diff --git a/src/endpoints/achievements/fetch.rs b/src/endpoints/achievements/fetch.rs
new file mode 100644
index 00000000..d57f2d89
--- /dev/null
+++ b/src/endpoints/achievements/fetch.rs
@@ -0,0 +1,115 @@
+use std::sync::Arc;
+
+use crate::{
+    models::{AchievementCategoryDocument, AchievementQuery, AppState, UserAchievements},
+    utils::get_error,
+};
+use axum::{
+    extract::{Query, State},
+    http::StatusCode,
+    response::IntoResponse,
+    Json,
+};
+use futures::stream::StreamExt;
+use mongodb::bson::{doc, from_document};
+use starknet::core::types::FieldElement;
+
+pub async fn handler(
+    State(state): State<Arc<AppState>>,
+    Query(query): Query<AchievementQuery>,
+) -> impl IntoResponse {
+    if query.addr == FieldElement::ZERO {
+        return get_error("Please connect your wallet first".to_string());
+    }
+    let addr = FieldElement::to_string(&query.addr);
+    let achievement_categories = state
+        .db
+        .collection::<AchievementCategoryDocument>("achievement_categories");
+    let pipeline = vec![
+        doc! {
+          "$lookup": {
+            "from": "achievements",
+            "localField": "id",
+            "foreignField": "category_id",
+            "as": "achievement"
+          }
+        },
+        doc! {"$unwind": "$achievement" },
+        doc! {
+          "$lookup": {
+            "from": "achieved",
+            "let": { "achievement_id": "$achievement.id" },
+            "pipeline": [
+                { "$match": {
+                  "$expr": {
+                    "$and": [
+                      { "$eq": ["$achievement_id", "$$achievement_id"] },
+                      { "$eq": ["$addr", addr] }
+                    ]
+                  }
+                } }
+              ],
+              "as": "achieved"
+          }
+        },
+        doc! {
+          "$project": {
+            "_id": 0,
+            "category_name": "$name",
+            "category_desc": "$desc",
+            "achievements": {
+              "name": "$achievement.name",
+              "short_desc": "$achievement.short_desc",
+              "title": {
+                "$cond": [
+                  { "$eq": [{ "$size": "$achieved" }, 0] },
+                  "$achievement.todo_title",
+                  "$achievement.done_title"
+                ]
+              },
+              "desc": {
+                "$cond": [
+                  { "$eq": [{ "$size": "$achieved" }, 0] },
+                  "$achievement.todo_desc",
+                  "$achievement.done_desc"
+                ]
+              },
+              "completed": { "$ne": [{ "$size": "$achieved" }, 0] },
+              "verify_type": "$achievement.verify_type"
+            }
+          }
+        },
+        doc! {
+          "$group": {
+            "_id": { "category_name": "$category_name", "category_desc": "$category_desc" },
+            "achievements": { "$push": "$achievements" }
+          }
+        },
+        doc! {
+          "$project": {
+            "category_name": "$_id.category_name",
+            "category_desc": "$_id.category_desc",
+            "achievements": 1,
+            "_id": 0
+          }
+        },
+    ];
+
+    match achievement_categories.aggregate(pipeline, None).await {
+        Ok(mut cursor) => {
+            let mut achievements: Vec<UserAchievements> = Vec::new();
+            while let Some(result) = cursor.next().await {
+                match result {
+                    Ok(document) => {
+                        if let Ok(achievement) = from_document::<UserAchievements>(document) {
+                            achievements.push(achievement);
+                        }
+                    }
+                    _ => continue,
+                }
+            }
+            (StatusCode::OK, Json(achievements)).into_response()
+        }
+        Err(e) => get_error(format!("Error fetching user achievements: {}", e)),
+    }
+}
diff --git a/src/endpoints/achievements/mod.rs b/src/endpoints/achievements/mod.rs
new file mode 100644
index 00000000..9b152b7f
--- /dev/null
+++ b/src/endpoints/achievements/mod.rs
@@ -0,0 +1,2 @@
+pub mod fetch;
+pub mod verify_default;
diff --git a/src/endpoints/achievements/verify_default.rs b/src/endpoints/achievements/verify_default.rs
new file mode 100644
index 00000000..cd62c6d8
--- /dev/null
+++ b/src/endpoints/achievements/verify_default.rs
@@ -0,0 +1,49 @@
+use std::sync::Arc;
+
+use crate::{
+    models::{AchievedDocument, AppState, VerifyAchievementQuery},
+    utils::{get_error, AchievementsTrait},
+};
+use axum::{
+    extract::{Query, State},
+    http::StatusCode,
+    response::IntoResponse,
+    Json,
+};
+use mongodb::bson::doc;
+use serde_json::json;
+use starknet::core::types::FieldElement;
+
+pub async fn handler(
+    State(state): State<Arc<AppState>>,
+    Query(query): Query<VerifyAchievementQuery>,
+) -> impl IntoResponse {
+    let addr = query.addr;
+    if addr == FieldElement::ZERO {
+        return get_error("Please connect your wallet first".to_string());
+    }
+    let achievement_id = query.id;
+    let achieved_collection = state.db.collection::<AchievedDocument>("achieved");
+    let filter = doc! {
+        "addr": FieldElement::to_string(&addr),
+        "achievement_id": achievement_id
+    };
+    match achieved_collection.find_one(filter, None).await {
+        Ok(Some(_)) => (StatusCode::OK, Json(json!({"achieved": true}))).into_response(),
+        Ok(None) => match state.get_achievement(achievement_id).await {
+            Ok(Some(achievement)) => {
+                // todo: add verifying logic here
+                match state
+                    .upsert_completed_achievement(addr, achievement_id)
+                    .await
+                {
+                    Ok(_) => (StatusCode::OK, Json(json!({"achieved": true}))).into_response(),
+                    Err(e) => get_error(format!("{}", e)),
+                }
+            }
+            Ok(None) => get_error("Achievement not found".to_string()),
+            Err(e) => get_error(format!("Error querying achievement : {}", e)),
+        },
+        Err(e) => get_error(format!("Error querying user achievement : {}", e)),
+    }
+}
diff --git a/src/endpoints/mod.rs b/src/endpoints/mod.rs
index 5be7088e..5325e4a1 100644
--- a/src/endpoints/mod.rs
+++ b/src/endpoints/mod.rs
@@ -1,5 +1,6 @@
-pub mod quests;
-pub mod get_quiz;
+pub mod achievements;
 pub mod get_quest;
 pub mod get_quests;
-pub mod get_tasks;
\ No newline at end of file
+pub mod get_quiz;
+pub mod get_tasks;
+pub mod quests;
diff --git a/src/main.rs b/src/main.rs
index 58a5941b..175061aa 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -159,6 +159,14 @@ async fn main() {
             "/quests/example/verify_quiz",
             post(endpoints::quests::example::verify_quiz::handler),
         )
+        .route(
+            "/achievements/verify_default",
+            get(endpoints::achievements::verify_default::handler),
+        )
+        .route(
+            "/achievements/fetch",
+            get(endpoints::achievements::fetch::handler),
+        )
         .with_state(shared_state)
         .layer(cors);
 
diff --git a/src/models.rs b/src/models.rs
index 63b55e88..478f5532 100644
--- a/src/models.rs
+++ b/src/models.rs
@@ -65,3 +65,52 @@ pub_struct!(Deserialize; VerifyQuizQuery {
     quiz_name: String,
     user_answers_list: Vec<Vec<String>>,
 });
+
+pub_struct!(Deserialize; AchievementQuery {
+    addr: FieldElement,
+});
+
+pub_struct!(Deserialize; VerifyAchievementQuery {
+    addr: FieldElement,
+    id: u32,
+});
+
+pub_struct!(Debug, Serialize, Deserialize; AchievedDocument {
+    addr: String,
+    achievement_id: u32,
+});
+
+pub_struct!(Debug, Serialize, Deserialize; AchievementDocument {
+    id: u32,
+    category_id: u32,
+    name: String,
+    img_url: String,
+    short_desc: String,
+    todo_title: String,
+    todo_desc: String,
+    done_title: String,
+    done_desc: String,
+    verify_type: String,
+    verify_endpoint: String,
+});
+
+pub_struct!(Debug, Serialize, Deserialize; AchievementCategoryDocument {
+    id: u32,
+    name: String,
+    desc: String,
+});
+
+pub_struct!(Debug, Serialize, Deserialize; UserAchievements {
+    category_name: String,
+    category_desc: String,
+    achievements: Vec<UserAchievement>,
+});
+
+pub_struct!(Debug, Serialize, Deserialize; UserAchievement {
+    name: String,
+    short_desc: String,
+    title: String,
+    desc: String,
+    completed: bool,
+    verify_type: String,
+});
diff --git a/src/utils.rs b/src/utils.rs
index 84e1c0d2..18969716 100644
--- a/src/utils.rs
+++ b/src/utils.rs
@@ -1,4 +1,7 @@
-use crate::models::{AppState, CompletedTasks};
+use crate::{
+    endpoints::achievements,
+    models::{AchievementDocument, AppState, CompletedTasks},
+};
 use async_trait::async_trait;
 use axum::{
     http::StatusCode,
@@ -90,3 +93,50 @@ pub fn to_hex(felt: FieldElement) -> String {
     }
     result
 }
+
+#[async_trait]
+pub trait AchievementsTrait {
+    async fn upsert_completed_achievement(
+        &self,
+        addr: FieldElement,
+        achievement_id: u32,
+    ) -> Result<UpdateResult, mongodb::error::Error>;
+
+    async fn get_achievement(
+        &self,
+        achievement_id: u32,
+    ) -> Result<Option<AchievementDocument>, mongodb::error::Error>;
+}
+
+#[async_trait]
+impl AchievementsTrait for AppState {
+    async fn upsert_completed_achievement(
+        &self,
+        addr: FieldElement,
+        achievement_id: u32,
+    ) -> Result<UpdateResult, mongodb::error::Error> {
+        let achieved_collection: Collection<CompletedTasks> = self.db.collection("achieved");
+        let filter = doc! { "addr": addr.to_string(), "achievement_id": achievement_id };
+        let update =
+            doc! { "$setOnInsert": { "addr": addr.to_string(), "achievement_id": achievement_id } };
+        let options = UpdateOptions::builder().upsert(true).build();
+
+        let result = achieved_collection
+            .update_one(filter, update, options)
+            .await;
+        result
+    }
+
+    async fn get_achievement(
+        &self,
+        achievement_id: u32,
+    ) -> Result<Option<AchievementDocument>, mongodb::error::Error> {
+        let achievements_collection: Collection<AchievementDocument> =
+            self.db.collection("achievements");
+        let query = doc! {
+            "id": achievement_id
+        };
+        let result = achievements_collection.find_one(query, None).await;
+        result
+    }
+}