diff --git a/server/src/db.rs b/server/src/db.rs
index 1baed3e..14e9db9 100644
--- a/server/src/db.rs
+++ b/server/src/db.rs
@@ -1,4 +1,4 @@
-use crate::routes::{Comment, Post, User};
+use crate::types::{Comment, Post, User};
 use argon2::{
     password_hash::{rand_core::OsRng, SaltString},
     Argon2, PasswordHasher, PasswordVerifier,
diff --git a/server/src/main.rs b/server/src/main.rs
index e57aaf0..06ed9ce 100755
--- a/server/src/main.rs
+++ b/server/src/main.rs
@@ -8,6 +8,7 @@ mod db;
 mod jwt;
 mod routes;
 mod state;
+mod types;
 mod util;
 
 use routes::{get_comments, get_posts, login, new_comment, new_post, post_by_id, register};
diff --git a/server/src/routes/comment.rs b/server/src/routes/comment.rs
index e67a2a2..3df7e00 100644
--- a/server/src/routes/comment.rs
+++ b/server/src/routes/comment.rs
@@ -1,49 +1,21 @@
 use crate::db::{db_get_comments, db_new_comment};
 use crate::jwt::validate_token;
+use crate::types::{CommentQueryParams, NewComment};
 use crate::ServerState;
 
 use actix_web::get;
 use actix_web::web::{Data, Query};
 use actix_web::{post, web::Json, HttpResponse, Responder, Result};
 use log::info;
-use serde::{Deserialize, Serialize};
-
-#[derive(Debug, Serialize, Deserialize)]
-pub struct NewComment {
-    pub parent_post_id: i64,
-    pub parent_comment_id: Option<i64>,
-    pub user_token: String,
-    pub content: String,
-}
-
-#[derive(Debug, Serialize, Deserialize, Clone, sqlx::FromRow)]
-pub struct Comment {
-    pub id: i64,
-    pub parent_post_id: i64,
-    pub parent_comment_id: Option<i64>,
-    pub author_user_id: i64,
-    pub upvotes: i64,
-    pub downvotes: i64,
-    pub content: String,
-    pub created_at: chrono::NaiveDateTime,
-    pub updated_at: chrono::NaiveDateTime,
-}
-
-#[derive(Debug, Serialize, Deserialize)]
-pub struct CommentQueryParams {
-    post_id: i64,
-    limit: Option<i64>,
-    offset: Option<i64>,
-}
 
 #[get("/comments")]
 pub async fn get_comments(
-    commentiflter: Query<CommentQueryParams>,
+    comment_filter: Query<CommentQueryParams>,
     state: Data<ServerState>,
 ) -> Result<impl Responder> {
-    let post_id = commentiflter.post_id;
-    let limit = commentiflter.limit.unwrap_or(10);
-    let offset = commentiflter.offset.unwrap_or(0);
+    let post_id = comment_filter.post_id;
+    let limit = comment_filter.limit.unwrap_or(10);
+    let offset = comment_filter.offset.unwrap_or(0);
 
     info!(
         "Getting comments for post {} with limit {} and offset {}",
diff --git a/server/src/routes/post.rs b/server/src/routes/post.rs
index 286ac56..0eb4ec5 100755
--- a/server/src/routes/post.rs
+++ b/server/src/routes/post.rs
@@ -1,57 +1,17 @@
 use crate::db::{db_get_latest_posts, db_get_post, db_new_post};
 use crate::jwt::validate_token;
+use crate::types::{NewPost, PostQueryParams};
 use crate::ServerState;
 
 use actix_web::web::{Data, Path, Query};
 use actix_web::{get, post, web::Json, HttpResponse, Responder, Result};
 use log::info;
-use serde::{Deserialize, Serialize};
-use sqlx::FromRow;
-
-// The post as it is received from the client
-// The token is used to identify the user
-#[derive(Debug, Serialize, Deserialize)]
-pub struct NewPost {
-    pub content: String,
-    pub token: String,
-}
-
-// The post as it is stored in the database, with all the related metadata
-#[derive(Debug, Serialize, Deserialize, Clone, FromRow)]
-pub struct Post {
-    pub id: i64,
-    pub user_id: i64,
-    pub content: String,
-    pub upvotes: i64,
-    pub downvotes: i64,
-    pub created_at: chrono::NaiveDateTime,
-    pub updated_at: chrono::NaiveDateTime,
-}
-
-/// The user as it is stored in the database, with all the related metadata
-#[derive(Debug, Serialize, Deserialize, Clone, FromRow)]
-pub struct User {
-    pub id: i64,
-    pub username: String,
-    pub password: String,
-    pub created_at: chrono::NaiveDateTime,
-    pub updated_at: chrono::NaiveDateTime,
-}
-
-// These look like /posts?limit=10&offset=20 in the URL
-// Note that these are optional
-/// Query parameters for the /posts endpoint
-#[derive(Debug, Serialize, Deserialize)]
-pub struct QueryParams {
-    limit: Option<i64>,
-    offset: Option<i64>,
-}
 
 /// Gets all posts from the database, query parameters are optional
 /// If limit is not specified, it defaults to a sane value
 #[get("/posts")]
 pub async fn get_posts(
-    query: Query<QueryParams>,
+    query: Query<PostQueryParams>,
     state: Data<ServerState>,
 ) -> Result<impl Responder> {
     if let (Some(lim), Some(ofs)) = (query.limit, query.offset) {
diff --git a/server/src/routes/users.rs b/server/src/routes/users.rs
index 60cfc4f..21013dd 100755
--- a/server/src/routes/users.rs
+++ b/server/src/routes/users.rs
@@ -1,32 +1,13 @@
 use crate::db::{db_new_user, db_user_login};
 use crate::jwt::token_factory;
 use crate::state::CaptchaState;
+use crate::types::{AuthResponse, LoginData, RegisterData};
 use crate::ServerState;
 
 use actix_web::web::Data;
 use actix_web::{post, web::Json, HttpResponse, Responder, Result};
 use biosvg::BiosvgBuilder;
 use log::*;
-use serde::{Deserialize, Serialize};
-
-#[derive(Debug, Serialize, Deserialize)]
-pub struct LoginData {
-    username: String,
-    password: String,
-}
-
-#[derive(Debug, Serialize, Deserialize)]
-pub struct AuthResponse {
-    username: String,
-    token: String,
-}
-
-#[derive(Debug, Serialize, Deserialize)]
-pub struct RegisterData {
-    username: String,
-    password: String,
-    captcha: String,
-}
 
 #[post("/register")]
 pub async fn register(
@@ -77,12 +58,6 @@ pub async fn login(data: Json<LoginData>, state: Data<ServerState>) -> Result<im
     }
 }
 
-#[derive(Debug, Serialize, Deserialize)]
-pub struct CaptchaResponse {
-    captcha_svg: String,
-    captcha_id: i32,
-}
-
 /// Request a captcha from the captcha service
 #[allow(unreachable_code, unused_variables)]
 #[post("/captcha")]
diff --git a/server/src/types/comment.rs b/server/src/types/comment.rs
new file mode 100644
index 0000000..af9758e
--- /dev/null
+++ b/server/src/types/comment.rs
@@ -0,0 +1,33 @@
+use serde::{Deserialize, Serialize};
+
+/// The comment as it is received from the client
+#[derive(Debug, Serialize, Deserialize)]
+pub struct NewComment {
+    pub parent_post_id: i64,
+    pub parent_comment_id: Option<i64>,
+    pub user_token: String,
+    pub content: String,
+}
+
+/// The comment as it is stored in the database, with all the related metadata
+/// This is also the comment as it is sent to the client
+#[derive(Debug, Serialize, Deserialize, Clone, sqlx::FromRow)]
+pub struct Comment {
+    pub id: i64,
+    pub parent_post_id: i64,
+    pub parent_comment_id: Option<i64>,
+    pub author_user_id: i64,
+    pub upvotes: i64,
+    pub downvotes: i64,
+    pub content: String,
+    pub created_at: chrono::NaiveDateTime,
+    pub updated_at: chrono::NaiveDateTime,
+}
+
+/// Query parameters for the /comments endpoint
+#[derive(Debug, Serialize, Deserialize)]
+pub struct CommentQueryParams {
+    pub post_id: i64,
+    pub limit: Option<i64>,
+    pub offset: Option<i64>,
+}
diff --git a/server/src/types/mod.rs b/server/src/types/mod.rs
new file mode 100644
index 0000000..2cb8992
--- /dev/null
+++ b/server/src/types/mod.rs
@@ -0,0 +1,7 @@
+mod comment;
+mod post;
+mod user;
+
+pub use comment::*;
+pub use post::*;
+pub use user::*;
diff --git a/server/src/types/post.rs b/server/src/types/post.rs
new file mode 100644
index 0000000..f880766
--- /dev/null
+++ b/server/src/types/post.rs
@@ -0,0 +1,31 @@
+use serde::{Deserialize, Serialize};
+use sqlx::FromRow;
+
+// The post as it is received from the client
+// The token is used to identify the user
+#[derive(Debug, Serialize, Deserialize)]
+pub struct NewPost {
+    pub content: String,
+    pub token: String,
+}
+
+// The post as it is stored in the database, with all the related metadata
+#[derive(Debug, Serialize, Deserialize, Clone, FromRow)]
+pub struct Post {
+    pub id: i64,
+    pub user_id: i64,
+    pub content: String,
+    pub upvotes: i64,
+    pub downvotes: i64,
+    pub created_at: chrono::NaiveDateTime,
+    pub updated_at: chrono::NaiveDateTime,
+}
+
+// These look like /posts?limit=10&offset=20 in the URL
+// Note that these are optional
+/// Query parameters for the /posts endpoint
+#[derive(Debug, Serialize, Deserialize)]
+pub struct PostQueryParams {
+    pub limit: Option<i64>,
+    pub offset: Option<i64>,
+}
diff --git a/server/src/types/user.rs b/server/src/types/user.rs
new file mode 100644
index 0000000..4caa229
--- /dev/null
+++ b/server/src/types/user.rs
@@ -0,0 +1,42 @@
+use serde::{Deserialize, Serialize};
+use sqlx::FromRow;
+
+/// The user as it is stored in the database, with all the related metadata
+#[derive(Debug, Serialize, Deserialize, Clone, FromRow)]
+pub struct User {
+    pub id: i64,
+    pub username: String,
+    pub password: String,
+    pub created_at: chrono::NaiveDateTime,
+    pub updated_at: chrono::NaiveDateTime,
+}
+
+/// The data recieved from the login form
+#[derive(Debug, Serialize, Deserialize)]
+pub struct LoginData {
+    pub username: String,
+    pub password: String,
+}
+
+/// The data recieved from the registration form
+#[derive(Debug, Serialize, Deserialize)]
+pub struct RegisterData {
+    pub username: String,
+    pub password: String,
+    pub captcha: String,
+}
+
+/// The response sent to the client after a successful login or registration
+#[derive(Debug, Serialize, Deserialize)]
+pub struct AuthResponse {
+    pub username: String,
+    pub token: String,
+}
+
+/// Data sent to the client to render the captcha
+/// The captcha_id is used to identify the captcha in the database
+#[derive(Debug, Serialize, Deserialize)]
+pub struct CaptchaResponse {
+    pub captcha_svg: String,
+    pub captcha_id: i32,
+}