diff --git a/bot/src/main.rs b/bot/src/main.rs
index fcae3fe..9c19389 100644
--- a/bot/src/main.rs
+++ b/bot/src/main.rs
@@ -12,6 +12,7 @@ use std::thread;
 
 mod bluesky;
 mod cli;
+mod mastodon;
 
 //noinspection DuplicatedCode
 /// Sets up a signal handler in a separate thread to handle SIGINT and SIGTERM signals.
diff --git a/bot/src/mastodon.rs b/bot/src/mastodon.rs
new file mode 100644
index 0000000..90a9c7f
--- /dev/null
+++ b/bot/src/mastodon.rs
@@ -0,0 +1,34 @@
+use crate::mastodon::api::{PartialMediaResponse, PartialPostStatusResponse, PostStatusRequest};
+
+mod api;
+
+/// The Mastodon client for interacting with the platform.
+pub struct MastodonClient {
+    access_token: String,
+    client: reqwest::Client,
+}
+
+impl MastodonClient {
+    /// Creates a new mastodon client from the given access token.
+    fn new(access_token: String) -> Self {
+        let client = reqwest::Client::new();
+        MastodonClient {
+            access_token,
+            client,
+        }
+    }
+
+    async fn post_status<T>(&mut self, data: T) -> Result<PartialPostStatusResponse, anyhow::Error>
+    where
+        T: Into<PostStatusRequest>,
+    {
+        unimplemented!()
+    }
+
+    async fn upload_media_by_url(
+        &mut self,
+        image_url: &str,
+    ) -> Result<PartialMediaResponse, anyhow::Error> {
+        unimplemented!()
+    }
+}
diff --git a/bot/src/mastodon/api.rs b/bot/src/mastodon/api.rs
new file mode 100644
index 0000000..490e90d
--- /dev/null
+++ b/bot/src/mastodon/api.rs
@@ -0,0 +1,32 @@
+use serde::{Deserialize, Serialize};
+
+/// Is a truncated response from Mastodon's /api/v2/media endpoint.
+/// See: https://docs.joinmastodon.org/methods/media/#v2
+#[derive(Serialize, Deserialize, Debug)]
+pub struct PartialMediaResponse {
+    pub id: String,
+    #[serde(rename = "type")]
+    pub r#type: String,
+    pub url: String,
+}
+
+/// PostStatusRequest is the request made to post a status on Mastodon.
+/// See: https://docs.joinmastodon.org/methods/statuses/#create
+#[derive(Serialize, Deserialize, Debug)]
+pub struct PostStatusRequest {
+    pub status: String,
+    pub language: String,
+    pub visibility: String,
+    pub media_ids: Vec<u64>,
+}
+
+/// Is a partial response from /api/v1/statuses route.
+/// See: https://docs.joinmastodon.org/methods/statuses/#create
+#[derive(Serialize, Deserialize, Debug)]
+pub struct PartialPostStatusResponse {
+    pub id: String,
+    pub created_at: String,
+    pub visibility: String,
+    pub uri: String,
+    pub url: String,
+}