quietmoneyKeplars
Provides APIs for transactional and marketing email, an SMTP relay, webhooks, a visual editor, inbox warm-up, and delivery tracking, supports sending through Gmail/Outlook OAuth, and also has SDKs in 11 languages, automation flows, and an MCP service.
Two founders tuOne-line growth story, compiled by us from public sources; speculation is marked separately below.
Revenue over time
Real payments synced by TrustMRR, in USD, by calendar month, renewals included.
- MRR
- $1,666
- Revenue, last 30 days
- $275
- All-time revenue
- $1,262
- Active subscriptions
- 29
- Payments via
- Stripe
- Source
- TrustMRR, synced from the founder's payment account
1. Productwhat it sells, to whom, and how it charges
- Product
- Provides APIs for transactional and marketing email, an SMTP relay, webhooks, a visual editor, inbox warm-up, and delivery tracking, supports sending through Gmail/Outlook OAuth, and also has SDKs in 11 languages, automation flows, and an MCP service.
- Users
- Indie developers, startup teams, and product teams who need to add signup verification codes, password resets, and invoice emails to their products, often using Next.js, Supabase, Firebase, Lovable, and similar tools
- Positioning
- Cheaper usage-based pricing than Resend, SendGrid, and Postmark: $1/month includes 5,000 transactional emails, and marketing email is charged by send volume rather than contact count
- Pricing
- Pulse $1/month (5,000 transactional emails); Orbit $5/month; Launch $10/month; Custom from $10/month; extra mailbox account $0.5, extra AI credits $1; 7-day free trial with no credit card Billing: subscription Free tier: no Source: Homepage
- Prices on site
- $1/mo Pulse (5,000 emails); $5/mo Orbit; $10/mo Launch; $10/mo Custom (starting); $0.5 per extra email account; $1 per extra AI credit
- Acquisition entry points on site
- affiliate / referral program, Discord community, Product Hunt
“No referral, share or badge features seen; GitHub icon links to github.com/KeplarsHQ but page does not say product is open source; '/affiliate' and '/partners' links”Quote from the site
2. Channelswhere new users come from and what the traffic looks like
New-user source: SEO (Non-brand search). Similarweb 2026-09: direct 38.8% is the top channel, organic search about 45.9%, referrals about 9%, paid 0%; 16 keywords, and the non-brand ones are all alternative-seeking terms like resend free tier, resend alternatives, and best email provider resend alternatives; the website has comparison pages for Resend, SendGrid, Postmark, Amazon SES, Mailgun, and others. The founder's self-reported channels on TrustMRR: Product Hunt, word of mouth, Discord, partners, Cold DM, LinkedIn, X. It launched on Product Hunt twice, on 2026-04-01 and 04-29, went live on the Vercel Marketplace on 2026-03-10, and has an affiliate program and a partners page.
Last month's traffic sources
Top channel measured by Similarweb, others estimated by rank
Five-class attribution
| Attributable new users, last month | Share |
|---|---|
| SEO | 37% |
| Other | 63% |
Direct + brand search 48%. Direct and brand search count as viral only when the site shows sharing mechanics; the largest share wins, under 5% means Other.
Countries
| Country | Share of visits |
|---|---|
| India | 54.18% |
| United States | 45.82% |
Language
English
Keywords
16 keywords · brand ~48% · organic 100% / paid 0%
| Similarweb top 5 keywords |
|---|
| keplars |
| resend free tier |
| resend alternatives |
| resend alternative |
| best email provider resend alternatives |
Non-brand queries: resend free tier, resend alternatives, resend alternative, best email provider resend alternatives
Site metrics (Similarweb, last month)
- Visits MoM
- -0.15%
- Country rank
- India #869331
- Bounce rate
- 36.51%
- Pages / visit
- 1.08
- Top 3 channels
- Direct › Organic Search › Referrals (top channel 38.76%)
3. Growth pathhow the first users arrived and what kept it growing
Classification
Basics
Timeline
Growth loop
Revenue and scale clues
Confidence and gaps
Other sites that started via “Launch platform”
Similar sitessame category, also growing via SEO
FAQ
How much revenue does Keplars make per month?
About $380 last month (real payments synced by TrustMRR), #550 of 563 TrustMRR sites; the month before was $204.
Where do Keplars's new users come from?
New-user source: SEO (Non-brand search). New users mostly come from need-based searches Similarweb 2026-09: direct 38.8% is the top channel, organic search about 45.9%, referrals about 9%, paid 0%; 16 keywords, and the non-brand ones are all alternative-seeking terms like resend free tier, resend alternatives, and best email provider resend alternatives; the website has comparison pages for Resend, SendGrid, Postmark, Amazon SES, Mailgun, and others. The founder's self-reported channels on TrustMRR: Product Hunt, word of mouth, Discord, partners, Cold DM, LinkedIn, X. It launched on Product Hunt twice, on 2026-04-01 and 04-29, went live on the Vercel Marketplace on 2026-03-10, and has an affiliate program and a partners page.
How much does Keplars cost?
Pulse $1/month (5,000 transactional emails); Orbit $5/month; Launch $10/month; Custom from $10/month; extra mailbox account $0.5, extra AI credits $1; 7-day free trial with no credit card
Dossier confidence: low. Parts 1 and 2 come from reading the site and Similarweb data; part 3 from public reporting, founder posts, Wayback snapshots, WHOIS and similar, with speculation marked.
The numbers: revenue comes from TrustMRR: real payments synced automatically from the founder's Stripe or other payment account, summed by calendar month, renewals included, in USD. Site visits come from the Similarweb public page; where it shows none, they are estimated from global rank or the TrustMRR payment count, as noted on the page.
Data through last month. Page updated 2026-10-31.