OpenInbox.io
Disposable email inboxes via API. Create inboxes in seconds, receive emails programmatically, and keep your real address private. Built for developers, QA teams, and CI/CD pipelines — with webhooks, c
Developer Tools
Visit site Revenue (30d)
$401
MRR
$228
Growth (30d)
+75%
Lifetime revenue
$732
Active subs
16
Customers
0
Profit margin
—
Payment
polar
Market: Email & SMS Communication APIs
Offers APIs and tools for email validation, verification, disposable inboxes, transactional email sending, and SMS gateways for developers.
Market size (30d)
$1.8k
Competitors
5
Median growth
+186%
Leader's share
31%
Wide open — nobody has won this
Everyone else in this market
Startup30d revGrowth
What it does
The most developer-friendly temporary email service — with an API, webhooks, and real-time delivery.
Problem
Protect your primary email from marketing spam and unwanted newsletters, and test applications and verify email functionality during development.
Who for
Developers
Pricing
Free: $0, Pro: $7/mo, Business: $15/mo, Premium: $29/mo
Tech stack
nodejs
typescript
postgresql
cloudflare
react