Revenue (30d)
$209
MRR
$109
Growth (30d)
+186%
Lifetime revenue
$516
Active subs
10
Customers
0
Profit margin
95%
Payment
stripe
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
Transactional email API with real-time tracing of every send, bounce, open, and webhook per email.
Problem
Most email APIs go quiet after the 200 status code, but SMTPfast traces the whole pipeline, providing diagnostics and insights into email delivery.
Who for
Developers
Pricing
Free: $0/month, Starter: $9/month, Growth: $19/month, Scale: $49/month
How they get customers
The channels this company actually uses — match them against what you are good at.
SEO / Content
Blog
Content Marketing
SEO
Newsletter
Tech stack
nextjs
postgresql
redis
cloudflare
digitaloceanaws
