first commit

calcom/apps/web/pages/api/username.ts

@@ -0,0 +1,22 @@
+import type { NextApiRequest, NextApiResponse } from "next";
+import { z } from "zod";
+
+import { orgDomainConfig } from "@calcom/features/ee/organizations/lib/orgDomains";
+import { checkUsername } from "@calcom/lib/server/checkUsername";
+
+type Response = {
+  available: boolean;
+  premium: boolean;
+};
+
+const bodySchema = z.object({
+  username: z.string(),
+  orgSlug: z.string().optional(),
+});
+
+export default async function handler(req: NextApiRequest, res: NextApiResponse<Response>): Promise<void> {
+  const { currentOrgDomain } = orgDomainConfig(req);
+  const { username, orgSlug } = bodySchema.parse(req.body);
+  const result = await checkUsername(username, currentOrgDomain || orgSlug);
+  return res.status(200).json(result);
+}