diff --git a/README.md b/README.md
index 1b56686..5a4b7c5 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1 @@
-# bun frontend template
-
-a simle bun frontend starting point i made and use
+# atums.world
diff --git a/config/sql/invites.ts b/config/sql/invites.ts
new file mode 100644
index 0000000..601cef6
--- /dev/null
+++ b/config/sql/invites.ts
@@ -0,0 +1,54 @@
+import { logger } from "@helpers/logger";
+import { type ReservedSQL, sql } from "bun";
+
+export async function createTable(reservation?: ReservedSQL): Promise<void> {
+	let selfReservation: boolean = false;
+
+	if (!reservation) {
+		reservation = await sql.reserve();
+		selfReservation = true;
+	}
+
+	try {
+		await reservation`
+			CREATE TABLE IF NOT EXISTS invites (
+				id TEXT PRIMARY KEY NOT NULL UNIQUE,
+				created_by UUID NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+				created_at TIMESTAMPTZ DEFAULT NOW() NOT NULL,
+				expiration TIMESTAMPTZ DEFAULT NULL,
+				uses INTEGER DEFAULT 0,
+				max_uses INTEGER DEFAULT 1,
+				role TEXT NOT NULL DEFAULT 'user'
+			);`;
+	} catch (error) {
+		logger.error(["Could not create the invites table:", error as Error]);
+		throw error;
+	} finally {
+		if (selfReservation) {
+			reservation.release();
+		}
+	}
+}
+
+export async function drop(
+	cascade: boolean,
+	reservation?: ReservedSQL,
+): Promise<void> {
+	let selfReservation: boolean = false;
+
+	if (!reservation) {
+		reservation = await sql.reserve();
+		selfReservation = true;
+	}
+
+	try {
+		await reservation`DROP TABLE IF EXISTS invites ${cascade ? "CASCADE" : ""};`;
+	} catch (error) {
+		logger.error(["Could not drop the invites table:", error as Error]);
+		throw error;
+	} finally {
+		if (selfReservation) {
+			reservation.release();
+		}
+	}
+}
diff --git a/package.json b/package.json
index d05b594..5e5ed9d 100644
--- a/package.json
+++ b/package.json
@@ -13,6 +13,7 @@
 		"@eslint/js": "^9.21.0",
 		"@types/bun": "^1.2.4",
 		"@types/ejs": "^3.1.5",
+		"@types/luxon": "^3.4.2",
 		"@typescript-eslint/eslint-plugin": "^8.25.0",
 		"@typescript-eslint/parser": "^8.25.0",
 		"eslint": "^9.21.0",
@@ -30,6 +31,7 @@
 	"dependencies": {
 		"ejs": "^3.1.10",
 		"fast-jwt": "^5.0.5",
+		"luxon": "^3.5.0",
 		"redis": "^4.7.0"
 	}
 }
diff --git a/src/helpers/auth.ts b/src/helpers/auth.ts
index be59ff9..e1fccb8 100644
--- a/src/helpers/auth.ts
+++ b/src/helpers/auth.ts
@@ -24,7 +24,7 @@ export async function authByToken(
 
 	try {
 		const result: UserSession[] =
-			await reservation`SELECT id, username, email, roles avatar, timezone, authorization_token FROM users WHERE authorization_token = ${authorizationToken};`;
+			await reservation`SELECT id, username, email, roles, avatar, timezone, authorization_token FROM users WHERE authorization_token = ${authorizationToken};`;
 
 		if (result.length === 0) return null;
 
diff --git a/src/helpers/char.ts b/src/helpers/char.ts
index 7ec0bff..2e239b4 100644
--- a/src/helpers/char.ts
+++ b/src/helpers/char.ts
@@ -1,3 +1,5 @@
+import { DateTime } from "luxon";
+
 export function timestampToReadable(timestamp?: number): string {
 	const date: Date =
 		timestamp && !isNaN(timestamp) ? new Date(timestamp) : new Date();
@@ -11,3 +13,90 @@ export function isUUID(uuid: string): boolean {
 
 	return regex.test(uuid);
 }
+
+export function getNewTimeUTC(
+	durationStr: string,
+	from: DateTime = DateTime.utc(),
+): string | null {
+	const duration: DurationObject = parseDuration(durationStr);
+
+	const newTime: DateTime = from.plus({
+		years: duration.years,
+		months: duration.months,
+		weeks: duration.weeks,
+		days: duration.days,
+		hours: duration.hours,
+		minutes: duration.minutes,
+		seconds: duration.seconds,
+	});
+
+	return newTime.toSQL({ includeOffset: false });
+}
+
+export function parseDuration(input: string): DurationObject {
+	const regex: RegExp = /(\d+)(y|mo|w|d|h|m|s)/g;
+	const matches: RegExpMatchArray[] = [...input.matchAll(regex)];
+
+	const duration: DurationObject = {
+		years: 0,
+		months: 0,
+		weeks: 0,
+		days: 0,
+		hours: 0,
+		minutes: 0,
+		seconds: 0,
+	};
+
+	for (const match of matches) {
+		const value: number = parseInt(match[1], 10);
+		const unit: string = match[2];
+
+		switch (unit) {
+			case "y":
+				duration.years = value;
+				break;
+			case "mo":
+				duration.months = value;
+				break;
+			case "w":
+				duration.weeks = value;
+				break;
+			case "d":
+				duration.days = value;
+				break;
+			case "h":
+				duration.hours = value;
+				break;
+			case "m":
+				duration.minutes = value;
+				break;
+			case "s":
+				duration.seconds = value;
+				break;
+		}
+	}
+
+	return duration;
+}
+
+export function isValidTimezone(timezone: string): boolean {
+	return DateTime.local().setZone(timezone).isValid;
+}
+
+export function generateRandomString(length?: number): string {
+	if (!length) {
+		length = length || Math.floor(Math.random() * 10) + 5;
+	}
+
+	const characters: string =
+		"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
+	let result: string = "";
+
+	for (let i: number = 0; i < length; i++) {
+		result += characters.charAt(
+			Math.floor(Math.random() * characters.length),
+		);
+	}
+
+	return result;
+}
diff --git a/src/routes/api/auth/register.ts b/src/routes/api/auth/register.ts
index de6e16b..1f30fe5 100644
--- a/src/routes/api/auth/register.ts
+++ b/src/routes/api/auth/register.ts
@@ -6,7 +6,6 @@ import {
 	isValidUsername,
 } from "@config/sql/users";
 import { password as bunPassword, type ReservedSQL, sql } from "bun";
-import type { UUID } from "crypto";
 
 import { logger } from "@/helpers/logger";
 import { sessionManager } from "@/helpers/sessions";
@@ -56,14 +55,14 @@ async function handler(
 
 	const reservation: ReservedSQL = await sql.reserve();
 	let firstUser: boolean = false;
-	let invitedBy: UUID | null = null;
+	let inviteData: Invite | null = null;
 	let roles: string[] = [];
 
 	try {
 		const registrationEnabled: boolean =
-			(await getSetting("registrationEnabled", reservation)) === "true";
+			(await getSetting("enable_registration", reservation)) === "true";
 		const invitationsEnabled: boolean =
-			(await getSetting("invitationsEnabled", reservation)) === "true";
+			(await getSetting("enable_invitations", reservation)) === "true";
 
 		firstUser =
 			Number(
@@ -87,23 +86,30 @@ async function handler(
 		}
 
 		roles.push("user");
-		if (firstUser) {
-			roles.push("admin");
+		if (firstUser) roles.push("admin");
+
+		const result: { usernameExists: boolean; emailExists: boolean }[] =
+			await reservation`
+				SELECT
+				EXISTS(SELECT 1 FROM users WHERE LOWER(username) = LOWER(${username})) AS "usernameExists",
+				EXISTS(SELECT 1 FROM users WHERE LOWER(email) = LOWER(${email})) AS "emailExists";
+			`;
+
+		const { usernameExists, emailExists } = result[0] || {};
+
+		if (usernameExists || emailExists) {
+			errors.push("Username or email already exists");
 		}
 
-		const { usernameExists, emailExists } = await reservation`
-			SELECT
-				EXISTS(SELECT 1 FROM users WHERE LOWER(username) = LOWER(${username})) AS usernameExists,
-				EXISTS(SELECT 1 FROM users WHERE LOWER(email) = LOWER(${email})) AS emailExists;
-		`;
-
-		if (usernameExists) errors.push("Username already exists");
-		if (emailExists) errors.push("Email already exists");
 		if (invite) {
-			invitedBy = (
-				await reservation`SELECT user_id FROM invites WHERE invite = ${invite};`
-			)[0]?.id;
-			if (!invitedBy) errors.push("Invalid invite code");
+			const result: Invite[] =
+				await reservation`SELECT * FROM invites WHERE id = ${invite};`;
+
+			if (!result || result.length === 0) {
+				errors.push("Invalid invite");
+			}
+
+			inviteData = result[0];
 		}
 	} catch (error) {
 		errors.push("An error occurred while checking for existing users");
@@ -129,13 +135,25 @@ async function handler(
 		(await getSetting("default_timezone", reservation)) || "UTC";
 
 	try {
-		user = (
-			await reservation`
+		const result: User[] = await reservation`
 				INSERT INTO users (username, email, password, invited_by, roles, timezone)
-				VALUES (${username}, ${email}, ${hashedPassword}, ${invitedBy}, ARRAY[${roles.join(",")}]::TEXT[], ${defaultTimezone})
+				VALUES (${username}, ${email}, ${hashedPassword}, ${inviteData?.created_by}, ARRAY[${roles.join(",")}]::TEXT[], ${defaultTimezone})
 				RETURNING *;
-			`
-		)[0];
+			`;
+
+		if (result.length === 0) {
+			logger.error("User was not created");
+			return Response.json(
+				{
+					success: false,
+					code: 500,
+					error: "An error occurred with the user registration",
+				},
+				{ status: 500 },
+			);
+		}
+
+		user = result[0];
 
 		if (!user) {
 			logger.error("User was not created");
@@ -149,8 +167,17 @@ async function handler(
 			);
 		}
 
-		if (invitedBy) {
-			await reservation`DELETE FROM invites WHERE invite = ${invite};`;
+		if (invite) {
+			const maxUses: number = Number(inviteData?.max_uses) || 1;
+			const uses: number = Number(inviteData?.uses) || 0;
+
+			if (uses + 1 >= maxUses) {
+				await reservation`DELETE FROM invites WHERE id = ${inviteData?.id};`;
+			} else {
+				await reservation`UPDATE invites SET uses = ${uses + 1} WHERE id = ${inviteData?.id};`;
+			}
+
+			if (inviteData?.role) roles.push(inviteData.role);
 		}
 	} catch (error) {
 		logger.error([
diff --git a/src/routes/api/invite/create.ts b/src/routes/api/invite/create.ts
new file mode 100644
index 0000000..4226e58
--- /dev/null
+++ b/src/routes/api/invite/create.ts
@@ -0,0 +1,126 @@
+import { getSetting } from "@config/sql/settings";
+import { sql } from "bun";
+
+import { generateRandomString, getNewTimeUTC } from "@/helpers/char";
+import { logger } from "@/helpers/logger";
+
+const routeDef: RouteDef = {
+	method: "POST",
+	accepts: "application/json",
+	returns: "application/json",
+	needsBody: "json",
+};
+
+async function handler(
+	request: ExtendedRequest,
+	requestBody: unknown,
+): Promise<Response> {
+	if (!request.session) {
+		return Response.json(
+			{
+				success: false,
+				code: 403,
+				error: "Unauthorized",
+			},
+			{ status: 403 },
+		);
+	}
+
+	if (!getSetting("enable_invitations")) {
+		return Response.json(
+			{
+				success: false,
+				code: 403,
+				error: "Invitations are disabled",
+			},
+			{ status: 403 },
+		);
+	}
+
+	const isAdmin: boolean = request.session.roles.includes("admin");
+
+	if (!isAdmin && !getSetting("allow_user_invites")) {
+		return Response.json(
+			{
+				success: false,
+				code: 403,
+				error: "User invitations are disabled",
+			},
+			{ status: 403 },
+		);
+	}
+
+	const { expires, max_uses, role } = requestBody as {
+		expires?: string;
+		max_uses?: number;
+		role?: string;
+	};
+
+	if (role && !isAdmin) {
+		return Response.json(
+			{
+				success: false,
+				code: 403,
+				error: "You must be an admin to set the role",
+			},
+			{ status: 403 },
+		);
+	}
+
+	const expirationDate: string | null = expires
+		? getNewTimeUTC(expires)
+		: null;
+	const maxUses: number = Number(max_uses) || 1;
+	const inviteRole: string = role || "user";
+
+	let invite: Invite | null = null;
+	try {
+		const result: Invite[] = await sql`
+			INSERT INTO invites (created_by, expiration, max_uses, role, id)
+			VALUES (${request.session.id}, ${expirationDate}, ${maxUses}, ${inviteRole}, ${generateRandomString(15)})
+			RETURNING *;
+		`;
+
+		if (result.length === 0) {
+			logger.error("Invite failed to create");
+
+			return Response.json(
+				{
+					success: false,
+					code: 500,
+					error: "Invite was not created",
+				},
+				{ status: 500 },
+			);
+		}
+
+		invite = result[0];
+	} catch (error) {
+		logger.error(["Error creating invite:", error as Error]);
+
+		return Response.json(
+			{
+				success: false,
+				code: 500,
+				error: "An error occurred while creating the invite",
+			},
+			{ status: 500 },
+		);
+	}
+
+	return Response.json(
+		{
+			success: true,
+			code: 200,
+			invite: {
+				code: invite.id,
+				expiration: invite.expiration,
+				max_uses: invite.max_uses,
+				role: invite.role,
+			},
+		},
+		{ status: 200 },
+	);
+}
+
+export { handler, routeDef };
diff --git a/src/routes/api/invite/delete[invite].ts b/src/routes/api/invite/delete[invite].ts
new file mode 100644
index 0000000..96cf1b9
--- /dev/null
+++ b/src/routes/api/invite/delete[invite].ts
@@ -0,0 +1,92 @@
+import { type ReservedSQL, sql } from "bun";
+
+import { logger } from "@/helpers/logger";
+
+const routeDef: RouteDef = {
+	method: "DELETE",
+	accepts: "*/*",
+	returns: "application/json",
+};
+
+async function handler(request: ExtendedRequest): Promise<Response> {
+	if (!request.session) {
+		return Response.json(
+			{
+				success: false,
+				code: 403,
+				error: "Unauthorized",
+			},
+			{ status: 403 },
+		);
+	}
+
+	const isAdmin: boolean = request.session.roles.includes("admin");
+	const { invite } = request.params as { invite: string };
+
+	if (!invite) {
+		return Response.json(
+			{
+				success: false,
+				code: 400,
+				error: "Expected invite",
+			},
+			{ status: 400 },
+		);
+	}
+
+	const reservation: ReservedSQL = await sql.reserve();
+	let inviteData: Invite | null = null;
+
+	try {
+		const result: Invite[] =
+			await reservation`SELECT * FROM invites WHERE id = ${invite};`;
+
+		if (result.length === 0) {
+			return Response.json(
+				{
+					success: false,
+					code: 400,
+					error: "Invalid invite",
+				},
+				{ status: 400 },
+			);
+		}
+
+		inviteData = result[0];
+
+		if (!isAdmin && inviteData.created_by !== request.session.id) {
+			return Response.json(
+				{
+					success: false,
+					code: 403,
+					error: "Unauthorized",
+				},
+				{ status: 403 },
+			);
+		}
+
+		await reservation`DELETE FROM invites WHERE id = ${inviteData.id};`;
+	} catch (error) {
+		logger.error(["Could not get the invite:", error as Error]);
+
+		return Response.json(
+			{
+				success: false,
+				code: 500,
+				error: "Internal server error",
+			},
+			{ status: 500 },
+		);
+	}
+
+	return Response.json(
+		{
+			success: true,
+			code: 200,
+			message: "Invite deleted",
+		},
+		{ status: 200 },
+	);
+}
+
+export { handler, routeDef };
diff --git a/types/char.d.ts b/types/char.d.ts
new file mode 100644
index 0000000..67ebf8c
--- /dev/null
+++ b/types/char.d.ts
@@ -0,0 +1,9 @@
+type DurationObject = {
+	years: number;
+	months: number;
+	weeks: number;
+	days: number;
+	hours: number;
+	minutes: number;
+	seconds: number;
+};
diff --git a/types/session.d.ts b/types/session.d.ts
index 9f5d7b7..fa042a7 100644
--- a/types/session.d.ts
+++ b/types/session.d.ts
@@ -27,3 +27,13 @@ type User = {
 	created_at: Date;
 	last_seen: Date;
 };
+
+type Invite = {
+	id: UUID;
+	created_by: UUID;
+	created_at: Date;
+	expiration: Date | null;
+	uses: number;
+	max_uses: number;
+	role: string;
+};