diff --git a/package-lock.json b/package-lock.json
index 6f99005..f93c436 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1950,6 +1950,11 @@
         "@types/node": "*"
       }
     },
+    "@types/history": {
+      "version": "4.7.8",
+      "resolved": "https://registry.npmjs.org/@types/history/-/history-4.7.8.tgz",
+      "integrity": "sha512-S78QIYirQcUoo6UJZx9CSP0O2ix9IaeAXwQi26Rhr/+mg7qqPy8TzaxHSUut7eGjL8WmLccT7/MXf304WjqHcA=="
+    },
     "@types/html-minifier-terser": {
       "version": "5.1.1",
       "resolved": "https://registry.npmjs.org/@types/html-minifier-terser/-/html-minifier-terser-5.1.1.tgz",
@@ -2014,9 +2019,9 @@
       "integrity": "sha512-tHq6qdbT9U1IRSGf14CL0pUlULksvY9OZ+5eEgl1N7t+OA3tGvNpxJCzuKQlsNgCVwbAs670L1vcVQi8j9HjnA=="
     },
     "@types/node": {
-      "version": "14.14.31",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-14.14.31.tgz",
-      "integrity": "sha512-vFHy/ezP5qI0rFgJ7aQnjDXwAMrG0KqqIH7tQG5PPv3BWBayOPIQNBjVc/P6hhdZfMx51REc6tfDNXHUio893g=="
+      "version": "14.14.37",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-14.14.37.tgz",
+      "integrity": "sha512-XYmBiy+ohOR4Lh5jE379fV2IU+6Jn4g5qASinhitfyO71b/sCo6MKsMLF5tc7Zf2CE8hViVQyYSobJNke8OvUw=="
     },
     "@types/normalize-package-data": {
       "version": "2.4.0",
@@ -2053,6 +2058,25 @@
         "csstype": "^3.0.2"
       }
     },
+    "@types/react-router": {
+      "version": "5.1.13",
+      "resolved": "https://registry.npmjs.org/@types/react-router/-/react-router-5.1.13.tgz",
+      "integrity": "sha512-ZIuaO9Yrln54X6elg8q2Ivp6iK6p4syPsefEYAhRDAoqNh48C8VYUmB9RkXjKSQAJSJV0mbIFCX7I4vZDcHrjg==",
+      "requires": {
+        "@types/history": "*",
+        "@types/react": "*"
+      }
+    },
+    "@types/react-router-dom": {
+      "version": "5.1.7",
+      "resolved": "https://registry.npmjs.org/@types/react-router-dom/-/react-router-dom-5.1.7.tgz",
+      "integrity": "sha512-D5mHD6TbdV/DNHYsnwBTv+y73ei+mMjrkGrla86HthE4/PVvL1J94Bu3qABU+COXzpL23T1EZapVVpwHuBXiUg==",
+      "requires": {
+        "@types/history": "*",
+        "@types/react": "*",
+        "@types/react-router": "*"
+      }
+    },
     "@types/react-transition-group": {
       "version": "4.4.1",
       "resolved": "https://registry.npmjs.org/@types/react-transition-group/-/react-transition-group-4.4.1.tgz",
@@ -14097,6 +14121,11 @@
         "is-typedarray": "^1.0.0"
       }
     },
+    "typescript": {
+      "version": "4.2.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.2.4.tgz",
+      "integrity": "sha512-V+evlYHZnQkaz8TRBuxTA92yZBPotr5H+WhQ7bD3hZUndx5tGOa1fuCgeSjxAzM1RiN5IzvadIXTVefuuwZCRg=="
+    },
     "uncontrollable": {
       "version": "7.2.1",
       "resolved": "https://registry.npmjs.org/uncontrollable/-/uncontrollable-7.2.1.tgz",
diff --git a/package.json b/package.json
index ca73daa..d1e99ed 100644
--- a/package.json
+++ b/package.json
@@ -7,6 +7,9 @@
     "@testing-library/react": "^11.1.0",
     "@testing-library/user-event": "^12.1.10",
     "@types/bootstrap": "^5.0.12",
+    "@types/node": "^14.14.37",
+    "@types/react": "^17.0.3",
+    "@types/react-router-dom": "^5.1.7",
     "bootstrap": "^4.6.0",
     "jquery": "^3.6.0",
     "popper.js": "^1.16.1",
@@ -15,6 +18,7 @@
     "react-dom": "^17.0.2",
     "react-router-dom": "^5.2.0",
     "react-scripts": "4.0.3",
+    "typescript": "^4.2.4",
     "web-vitals": "^1.0.1"
   },
   "scripts": {
diff --git a/src/App.js b/src/App.tsx
similarity index 100%
rename from src/App.js
rename to src/App.tsx
diff --git a/src/api.js b/src/api.js
deleted file mode 100644
index 26b0ca0..0000000
--- a/src/api.js
+++ /dev/null
@@ -1,2 +0,0 @@
-const dev = process.env.NODE_ENV === 'development';
-export const API_ENDPOINT = 'http://localhost/api';
diff --git a/src/api.ts b/src/api.ts
new file mode 100644
index 0000000..ce57768
--- /dev/null
+++ b/src/api.ts
@@ -0,0 +1,4 @@
+const dev = process.env.NODE_ENV === 'development';
+export const API_ENDPOINT = 'http://localhost/api';
+export const ION_AUTHORIZATION_ENDPOINT =
+	'https://ion.tjhsst.edu/oauth/authorize?response_type=code&client_id=ScL9QdZ9m3iGmHG11uznwABg4ZSkabQJan05ZYsk&scope=read&redirect_uri=http%3A%2F%2Flocalhost%3A5000%2Fauth%2Fion%2Fsuccess;';
diff --git a/src/components/CreatePool.js b/src/components/CreatePool.tsx
similarity index 84%
rename from src/components/CreatePool.js
rename to src/components/CreatePool.tsx
index 3f33c7a..04172e2 100644
--- a/src/components/CreatePool.js
+++ b/src/components/CreatePool.tsx
@@ -1,7 +1,7 @@
-import React from 'react';
+import { FormEventHandler } from 'react';
 
-const CreatePool = (props) => {
-	const onSubmit = (e) => {
+const CreatePool = () => {
+	const onSubmit: FormEventHandler<HTMLFormElement> = (e) => {
 		e.preventDefault();
 
 		fetch(`${process.env.REACT_APP_API_ENDPOINT}/createPool`)
@@ -24,7 +24,7 @@ const CreatePool = (props) => {
 						<h1 className="form-title" style={{ fontFamily: 'Impact' }}>
 							Create Pool
 						</h1>
-						<label className="" for="title">
+						<label className="" htmlFor="title">
 							Pool Title:{' '}
 						</label>
 						<input
@@ -36,7 +36,7 @@ const CreatePool = (props) => {
 						></input>
 					</div>
 					<div className="form-group">
-						<label className="" for="capacity">
+						<label className="" htmlFor="capacity">
 							Pool Capacity:
 						</label>
 						<input
@@ -48,7 +48,7 @@ const CreatePool = (props) => {
 						></input>
 					</div>
 					<div className="form-group">
-						<label className="" for="pool_start">
+						<label className="" htmlFor="pool_start">
 							Start Time:
 						</label>
 						<input
@@ -60,7 +60,7 @@ const CreatePool = (props) => {
 						></input>
 					</div>
 					<div className="form-group">
-						<label className="" for="pool_end">
+						<label className="" htmlFor="pool_end">
 							End Time:
 						</label>
 						<input
@@ -72,17 +72,16 @@ const CreatePool = (props) => {
 						></input>
 					</div>
 					<div className="form-group">
-						<label className="" for="title">
+						<label className="" htmlFor="title">
 							Pool Description:
 						</label>
 						<textarea
-							type="text"
 							id="Pool-text"
 							name="Pool-text"
 							style={{ height: '200px' }}
 							className="form-control"
 							placeholder="Enter text here..."
-						></textarea>
+						/>
 					</div>
 
 					<input
diff --git a/src/components/Home.js b/src/components/Home.tsx
similarity index 100%
rename from src/components/Home.js
rename to src/components/Home.tsx
diff --git a/src/components/Main.js b/src/components/Main.tsx
similarity index 100%
rename from src/components/Main.js
rename to src/components/Main.tsx
diff --git a/src/components/Nav.js b/src/components/Nav.tsx
similarity index 94%
rename from src/components/Nav.js
rename to src/components/Nav.tsx
index 1fc371e..672a26c 100644
--- a/src/components/Nav.js
+++ b/src/components/Nav.tsx
@@ -1,6 +1,4 @@
-import React from 'react';
-
-const Nav = (props) => {
+const Nav = () => {
 	return (
 		<nav className="navbar navbar-expand-lg navbar-dark bg-dark">
 			<button
diff --git a/src/components/Pool.js b/src/components/Pool.tsx
similarity index 90%
rename from src/components/Pool.js
rename to src/components/Pool.tsx
index 9f0bdee..a2de11c 100644
--- a/src/components/Pool.js
+++ b/src/components/Pool.tsx
@@ -1,7 +1,8 @@
-import React, { useState, useEffect } from 'react';
+import { useState, useEffect, FormEventHandler } from 'react';
+import { useParams } from 'react-router';
 
-const Pool = (props) => {
-	const id = props.match.params.id;
+const Pool = () => {
+	const id = useParams<{ id: string }>().id;
 	const [state, setState] = useState({
 		pool_title: 'TJ Carpool',
 		id: 1,
@@ -22,7 +23,7 @@ const Pool = (props) => {
 				}
 			});
 	};
-	const onComment = (e) => {
+	const onComment: FormEventHandler<HTMLFormElement> = (e) => {
 		e.preventDefault();
 
 		fetch(`${process.env.REACT_APP_API_ENDPOINT}/pool/comments`)
@@ -57,7 +58,6 @@ const Pool = (props) => {
 						<textarea
 							className="form-control"
 							id="comment"
-							type="text"
 							placeholder="Enter comment here..."
 						/>
 						<input className="btn btn-primary" type="submit" value="Submit" />
diff --git a/src/components/Pools.js b/src/components/Pools.tsx
similarity index 88%
rename from src/components/Pools.js
rename to src/components/Pools.tsx
index 83a8c2b..bc9b8bf 100644
--- a/src/components/Pools.js
+++ b/src/components/Pools.tsx
@@ -1,8 +1,11 @@
-import React, { useState, useEffect } from 'react';
+import { useState, useEffect } from 'react';
 import { API_ENDPOINT } from '../api';
 
-const Pools = (props) => {
-	const [pools, setPools] = useState([
+const maybePluralize = (count: number, noun: string, suffix = 's') =>
+	`${count} ${noun}${count !== 1 ? suffix : ''}`;
+
+const Pools = () => {
+	const [pools, setPools] = useState<Carpool.Pool[]>([
 		/*
 		{
 			id: 1,
@@ -65,8 +68,6 @@ const Pools = (props) => {
 			});
 	}, []);
 
-	const maybePluralize = (count, noun, suffix = 's') =>
-		`${count} ${noun}${count !== 1 ? suffix : ''}`;
 	return (
 		<div className="bg-dark" style={{ minHeight: '100vh' }}>
 			<h1
@@ -97,10 +98,10 @@ const Pools = (props) => {
 							style={{ backgroundColor: background }}
 						>
 							<a href={'/Pool/' + pool.id} className="card-title">
-								{pool.pool_title}
+								{pool.title}
 							</a>
 							<p className="text-left">
-								Capacity: {pool.participants.length} / {pool.capacity}
+								Capacity: {pool.participant_ids.length} / {pool.capacity}
 							</p>
 							<p className="text-left">Start Time: {pool.start_time}</p>
 							<p className="text-left">End Time: {pool.end_time}</p>
diff --git a/src/components/Profile.js b/src/components/Profile.tsx
similarity index 82%
rename from src/components/Profile.js
rename to src/components/Profile.tsx
index 335aa14..023db73 100644
--- a/src/components/Profile.js
+++ b/src/components/Profile.tsx
@@ -1,12 +1,14 @@
 import React, { useState, useEffect } from 'react';
 
-const Profile = (props) => {
+const Profile = () => {
 	const [state, setState] = useState({
-		user: { username: 'HyperionLegion' },
+		user: {
+			username: 'HyperionLegion',
+		},
 		pools: [
 			{
-				pool_title: 'TJ Carpool',
-				pool_text: 'Carpool from TJ track to homes',
+				title: 'TJ Carpool',
+				description: 'Carpool from TJ track to homes',
 				start_time: '4/10/2021 3:00 PM',
 				id: 1,
 				end_time: '4/10/2021 4:00 PM',
@@ -17,8 +19,8 @@ const Profile = (props) => {
 				],
 			},
 			{
-				pool_title: 'TJ Carpool',
-				pool_text: 'Carpool from TJ track to homes',
+				title: 'TJ Carpool',
+				description: 'Carpool from TJ track to homes',
 				start_time: '4/10/2021 3:00 PM',
 				id: 2,
 				end_time: '4/10/2021 4:00 PM',
@@ -29,8 +31,8 @@ const Profile = (props) => {
 				],
 			},
 			{
-				pool_title: 'TJ Carpool',
-				pool_text: 'Carpool from TJ track to homes',
+				title: 'TJ Carpool',
+				description: 'Carpool from TJ track to homes',
 				start_time: '4/10/2021 3:00 PM',
 				id: 3,
 				end_time: '4/10/2021 4:00 PM',
@@ -75,7 +77,7 @@ const Profile = (props) => {
 								className="text-left m-2 p-1"
 								style={{ backgroundColor: '#D6D1D0' }}
 							>
-								<a href={'pool/' + pool.id}>{pool.pool_title}</a>
+								<a href={'pool/' + pool.id}>{pool.title}</a>
 							</div>
 						);
 					})}
diff --git a/src/components/UpdatePool.js b/src/components/UpdatePool.tsx
similarity index 83%
rename from src/components/UpdatePool.js
rename to src/components/UpdatePool.tsx
index e093b49..89071f5 100644
--- a/src/components/UpdatePool.js
+++ b/src/components/UpdatePool.tsx
@@ -1,7 +1,13 @@
-import React, { useState, useEffect, useCallback } from 'react';
+import React, {
+	useState,
+	useEffect,
+	useCallback,
+	FormEventHandler,
+} from 'react';
+import { useParams } from 'react-router-dom';
 
-const UpdatePool = (props) => {
-	const id = props.match.params.id;
+const UpdatePool = () => {
+	const id = useParams<{ id: string }>().id;
 
 	// eslint-disable-next-line
 	const [pool, setPool] = useState({
@@ -24,7 +30,7 @@ const UpdatePool = (props) => {
 				}
 			});
 	}, [id]);
-	const onSubmit = (e) => {
+	const onSubmit: FormEventHandler<HTMLFormElement> = (e) => {
 		e.preventDefault();
 		fetch(`${process.env.REACT_APP_API_ENDPOINT}/create_pool`)
 			.then((response) => response.json())
@@ -49,7 +55,7 @@ const UpdatePool = (props) => {
 						<h1 className="form-title" style={{ fontFamily: 'Impact' }}>
 							Update Pool
 						</h1>
-						<label className="" for="title">
+						<label className="" htmlFor="title">
 							Pool Title:{' '}
 						</label>
 						<input
@@ -61,7 +67,7 @@ const UpdatePool = (props) => {
 						></input>
 					</div>
 					<div className="form-group">
-						<label className="" for="capacity">
+						<label className="" htmlFor="capacity">
 							Pool Capacity:
 						</label>
 						<input
@@ -73,7 +79,7 @@ const UpdatePool = (props) => {
 						></input>
 					</div>
 					<div className="form-group">
-						<label className="" for="pool_start">
+						<label className="" htmlFor="pool_start">
 							Start Time:
 						</label>
 						<input
@@ -85,7 +91,7 @@ const UpdatePool = (props) => {
 						></input>
 					</div>
 					<div className="form-group">
-						<label className="" for="pool_end">
+						<label className="" htmlFor="pool_end">
 							End Time:
 						</label>
 						<input
@@ -97,11 +103,10 @@ const UpdatePool = (props) => {
 						></input>
 					</div>
 					<div className="form-group">
-						<label className="" for="title">
+						<label className="" htmlFor="title">
 							Pool Description:
 						</label>
 						<textarea
-							type="text"
 							id="Pool-text"
 							name="Pool-text"
 							style={{ height: '200px' }}
diff --git a/src/react-app-env.d.ts b/src/react-app-env.d.ts
new file mode 100644
index 0000000..6431bc5
--- /dev/null
+++ b/src/react-app-env.d.ts
@@ -0,0 +1 @@
+/// <reference types="react-scripts" />
diff --git a/src/types.d.ts b/src/types.d.ts
new file mode 100644
index 0000000..e1553f1
--- /dev/null
+++ b/src/types.d.ts
@@ -0,0 +1,41 @@
+declare namespace Carpool {
+	export interface Group {
+		id: string;
+		member_ids: string[];
+	}
+
+	export interface User {
+		id: string;
+		email: string;
+		username: string;
+		first_name: string;
+		last_name: string;
+	}
+
+	export interface Comment {
+		id: string;
+		body: string;
+		author_id: string;
+	}
+
+	export type Status = 'pending' | 'cancelled' | 'completed' | 'interrupted';
+
+	export interface Pool {
+		id: string;
+		title: string;
+		description: string;
+		participant_ids: string[];
+		driver_id: string;
+		create_time: string;
+		update_time: string;
+		comments: Comment[];
+		group_id: string;
+		status: Status;
+		capacity: number;
+		direction: 'pickup' | 'dropoff';
+		author_id: string;
+		type: 'request' | 'offer';
+		start_time: string;
+		end_time: string;
+	}
+}
diff --git a/tsconfig.json b/tsconfig.json
new file mode 100644
index 0000000..d0eee76
--- /dev/null
+++ b/tsconfig.json
@@ -0,0 +1,21 @@
+{
+	"compilerOptions": {
+		"target": "es5",
+		"lib": ["dom", "dom.iterable", "esnext"],
+		"allowJs": true,
+		"skipLibCheck": true,
+		"esModuleInterop": true,
+		"allowSyntheticDefaultImports": true,
+		"strict": true,
+		"forceConsistentCasingInFileNames": true,
+		"noFallthroughCasesInSwitch": true,
+		"module": "esnext",
+		"moduleResolution": "node",
+		"resolveJsonModule": true,
+		"isolatedModules": true,
+		"noEmit": true,
+		"jsx": "react-jsx"
+	},
+	"include": ["src"],
+	"files": ["src/types.d.ts"]
+}