Ranked #3031 on TrustMRR
12 active subscriptions
Bobby Iliev1,580 followers on 𝕏
BulgariaRevenue is verified with
Stripe API key.Last updated: Aug 3, 2026, 11:29 PM
Transactional email API with real-time tracing of every send, bounce, open, and webhook per email.
Most email APIs go quiet after the 200 status code, but SMTPfast traces the whole pipeline, providing diagnostics and insights into email delivery.
Audience
Developers
Pricing
Free: $0/month, Starter: $9/month, Growth: $19/month, Scale: $49/month
Domain Rating
smtpfa.st
Ahrefs Domain Rating measures backlink profile strength on a 0 to 100 logarithmic scale.
Marketing channels
Tech stack
Frontend
Additional info
Built on AWS SES; Open source; Offers a Resend-compatible sending API
Screenshot
smtpfa.stProduct updates
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