diff --git a/src/main.rs b/src/main.rs
index a291cc8..a523d8f 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -14,7 +14,7 @@ use projects::Projects;
 
 #[path = "./models/stamps.rs"]
 mod stamps;
-use stamps::Stamps;
+use stamps::{Stamp, Stamps};
 
 fn main() {
     // Get cli matches
@@ -95,6 +95,43 @@ fn main() {
             }
         }
 
+        // gst stamp --start --task NUM --description "desc" --dstart "20120101" --dend "20120101"
+        // gst stamp --stop
+        // gst stamp --update --description "desc" --dstart "20120101" --dend "20120101"
+        ("stamp", Some(_matches)) => {
+            let start = _matches.occurrences_of("start");
+            let stop = _matches.occurrences_of("stop");
+            let update = _matches.occurrences_of("update");
+            let task: u32 = _matches.value_of("task")
+                .unwrap_or("0").trim().parse()
+                .expect("Type a number!");
+            let description: &str = _matches.value_of("description").unwrap_or("").trim();
+            let dstart: &str = _matches.value_of("dstart").unwrap_or("").trim();
+            let dend: &str = _matches.value_of("dend").unwrap_or("").trim();
+            if start == 1 {
+                console::info("Add a new stamp");
+                match task {
+                    0 => panic!("Need some task number to add the stamp"),
+                    _ => {
+                        let stamp = Stamp {
+                            id: 0,
+                            user_id: 0,
+                            project_id: 0,
+                            start: Some(dstart.to_string()),
+                            end: Some(dend.to_string()),
+                            description: Some(description.to_string()),
+                            task_id: Some(task),
+                        };
+                        let added = stamp.add(&config_file);
+                        match added.status() {
+                            reqwest::StatusCode::OK => println!("OK"),
+                            other => println!("KO: {:?}, something happened", other),
+                        }
+                    }
+                }
+            }
+        }
+
         _ => console::error("Whut!!!"),
     }
 }
diff --git a/src/models/stamps.rs b/src/models/stamps.rs
index a94262b..d0f4afc 100644
--- a/src/models/stamps.rs
+++ b/src/models/stamps.rs
@@ -11,6 +11,24 @@ pub struct Stamp {
     pub start: Option<String>,
     pub end: Option<String>,
     pub description: Option<String>,
+impl Stamp {
+    #[tokio::main]
+    pub async fn add(&self, config_file: &PathBuf) -> reqwest::Response {
+        // Config
+        let mut default_config = config::Config::default();
+        let config = default_config.parse(&config_file);
+
+        // Call api
+        let endpoint = format!("{}{}", &config.url, "stamp/add");
+        let client = reqwest::Client::new();
+        let res = client.post(endpoint)
+            .header("Authorization", &config.key)
+            .json(&self)
+            .send()
+            .await;
+
+        res.unwrap()
+    }
 }
 
 #[derive(Serialize, Deserialize, Debug)]