diff --git a/api/Blog.api b/api/Blog.api
index c9a7521..e4052b1 100644
--- a/api/Blog.api
+++ b/api/Blog.api
@@ -11,99 +11,99 @@ info (
 type (
 	PingReq  {}
 	PingResp {
-		ok bool `json:"ok"`
+		OK bool `json:"ok"` // Indicates if the server is healthy
 	}
 )
 
 type (
 	UploadPresignedURLReq {
-		file_name string `json:"file_name"` // Original file name
+		FileName string `json:"fileName"` // Name of the file to be uploaded
 	}
 	UploadPresignedURLResp {
-		url       string `json:"url"` // Presigned URL for upload
-		file_key  string `json:"file_key"` // Key to identify the uploaded file
-		expire_at int64  `json:"expire_at"` // Expiration timestamp
+		Url      string `json:"url"` // Presigned URL for uploading the file
+		FileKey  string `json:"fileKey"` // Unique key to identify the uploaded file
+		ExpireAt int64  `json:"expireAt"` // Timestamp when the presigned URL expires
 	}
 )
 
 type (
 	DownloadPresignedURLReq {
-		file_key string `json:"file_key"` // Key to identify the file to download
+		FileKey string `json:"fileKey"` // Unique key of the file to be downloaded
 	}
 	DownloadPresignedURLResp {
-		url       string `json:"url"` // Presigned URL for download
-		expire_at int64  `json:"expire_at"` // Expiration timestamp
+		Url      string `json:"url"` // Presigned URL for downloading the file
+		ExpireAt int64  `json:"expireAt"` // Timestamp when the presigned URL expires
 	}
 )
 
 type (
 	CreatePostReq {
-		title           string `json:"title"`
-		content         string `json:"content"`
-		cover_image_key string `json:"cover_image_key"`
+		Title         string `json:"title"` // Title of the blog post
+		Content       string `json:"content"` // Content/body of the blog post
+		CoverImageKey string `json:"coverImageKey"` // Key of the cover image file (optional)
 	}
 	CreatePostResp {
-		post_id string `json:"post_id"`
+		PostId string `json:"postId"` // Unique identifier of the created post
 	}
 )
 
 type (
 	EditPostReq {
-		post_id         string `json:"post_id"`
-		title           string `json:"title"`
-		content         string `json:"content"`
-		cover_image_key string `json:"cover_image_key"`
+		PostId        string `json:"postId"` // Unique identifier of the post to edit
+		Title         string `json:"title"` // New title of the blog post
+		Content       string `json:"content"` // New content/body of the blog post
+		CoverImageKey string `json:"coverImageKey"` // New key of the cover image file (optional)
 	}
 	EditPostResp  {}
 )
 
 type (
 	DeletePostReq {
-		post_id string `json:"post_id"`
+		PostId string `json:"postId"` // Unique identifier of the post to delete
 	}
 	DeletePostResp  {}
 )
 
 type (
 	GetPostReq {
-		post_id string `json:"post_id"`
+		PostId string `json:"postId"` // Unique identifier of the post to retrieve
 	}
 	GetPostResp {
-		post_id         string `json:"post_id"`
-		title           string `json:"title"`
-		content         string `json:"content"`
-		cover_image_url string `json:"cover_image_url"`
-		created_at      int64  `json:"created_at"`
-		updated_at      int64  `json:"updated_at"`
+		PostId        string `json:"postId"` // Unique identifier of the post
+		Title         string `json:"title"` // Title of the blog post
+		Content       string `json:"content"` // Content/body of the blog post
+		CoverImageUrl string `json:"coverImageUrl"` // URL of the cover image (if exists)
+		CreatedAt     int64  `json:"createdAt"` // Timestamp when the post was created
+		UpdatedAt     int64  `json:"updatedAt"` // Timestamp when the post was last updated
 	}
 )
 
 type (
 	ListPostsReq {
-		page      int `json:"page"`
-		page_size int `json:"page_size"`
+		Page     int `json:"page"` // Page number for pagination (1-based)
+		PageSize int `json:"pageSize"` // Number of posts per page
 	}
 	ListPostsResp {
-		posts       []ListPostsRespPosts `json:"posts"`
-		total_count int                  `json:"total_count"`
+		Posts      []ListPostsRespPosts `json:"posts"` // Array of blog posts
+		TotalCount int                  `json:"totalCount"` // Total number of posts available
 	}
 	ListPostsRespPosts {
-		post_id         string `json:"post_id"`
-		title           string `json:"title"`
-		cover_image_url string `json:"cover_image_url"`
-		created_at      int64  `json:"created_at"`
-		updated_at      int64  `json:"updated_at"`
+		PostId        string `json:"postId"` // Unique identifier of the post
+		Title         string `json:"title"` // Title of the blog post
+		CoverImageUrl string `json:"coverImageUrl"` // URL of the cover image (if exists)
+		CreatedAt     int64  `json:"createdAt"` // Timestamp when the post was created
+		UpdatedAt     int64  `json:"updatedAt"` // Timestamp when the post was last updated
 	}
 )
 
 type (
 	ListTagsReq  {}
 	ListTagsResp {
-		tags []ListTagsRespTags `json:"tags"`
+		Tags []ListTagsRespTags `json:"tags"` // Array of blog tags
 	}
 	ListTagsRespTags {
-		tag_id   string `json:"tag_id"`
-		tag_name string `json:"tag_name"`
+		TagId   string `json:"tagId"` // Unique identifier of the tag
+		TagName string `json:"tagName"` // Name of the tag
 	}
 )
 
diff --git a/app/internal/types/types.go b/app/internal/types/types.go
index 809dca1..5b237cc 100644
--- a/app/internal/types/types.go
+++ b/app/internal/types/types.go
@@ -4,97 +4,97 @@
 package types
 
 type CreatePostReq struct {
-	Title           string `json:"title"`
-	Content         string `json:"content"`
-	Cover_image_key string `json:"cover_image_key"`
+	Title         string `json:"title"`         // Title of the blog post
+	Content       string `json:"content"`       // Content/body of the blog post
+	CoverImageKey string `json:"coverImageKey"` // Key of the cover image file (optional)
 }
 
 type CreatePostResp struct {
-	Post_id string `json:"post_id"`
+	PostId string `json:"postId"` // Unique identifier of the created post
 }
 
 type DeletePostReq struct {
-	Post_id string `json:"post_id"`
+	PostId string `json:"postId"` // Unique identifier of the post to delete
 }
 
 type DeletePostResp struct {
 }
 
 type DownloadPresignedURLReq struct {
-	File_key string `json:"file_key"` // Key to identify the file to download
+	FileKey string `json:"fileKey"` // Unique key of the file to be downloaded
 }
 
 type DownloadPresignedURLResp struct {
-	Url       string `json:"url"`       // Presigned URL for download
-	Expire_at int64  `json:"expire_at"` // Expiration timestamp
+	Url      string `json:"url"`      // Presigned URL for downloading the file
+	ExpireAt int64  `json:"expireAt"` // Timestamp when the presigned URL expires
 }
 
 type EditPostReq struct {
-	Post_id         string `json:"post_id"`
-	Title           string `json:"title"`
-	Content         string `json:"content"`
-	Cover_image_key string `json:"cover_image_key"`
+	PostId        string `json:"postId"`        // Unique identifier of the post to edit
+	Title         string `json:"title"`         // New title of the blog post
+	Content       string `json:"content"`       // New content/body of the blog post
+	CoverImageKey string `json:"coverImageKey"` // New key of the cover image file (optional)
 }
 
 type EditPostResp struct {
 }
 
 type GetPostReq struct {
-	Post_id string `json:"post_id"`
+	PostId string `json:"postId"` // Unique identifier of the post to retrieve
 }
 
 type GetPostResp struct {
-	Post_id         string `json:"post_id"`
-	Title           string `json:"title"`
-	Content         string `json:"content"`
-	Cover_image_url string `json:"cover_image_url"`
-	Created_at      int64  `json:"created_at"`
-	Updated_at      int64  `json:"updated_at"`
+	PostId        string `json:"postId"`        // Unique identifier of the post
+	Title         string `json:"title"`         // Title of the blog post
+	Content       string `json:"content"`       // Content/body of the blog post
+	CoverImageUrl string `json:"coverImageUrl"` // URL of the cover image (if exists)
+	CreatedAt     int64  `json:"createdAt"`     // Timestamp when the post was created
+	UpdatedAt     int64  `json:"updatedAt"`     // Timestamp when the post was last updated
 }
 
 type ListPostsReq struct {
-	Page      int `json:"page"`
-	Page_size int `json:"page_size"`
+	Page     int `json:"page"`     // Page number for pagination (1-based)
+	PageSize int `json:"pageSize"` // Number of posts per page
 }
 
 type ListPostsResp struct {
-	Posts       []ListPostsRespPosts `json:"posts"`
-	Total_count int                  `json:"total_count"`
+	Posts      []ListPostsRespPosts `json:"posts"`      // Array of blog posts
+	TotalCount int                  `json:"totalCount"` // Total number of posts available
 }
 
 type ListPostsRespPosts struct {
-	Post_id         string `json:"post_id"`
-	Title           string `json:"title"`
-	Cover_image_url string `json:"cover_image_url"`
-	Created_at      int64  `json:"created_at"`
-	Updated_at      int64  `json:"updated_at"`
+	PostId        string `json:"postId"`        // Unique identifier of the post
+	Title         string `json:"title"`         // Title of the blog post
+	CoverImageUrl string `json:"coverImageUrl"` // URL of the cover image (if exists)
+	CreatedAt     int64  `json:"createdAt"`     // Timestamp when the post was created
+	UpdatedAt     int64  `json:"updatedAt"`     // Timestamp when the post was last updated
 }
 
 type ListTagsReq struct {
 }
 
 type ListTagsResp struct {
-	Tags []ListTagsRespTags `json:"tags"`
+	Tags []ListTagsRespTags `json:"tags"` // Array of blog tags
 }
 
 type ListTagsRespTags struct {
-	Tag_id   string `json:"tag_id"`
-	Tag_name string `json:"tag_name"`
+	TagId   string `json:"tagId"`   // Unique identifier of the tag
+	TagName string `json:"tagName"` // Name of the tag
 }
 
 type PingReq struct {
 }
 
 type PingResp struct {
-	Ok bool `json:"ok"`
+	OK bool `json:"ok"` // Indicates if the server is healthy
 }
 
 type UploadPresignedURLReq struct {
-	File_name string `json:"file_name"` // Original file name
+	FileName string `json:"fileName"` // Name of the file to be uploaded
 }
 
 type UploadPresignedURLResp struct {
-	Url       string `json:"url"`       // Presigned URL for upload
-	File_key  string `json:"file_key"`  // Key to identify the uploaded file
-	Expire_at int64  `json:"expire_at"` // Expiration timestamp
+	Url      string `json:"url"`      // Presigned URL for uploading the file
+	FileKey  string `json:"fileKey"`  // Unique key to identify the uploaded file
+	ExpireAt int64  `json:"expireAt"` // Timestamp when the presigned URL expires
 }