diff --git a/src/lib.rs b/src/lib.rs
index 05163fa..48c482a 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -30,6 +30,7 @@ pub mod pullrequest;
 pub mod reaction;
 pub mod release;
 pub mod repository;
+pub mod review;
 pub mod topic;
 pub mod user;
 
@@ -41,8 +42,9 @@ pub use milestone::Milestone;
 pub use project::Project;
 pub use pullrequest::PullRequest;
 pub use reaction::Reaction;
-pub use release::ReleaseAsset;
+pub use release::{Release, ReleaseAsset};
 pub use repository::Repository;
+pub use review::{Review, ReviewComment, ReviewState};
 pub use topic::Topic;
 pub use user::User;
 
diff --git a/src/review.rs b/src/review.rs
new file mode 100644
index 0000000..e246b33
--- /dev/null
+++ b/src/review.rs
@@ -0,0 +1,112 @@
+/*
+ * Copyright (C) 2023  Aravinth Manivannan <realaravinth@batsense.net>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+//! A set of review comments on a pull/merge request.
+use serde::{Deserialize, Serialize};
+
+use crate::Reaction;
+
+#[derive(Clone, Debug, Serialize, Deserialize, Eq, PartialEq)]
+#[serde(rename_all = "UPPERCASE")]
+/// State of the review.
+pub enum ReviewState {
+    Pending,
+    Approved,
+    ChangesRequested,
+    Commented,
+}
+
+#[derive(Clone, Debug, Serialize, Deserialize, Eq, PartialEq)]
+/// A set of review comments on a pull/merge request.
+pub struct Review {
+    /// Unique identifier of the review
+    pub index: usize,
+
+    /// Unique identifier of the pull/merge request targeted by the review.
+    pub issue_index: usize,
+
+    /// Unique identifer of review author.
+    pub reviewer_id: usize,
+
+    /// True if a positive review counts to reach the required threshold.
+    pub official: Option<bool>,
+
+    /// SHA of the commit targeted by the review.
+    pub commit_id: String,
+
+    /// Cover message of the review.
+    pub content: String,
+
+    // TODO: add validation for format "date-time"
+    /// Creation time
+    pub created_at: String,
+
+    /// State of the review.
+    pub state: ReviewState,
+
+    /// Review comments inserted on a specific line of the commit.
+    pub comments: Option<Vec<ReviewComment>>,
+}
+
+/// A comment in the context of a review.
+#[derive(Clone, Debug, Serialize, Deserialize, Eq, PartialEq)]
+pub struct ReviewComment {
+    /// Unique identifier of the review comment.
+    pub index: usize,
+
+    /// Unique identifier of the review comment replied to.
+    pub in_reply_to: usize,
+
+    /// The text of the review comment
+    pub content: String,
+
+    /// The relative path to the file that necessitates a comment.
+    pub tree_path: String,
+
+    /// The hunk being commented on, which is the same as the patch only in a different format.
+    pub diff_hunk: String,
+
+    /// The patch being commented on, which is the same as the diff_hunk only in a different
+    /// format.
+    pub patch: String,
+
+    /// Equals the number of lines down from the first '@@' hunk header in the file you want to add
+    /// a comment. The line just below the '@@' line is position 1, the next line is position 2,
+    /// and so on. The position in the diff continues to increase through lines of whitespace and
+    /// additional hunks until the beginning of a new file.",
+    pub position: usize,
+
+    /// The line number of the comment in the tree_path
+    pub line: usize,
+
+    /// The SHA of the commit needing a comment. Not using the latest commit SHA may render your
+    /// comment outdated if a subsequent commit modifies the line you specify as the position.
+    pub commit_id: String,
+
+    /// Unique identifier of the user who authored the comment.
+    pub poster_id: usize,
+
+    // TODO: add validation for format "date-time"
+    /// Creation time
+    pub created_at: String,
+
+    // TODO: add validation for format "date-time"
+    /// Last update time
+    pub updated_at: String,
+
+    /// List of reactions
+    pub reactions: Option<Vec<Reaction>>,
+}