diff --git a/public/css/global.css b/public/css/global.css
index fec7533..30c5620 100644
--- a/public/css/global.css
+++ b/public/css/global.css
@@ -51,7 +51,7 @@
         --c-primary: rgb(255, 180, 180);
         --c-pink: #374259;
         --c-link: #0284c7;
-        --c-border-1: #9090r0;
+        --c-border-1: #909090;
 
         --c-nav-bg: rgb(255, 247, 255, 0.5);
         --c-secondary: rgba(255, 255, 240, 0.5);
diff --git a/src/components/ApiLayout/Sidebar.astro b/src/components/ApiLayout/Sidebar.astro
new file mode 100644
index 0000000..02adf14
--- /dev/null
+++ b/src/components/ApiLayout/Sidebar.astro
@@ -0,0 +1,43 @@
+---
+import type { Hierarchy, Post } from "../../layouts/ApiLayout.astro";
+
+const hierarchy: Hierarchy = Astro.props.hierarchy;
+
+function splitAndLast(s: string): string {
+    const segments = s.split("/");
+    return segments[segments.length - 1]!;
+}
+
+function postComparison(a: Post, b: Post): number {
+    const s1 = splitAndLast(a.url);
+    const s2 = splitAndLast(b.url);
+
+    return s1 > s2 ? 0 : 1;
+}
+---
+
+{
+    Object.entries(hierarchy.children).map(([folderName, children]) => (
+        <>
+            <div class="mt-6 px-2 py-1 uppercase font-display text-c-text-2 font-medium">
+                {folderName}
+            </div>
+
+            <div class="pl-2 my-1">
+                <ul class="border-l border-c-border-1">
+                    <Astro.self hierarchy={children} />
+                </ul>
+            </div>
+        </>
+    ))
+}
+{
+    hierarchy.posts.sort(postComparison).map((p) => (
+        <a
+            class="inline-block rounded-2xl w-full hover:bg-neutral-200 dark:hover:bg-neutral-800 transition-colors px-3 py-2"
+            href={p.url}
+        >
+            {splitAndLast(p.url)}
+        </a>
+    ))
+}
diff --git a/src/layouts/ApiLayout.astro b/src/layouts/ApiLayout.astro
index 74ca91d..f165128 100644
--- a/src/layouts/ApiLayout.astro
+++ b/src/layouts/ApiLayout.astro
@@ -2,8 +2,78 @@
 import Navbar from "../components/Navbar.astro";
 import BaseLayout from "./BaseLayout.astro";
 import TOC from "../components/TOC.astro";
+import Sidebar from "../components/ApiLayout/Sidebar.astro";
 
 const { headings } = Astro.props;
+
+export type Post = {
+    frontmatter: any;
+    getHeadings: any;
+    url: string;
+    file: any;
+    Content: any;
+    default: any;
+};
+type Posts = Array<Readonly<Post>>;
+
+const basePath = "/api/std";
+const posts: Posts = await Astro.glob("../pages/api/std/**/*.{md,mdx}");
+
+export type Hierarchy = {
+    posts: Array<Post>;
+    children: Record<string, Hierarchy>;
+};
+
+function createHierarchy(posts: Posts): Hierarchy {
+    const hierarchy: Hierarchy = {
+        posts: [],
+        children: {},
+    };
+
+    for (const post of posts) {
+        const postUrl: string = post.url;
+        const urlAfterBase = postUrl.split(basePath)[1] ?? "";
+
+        // handle / (index)
+        if (urlAfterBase === "") {
+            hierarchy.posts.push(post);
+            continue;
+        }
+
+        const urlSegments = urlAfterBase.split("/").slice(1);
+
+        // top level urls
+        if (urlSegments.length === 1) {
+            hierarchy.posts.push(post);
+            continue;
+        }
+
+        // folders
+        const folders = urlSegments.slice(0, -1);
+
+        // traverse the hierarchy until the neccesary hierarchy is found
+        let currentHierarchy = hierarchy;
+        for (const folderName of folders) {
+            // check if folder exists, create otherwise
+            if (!hierarchy.children[folderName]) {
+                // create if doesnt exist
+                hierarchy.children[folderName] = {
+                    posts: [],
+                    children: {},
+                };
+            }
+
+            currentHierarchy = hierarchy.children[folderName];
+        }
+
+        // add the page
+        currentHierarchy.posts.push(post);
+    }
+
+    return hierarchy;
+}
+
+const hierarchy = createHierarchy(posts);
 ---
 
 <BaseLayout>
@@ -16,7 +86,7 @@ const { headings } = Astro.props;
                 border-c-border-1 -translate-x-64 lg:translate-x-0 transition-transform"
         >
             <nav class="py-4 pr-2 overflow-x-scroll h-[calc(100vh-3rem)]">
-                <a href="/">Home page</a>
+                <Sidebar hierarchy={hierarchy} />
             </nav>
         </div>
 
@@ -39,4 +109,10 @@ const { headings } = Astro.props;
             </nav>
         </div>
     </div>
+
+    <script>
+        import { sidebarHighlight } from "./utils";
+        // Highlight the current url of the sidebar
+        document.addEventListener("DOMContentLoaded", sidebarHighlight);
+    </script>
 </BaseLayout>
diff --git a/src/layouts/PagesLayout.astro b/src/layouts/PagesLayout.astro
index 6a7cdf9..c7cc238 100644
--- a/src/layouts/PagesLayout.astro
+++ b/src/layouts/PagesLayout.astro
@@ -77,7 +77,9 @@ for (const entry of pagesIndex) {
 <BaseLayout title={frontmatter.title}>
     <Navbar />
 
-    <div class="lg:grid lg:grid-cols-[14rem_auto_12rem] lg:container mx-auto font-display">
+    <div
+        class="lg:grid lg:grid-cols-[14rem_auto_12rem] lg:container mx-auto font-display"
+    >
         <div
             id="sidebar"
             class="pt-12 h-screen lg:sticky top-0 fixed z-10 bg-c-bg w-60 lg:w-auto border-r-2 lg:border-0
@@ -112,26 +114,12 @@ for (const entry of pagesIndex) {
     </div>
 
     <script>
-        import {highlightOnDom} from "./thpHighlighter";
+        import { highlightOnDom } from "./thpHighlighter";
         document.addEventListener("DOMContentLoaded", highlightOnDom);
     </script>
     <script>
+        import { sidebarHighlight } from "./utils";
         // Highlight the current url of the sidebar
-        document.addEventListener("DOMContentLoaded", () => {
-            let current_uri = window.location.pathname;
-
-            const sidebar = document.getElementById("sidebar")!
-                .children[0]! as HTMLElement;
-            const links = sidebar.querySelectorAll("a");
-            for (const link of [...links]) {
-                if (link.getAttribute("href") === current_uri) {
-                    sidebar.scrollTop =
-                        link.offsetTop - sidebar.offsetTop - 250;
-
-                    link.classList.add("bg-pink-200", "dark:bg-pink-950");
-                    break;
-                }
-            }
-        });
+        document.addEventListener("DOMContentLoaded", sidebarHighlight);
     </script>
 </BaseLayout>
diff --git a/src/layouts/utils.ts b/src/layouts/utils.ts
new file mode 100644
index 0000000..422848a
--- /dev/null
+++ b/src/layouts/utils.ts
@@ -0,0 +1,17 @@
+
+export function sidebarHighlight() {
+    let current_uri = window.location.pathname;
+
+    const sidebar = document.getElementById("sidebar")!
+        .children[0]! as HTMLElement;
+    const links = sidebar.querySelectorAll("a");
+    for (const link of [...links]) {
+        if (link.getAttribute("href") === current_uri) {
+            sidebar.scrollTop =
+                link.offsetTop - sidebar.offsetTop - 250;
+
+            link.classList.add("bg-pink-200", "dark:bg-pink-950");
+            break;
+        }
+    }
+}
diff --git a/tailwind.config.mjs b/tailwind.config.mjs
index f42d97a..6333394 100644
--- a/tailwind.config.mjs
+++ b/tailwind.config.mjs
@@ -9,7 +9,7 @@ export default {
                 "c-text": "var(--c-text)",
                 "c-text-2": "var(--c-text-2)",
                 "c-purple": "var(--c-purple)",
-                "c-border-1": "rgba(150,150,150,0.25)",
+                "c-border-1": "var(--c-border-1)",
                 "c-purple-light": "var(--c-purple-light)",
                 "c-box-shadow": "var(--c-box-shadow)",
                 "c-ping": "var(--c-pink)",