the serverless waitlist service

Your waitlist deserves the HYPE

Collect waitlist emails with a single API call. No accounts. No dashboards. No friction. Just point your form and start building hype.

for AI agents

Just point your AI agent to hypestash.dev

and it will just work and get the waitlist ready. Our API is so simple, any AI coding assistant can set it up in seconds.

"Add a waitlist to my landing page using hypestash.dev"
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How it works

Three steps to stardom

No signups. No API keys. No configuration files. Your waitlist is live before you finish reading this.

1

Create your stash

One POST request with your domain and email. That's it. You get back a handle URL instantly.

POST /setup
{
  "domain": "myapp.com",
  "email": "[email protected]"
}
2

Verify your email

Click the confirmation link we send you. This proves you own the email and activates your stash.

email confirmed!
3

Collect the hype

Point your form action to the handle URL. Every email lands in your stash. We notify you as they roll in.

<form action="https://api.hypestash.dev
  /hype/your-handle"
  method="POST">
  <input name="email" />
  <button>Join!</button>
</form>
For developers

The full API

Everything you need. Nothing you don't.

POST /setup — Create a new waitlist
setup example
curl -X POST https://api.hypestash.dev/setup \
  -H "Content-Type: application/json" \
  -d '{
    "domain": "myapp.com",
    "email": "[email protected]",
    "description": "The future of project management",
    "private": false
  }'
POST /hype/:handle — Add a subscriber to the waitlist
collect emails
<form
  action="https://api.hypestash.dev/hype/myapp-com-a7f3"
  method="POST"
>
  <input
    type="email"
    name="email"
    placeholder="[email protected]"
    required
  />
  <button type="submit">
    Join the Waitlist
  </button>
</form>
GET /verify/:token

Email verification link. Sent automatically after /setup. Click to activate your stash.

GET /download/:otp

One-time CSV download. Links are included in notification emails. Each link works exactly once.

POST /cancel/:handle

Delete your waitlist and all subscriber data. Irreversible. Handle your hype responsibly.

GET /leaderboard

Public leaderboard of paid HypeStash instances. See who's building the most hype. Free advertising.

Features

Everything a VIP needs

Your waitlist. Your rules. Our infrastructure.

Email Collection

Simple form action. Accepts HTML forms and JSON. Origin-locked to your domain for security.

Smart Notifications

Get emailed when subscribers join. Frequency scales logarithmically so you're never spammed.

CSV Exports

One-time download links in notification emails. Export your subscriber list whenever you need it.

Hype Leaderboard

Paid instances get featured on the public leaderboard. Free advertising for your launch. Stock-ticker growth metrics.

Origin-Locked

Endpoints are bound to your domain. No one else can submit to your stash. Built-in spam filtering.

Zero Config

No accounts. No dashboards. No API keys. Set up in under 10 seconds and start collecting emails immediately.

Notifications

You're getting famous

We email you as subscribers join. The frequency scales with your growth so your inbox stays sane.

1 — 3
Every subscriber + CSV download link
4 — 10
Every subscriber
11 — 25
Every 5 subscribers
26 — 100
Every 10 subscribers
101 — 500
Every 25 subscribers
500+
Every 100 subscribers

All notification emails include a one-time CSV download link — free and paid.

subs without a plan? we'll nudge you to pick one. gently.

Pricing

Roll out the red carpet

Start free. Upgrade when you're ready for the spotlight.

Free

$0

For testing the waters and getting your first hype.

  • First 50 subscribers
  • Email notifications
  • CSV exports in all notifications
  • 14-day data retention
Most Popular

Hype Pro

$5 /month

For builders who are serious about their launch.

  • Unlimited subscribers
  • All notifications include CSV download
  • Leaderboard listing
  • Permanent data retention
  • Priority support

Pay per Hype

$0.25 /subscriber

After the free tier. No monthly commitment.

  • Pay only when you grow
  • CSV exports included
  • Leaderboard eligible
  • Cancel anytime

Ready to build the hype?

One curl command. One email confirmation. Your waitlist is live. No excuses.

terminal
curl -X POST https://api.hypestash.dev/setup \
  -H "Content-Type: application/json" \
  -d '{"domain":"yoursite.com","email":"[email protected]"}'

The Hype Leaderboard

See who's building the most hype. Paid members get featured with live growth metrics, sparklines, and stock-ticker style acceleration indicators.

View Live Leaderboard