PostInfoResponseDto,
+};
+
+#[utoipa::path(
+    get,
+    path = "/post/all",
+    tag = "post",
+    summary = "Get all post information",
+    params(
+        PostQueryDto
+    ),
+    responses (
+        (status = 200, body = [PostInfoResponseDto])
+    )
+)]
+pub async fn get_all_post_info_handler(
+    post_controller: web::Data<dyn PostController>,
+    query: web::Query<PostQueryDto>,
+) -> impl Responder {
+    let result = post_controller.get_all_post_info(query.into_inner()).await;
+
+    match result {
+        Ok(post_info_list) => HttpResponse::Ok().json(post_info_list),
+        Err(e) => {
+            log::error!("{e:?}");
+            HttpResponse::InternalServerError().finish()
+        }
+    }
+}
diff --git a/backend/feature/post/src/framework/web/get_post_by_id_handler.rs b/backend/feature/post/src/framework/web/get_post_by_id_handler.rs
new file mode 100644
index 0000000..03576c8
--- /dev/null
+++ b/backend/feature/post/src/framework/web/get_post_by_id_handler.rs
@@ -0,0 +1,36 @@
+use actix_web::{HttpResponse, Responder, web};
+
+use crate::{
+    adapter::delivery::{post_controller::PostController, post_response_dto::PostResponseDto},
+    application::error::post_error::PostError,
+};
+
+#[utoipa::path(
+    get,
+    path = "/post/{id}",
+    tag = "post",
+    summary = "Get post by ID",
+    responses (
+        (status = 200, body = PostResponseDto),
+        (status = 404, description = "Post not found")
+    )
+)]
+pub async fn get_post_by_id_handler(
+    post_controller: web::Data<dyn PostController>,
+    path: web::Path<i32>,
+) -> impl Responder {
+    let id = path.into_inner();
+    let result = post_controller.get_post_by_id(id).await;
+
+    match result {
+        Ok(post) => HttpResponse::Ok().json(post),
+        Err(e) => {
+            if e == PostError::NotFound {
+                HttpResponse::NotFound().finish()
+            } else {
+                log::error!("{e:?}");
+                HttpResponse::InternalServerError().finish()
+            }
+        }
+    }
+}
diff --git a/backend/feature/post/src/framework/web/post_api_doc.rs b/backend/feature/post/src/framework/web/post_api_doc.rs
new file mode 100644
index 0000000..13ee1ce
--- /dev/null
+++ b/backend/feature/post/src/framework/web/post_api_doc.rs
@@ -0,0 +1,16 @@
+use utoipa::{OpenApi, openapi};
+use crate::framework::web::{
+    get_all_post_info_handler, 
+    get_post_by_id_handler
+};
+
+#[derive(OpenApi)]
+#[openapi(paths(
+    get_all_post_info_handler::get_all_post_info_handler,
+    get_post_by_id_handler::get_post_by_id_handler
+))]
+struct PostApiDoc;
+
+pub fn openapi() -> openapi::OpenApi {
+    PostApiDoc::openapi()
+}
diff --git a/backend/feature/post/src/framework/web/post_web_routes.rs b/backend/feature/post/src/framework/web/post_web_routes.rs
index bb68943..74ea8d3 100644
--- a/backend/feature/post/src/framework/web/post_web_routes.rs
+++ b/backend/feature/post/src/framework/web/post_web_routes.rs
@@ -1,50 +1,14 @@
-use actix_web::{HttpResponse, Responder, web};
+use actix_web::web;
 
-use crate::{
-    adapter::delivery::{post_controller::PostController, post_info_query_dto::PostQueryDto},
-    application::error::post_error::PostError,
+use crate::framework::web::{
+    get_all_post_info_handler::get_all_post_info_handler,
+    get_post_by_id_handler::get_post_by_id_handler,
 };
 
 pub fn configure_post_routes(cfg: &mut web::ServiceConfig) {
     cfg.service(
         web::scope("/post")
             .route("/all", web::get().to(get_all_post_info_handler))
-            .route("/{id}", web::get().to(get_full_post_handler)),
+            .route("/{id}", web::get().to(get_post_by_id_handler)),
     );
 }
-
-async fn get_all_post_info_handler(
-    post_controller: web::Data<dyn PostController>,
-    query: web::Query<PostQueryDto>,
-) -> impl Responder {
-    let is_published_only = query.is_published_only.unwrap_or_else(|| true);
-    let result = post_controller.get_all_post_info(is_published_only).await;
-
-    match result {
-        Ok(post_info_list) => HttpResponse::Ok().json(post_info_list),
-        Err(e) => {
-            log::error!("{e:?}");
-            HttpResponse::InternalServerError().finish()
-        }
-    }
-}
-
-async fn get_full_post_handler(
-    post_controller: web::Data<dyn PostController>,
-    path: web::Path<i32>,
-) -> impl Responder {
-    let id = path.into_inner();
-    let result = post_controller.get_full_post(id).await;
-
-    match result {
-        Ok(post) => HttpResponse::Ok().json(post),
-        Err(e) => {
-            if e == PostError::NotFound {
-                HttpResponse::NotFound().finish()
-            } else {
-                log::error!("{e:?}");
-                HttpResponse::InternalServerError().finish()
-            }
-        }
-    }
-}
diff --git a/backend/server/src/apidoc.rs b/backend/server/src/apidoc.rs
index e844567..66ff21c 100644
--- a/backend/server/src/apidoc.rs
+++ b/backend/server/src/apidoc.rs
@@ -1,14 +1,19 @@
 use actix_web::web;
+use post::framework::web::post_api_doc;
 use utoipa::OpenApi;
 use utoipa_redoc::{Redoc, Servable};
 
 #[derive(OpenApi)]
-#[openapi(info(
-    title = "SquidSpirit API",
-    version = env!("CARGO_PKG_VERSION")
-))]
+#[openapi(
+    info(
+        title = "SquidSpirit API",
+        version = env!("CARGO_PKG_VERSION")
+    )
+)]
 pub struct ApiDoc;
 
 pub fn configure_api_doc_routes(cfg: &mut web::ServiceConfig) {
-    cfg.service(Redoc::with_url("/redoc", ApiDoc::openapi()));
+    let openapi = ApiDoc::openapi().merge_from(post_api_doc::openapi());
+
+    cfg.service(Redoc::with_url("/redoc", openapi));
 }