Ship fast. Validate faster.

The developer platform for pre-launch growth. One API key gives you email collection, confirmation emails, campaign tools, analytics, and exports.

0+ developers already joined

waitlist.tsx

import { WaitKit } from "waitkit"

const wk = new WaitKit({
  apiKey: "wk_9f8a2e...",
  projectSlug: "my-startup"
})

// Add a subscriber
await wk.subscribers.create({
  email: "user@example.com"
})

// Get total count
const total = await wk
  .subscribers.count()

console.log(total) // 2847

import { WaitKit } from "waitkit"

const wk = new WaitKit({
  apiKey: "wk_9f8a2e...",
  projectSlug: "my-startup"
})

// Add a subscriber
await wk.subscribers.create({
  email: "user@example.com"
})

// Get total count
const total = await wk
  .subscribers.count()

console.log(total) // 2847

SDK & React Hook

Drop in our SDK or use the useWaitlist hook to add join, count, loading states, and error handling — zero backend code needed.

Email + Confirmation

Capture signups with built-in validation, auto-confirmation emails via Resend, and customizable templates — out of the box.

Email Campaigns

Engage your waitlist with targeted campaigns. Schedule broadcasts, segment by attributes, and track delivery with detailed logs.

Analytics & Insights

Track signups with custom metadata, source attribution, real-time subscriber counts, and export data when you're ready to launch.