diff --git a/src/sharry/alias.rs b/src/sharry/alias.rs
new file mode 100644
index 0000000..bc04e79
--- /dev/null
+++ b/src/sharry/alias.rs
@@ -0,0 +1,41 @@
+use log::debug;
+use ureq::{Agent, RequestBuilder};
+
+use super::{
+    api::{NewShareRequest, NewShareResponse, URI},
+    share::Share,
+};
+
+#[derive(Debug)]
+pub struct Alias {
+    pub(super) uri: URI,
+    pub(super) id: String,
+}
+
+impl Alias {
+    pub fn new(uri: URI, id: impl Into<String>) -> Self {
+        Self { uri, id: id.into() }
+    }
+
+    pub(super) fn add_headers<B>(&self, req: RequestBuilder<B>) -> RequestBuilder<B> {
+        req.header("Sharry-Alias", &self.id)
+    }
+
+    pub fn create_share(&self, http: &Agent, data: &NewShareRequest) -> Result<Share, ureq::Error> {
+        let endpoint = self.uri.get_endpoint("alias/upload/new");
+
+        let res = self
+            .add_headers(http.post(endpoint))
+            .send_json(data)?
+            .body_mut()
+            .read_json::<NewShareResponse>()?;
+
+        debug!("response: {:?}", res);
+
+        if !(res.success && (res.message == "Share created.")) {
+            return Err(ureq::Error::Other("unexpected response json".into()));
+        }
+
+        Ok(Share::new(self, res.id))
+    }
+}
diff --git a/src/sharry/api.rs b/src/sharry/api.rs
index 44d3027..c40afc5 100644
--- a/src/sharry/api.rs
+++ b/src/sharry/api.rs
@@ -21,7 +21,7 @@ impl URI {
         Self::new_protocol(base_url, "https")
     }
 
-    pub fn get_endpoint(&self, endpoint: impl Display) -> String {
+    pub(super) fn get_endpoint(&self, endpoint: impl Display) -> String {
         let uri = format!("{}://{}/api/v2/{}", self.protocol, self.base_url, endpoint);
         debug!("uri: {:?}", uri);
 
@@ -56,7 +56,7 @@ impl NewShareRequest {
 }
 
 #[derive(Deserialize, Debug)]
-pub struct NewShareResponse {
+pub(super) struct NewShareResponse {
     pub success: bool,
     pub message: String,
     pub id: String,
@@ -64,7 +64,7 @@ pub struct NewShareResponse {
 
 #[derive(Deserialize, Debug)]
 #[allow(dead_code)]
-pub struct NotifyShareResponse {
+pub(super) struct NotifyShareResponse {
     pub success: bool,
     pub message: String,
 }
diff --git a/src/sharry/mod.rs b/src/sharry/mod.rs
index 89ace00..0285a90 100644
--- a/src/sharry/mod.rs
+++ b/src/sharry/mod.rs
@@ -1,121 +1,6 @@
+mod alias;
 mod api;
+mod share;
 
+pub use alias::Alias;
 pub use api::{NewShareRequest, URI};
-use api::{NewShareResponse, NotifyShareResponse};
-use log::debug;
-use std::{ffi::OsStr, fs, path::Path};
-use ureq::{self, RequestBuilder};
-
-#[derive(Debug)]
-pub struct Alias {
-    uri: URI,
-    id: String,
-}
-
-impl Alias {
-    pub fn new(uri: URI, id: impl Into<String>) -> Self {
-        Self { uri, id: id.into() }
-    }
-
-    fn add_headers<B>(&self, req: RequestBuilder<B>) -> RequestBuilder<B> {
-        req.header("Sharry-Alias", &self.id)
-    }
-
-    pub fn create_share(
-        &self,
-        http: &ureq::Agent,
-        data: &NewShareRequest,
-    ) -> Result<Share, ureq::Error> {
-        let endpoint = self.uri.get_endpoint("alias/upload/new");
-
-        let res = self
-            .add_headers(http.post(endpoint))
-            .send_json(data)?
-            .body_mut()
-            .read_json::<NewShareResponse>()?;
-
-        debug!("response: {:?}", res);
-        assert!(res.success);
-        assert_eq!(res.message, "Share created.");
-
-        Ok(Share {
-            alias: self,
-            id: res.id,
-        })
-    }
-}
-
-#[derive(Debug)]
-pub struct Share<'t> {
-    alias: &'t Alias,
-    id: String,
-}
-
-impl<'t> Share<'t> {
-    pub fn create_file(
-        &self,
-        http: &ureq::Agent,
-        path: impl AsRef<OsStr> + AsRef<Path>,
-    ) -> Result<(), ureq::Error> {
-        let filename = Path::new(&path)
-            .file_name()
-            .and_then(OsStr::to_str)
-            .unwrap_or("file.bin");
-
-        let size = fs::metadata(&path)?.len();
-
-        let endpoint = self
-            .alias
-            .uri
-            .get_endpoint(&format!("alias/upload/{}/files/tus", &self.id));
-
-        let res = self
-            .alias
-            .add_headers(http.post(endpoint))
-            .header("Sharry-File-Name", filename)
-            // .header("Sharry-File-Type", "application/octet-stream")
-            // .header("Sharry-File-Length", size)
-            // .header("Tus-Resumable", "1.0.0")
-            .header("Upload-Length", size)
-            .send_empty()?;
-
-        assert_eq!(res.status(), ureq::http::StatusCode::CREATED);
-
-        let location = res
-            .headers()
-            .get("Location")
-            .ok_or_else(|| ureq::Error::Other("Location header not found".into()))?
-            .to_str()
-            .map_err(|_| ureq::Error::Other("Location header invalid".into()))?;
-
-        debug!("location: {}", location);
-
-        // let start = 10;
-        // let count = 10;
-
-        // let mut f = File::open(path)?;
-        // f.seek(SeekFrom::Start(0));
-        // let mut buf = vec![0; count];
-        // f.read_exact(&mut buf)?;
-
-        Ok(())
-    }
-
-    pub fn notify(&self, http: &ureq::Agent) -> Result<(), ureq::Error> {
-        let endpoint = self
-            .alias
-            .uri
-            .get_endpoint(&format!("alias/mail/notify/{}", &self.id));
-
-        let res = self
-            .alias
-            .add_headers(http.post(endpoint))
-            .send_empty()?
-            .body_mut()
-            .read_json::<NotifyShareResponse>()?;
-
-        debug!("response: {:?}", res);
-
-        Ok(())
-    }
-}
diff --git a/src/sharry/share.rs b/src/sharry/share.rs
new file mode 100644
index 0000000..71be644
--- /dev/null
+++ b/src/sharry/share.rs
@@ -0,0 +1,87 @@
+use log::debug;
+use std::{ffi::OsStr, fs, path::Path};
+use ureq::{Agent, http::StatusCode};
+
+use super::{alias::Alias, api};
+use api::NotifyShareResponse;
+
+#[derive(Debug)]
+pub struct Share<'t> {
+    alias: &'t Alias,
+    id: String,
+}
+
+impl<'t> Share<'t> {
+    pub(super) fn new(alias: &'t Alias, id: String) -> Self {
+        Self { alias, id }
+    }
+
+    pub fn create_file(
+        &self,
+        http: &Agent,
+        path: impl AsRef<OsStr> + AsRef<Path>,
+    ) -> Result<(), ureq::Error> {
+        let filename = Path::new(&path)
+            .file_name()
+            .and_then(OsStr::to_str)
+            .unwrap_or("file.bin");
+
+        let size = fs::metadata(&path)?.len();
+
+        let endpoint = self
+            .alias
+            .uri
+            .get_endpoint(&format!("alias/upload/{}/files/tus", &self.id));
+
+        let res = self
+            .alias
+            .add_headers(http.post(endpoint))
+            .header("Sharry-File-Name", filename)
+            // .header("Sharry-File-Type", "application/octet-stream")
+            // .header("Sharry-File-Length", size)
+            // .header("Tus-Resumable", "1.0.0")
+            .header("Upload-Length", size)
+            .send_empty()?;
+
+        if res.status() != StatusCode::CREATED {
+            return Err(ureq::Error::Other("unexpected response status".into()));
+        }
+
+        let location = res
+            .headers()
+            .get("Location")
+            .ok_or_else(|| ureq::Error::Other("Location header not found".into()))?
+            .to_str()
+            .map_err(|_| ureq::Error::Other("Location header invalid".into()))?;
+
+        debug!("location: {}", location);
+
+        // let start = 10;
+        // let count = 10;
+
+        // let mut f = File::open(path)?;
+        // f.seek(SeekFrom::Start(0));
+        // let mut buf = vec![0; count];
+        // f.read_exact(&mut buf)?;
+
+        Ok(())
+    }
+
+    pub fn notify(&self, http: &ureq::Agent) -> Result<(), ureq::Error> {
+        let endpoint = self
+            .alias
+            .uri
+            .get_endpoint(&format!("alias/mail/notify/{}", &self.id));
+
+        let res = self
+            .alias
+            .add_headers(http.post(endpoint))
+            .send_empty()?
+            .body_mut()
+            .read_json::<NotifyShareResponse>()?;
+
+        debug!("response: {:?}", res);
+
+        Ok(())
+    }
+}