diff --git a/cmd/api/blogs.go b/cmd/api/blogs.go
index aa71368..79f6284 100644
--- a/cmd/api/blogs.go
+++ b/cmd/api/blogs.go
@@ -64,6 +64,8 @@ func (app *application) showBlogHandler(w http.ResponseWriter, r *http.Request)
 func (app *application) createBlogHandler(w http.ResponseWriter, r *http.Request) {
 	r.ParseMultipartForm(data.DefaultMaxMemory)
 
+	user := app.contextGetUser(r)
+
 	file, handler, err := r.FormFile("thumbnail")
 	if err != nil {
 		app.fileNotFoundResponse(w, r, "thumbnail")
@@ -84,7 +86,7 @@ func (app *application) createBlogHandler(w http.ResponseWriter, r *http.Request
 	}
 
 	blog := &data.Blog{
-		BlogCategoryID: blogCategoryId,
+		BlogCategoryID: int64(blogCategoryId),
 		Thumbnail:      url,
 		Title:          r.FormValue("title"),
 		Description:    r.FormValue("description"),
@@ -95,7 +97,7 @@ func (app *application) createBlogHandler(w http.ResponseWriter, r *http.Request
 		Feature:        r.FormValue("feature") == "true",
 		Status:         r.FormValue("status"),
 		Tags:           r.FormValue("tags"),
-		CreatedBy:      1,
+		CreatedBy:      user.ID,
 		CreatedByText:  "Admin",
 	}
 
@@ -167,7 +169,7 @@ func (app *application) updateBlogHandler(w http.ResponseWriter, r *http.Request
 	}
 
 	blog.Thumbnail = url
-	blog.BlogCategoryID = blogCategoryId
+	blog.BlogCategoryID = int64(blogCategoryId)
 	blog.Title = r.FormValue("title")
 	blog.Description = r.FormValue("description")
 	blog.Content = r.FormValue("content")
diff --git a/cmd/api/routes.go b/cmd/api/routes.go
index fdd458a..6aab808 100644
--- a/cmd/api/routes.go
+++ b/cmd/api/routes.go
@@ -119,7 +119,7 @@ func (app *application) routes() http.Handler {
 	// Blogs
 	router.HandlerFunc(http.MethodGet, "/cms/blogs", app.listBlogsHandler)
 	router.HandlerFunc(http.MethodGet, "/cms/blogs/:id", app.showBlogHandler)
-	router.HandlerFunc(http.MethodPost, "/cms/blogs", app.createBlogHandler)
+	router.HandlerFunc(http.MethodPost, "/cms/blogs", app.requireAuthenticatedAdmin(app.createBlogHandler))
 	router.HandlerFunc(http.MethodPut, "/cms/blogs/:id", app.updateBlogHandler)
 	router.HandlerFunc(http.MethodDelete, "/cms/blogs/:id", app.deleteBlogHandler)
 
diff --git a/internal/data/blogs.go b/internal/data/blogs.go
index 3115794..a6f16a2 100644
--- a/internal/data/blogs.go
+++ b/internal/data/blogs.go
@@ -12,7 +12,7 @@ import (
 type Blog struct {
 	ID             int64        `json:"id"`
 	BlogCategory   BlogCategory `json:"blog_category"`
-	BlogCategoryID int          `json:"blog_category_id"`
+	BlogCategoryID int64        `json:"blog_category_id"`
 	Thumbnail      string       `json:"thumbnail"`
 	Title          string       `json:"title"`
 	Description    string       `json:"description"`
@@ -23,7 +23,7 @@ type Blog struct {
 	Feature        bool         `json:"feature"`
 	Status         string       `json:"status"`
 	Tags           string       `json:"tags"`
-	CreatedBy      int          `json:"created_by"`
+	CreatedBy      int64        `json:"created_by"`
 	DeletedAt      time.Time    `json:"-"`
 	CreatedAt      time.Time    `json:"-"`
 	UpdatedAt      time.Time    `json:"-"`