Resend
Email API for developers sending transactional and marketing email, with inbound email, CLI and SDKs
Overview
Resend (resend.com): Email API for developers sending transactional and marketing email, with inbound email, CLI and SDKs. Category on TopCheckouts: Developer tools.
In September 2026, Similarweb estimates about 10,076 visits went from Resend to a checkout payment page — 324 of the 607 sites we track. That is 1,249% up from the April–June monthly average of 747.
Total website visits that month were about 2,175,419 (Similarweb 3-month total, split by month-over-month change). Roughly 0.5 of every 100 visits reached the checkout page.
Largest September traffic sources: direct 67%, search 25%, referrals/email/paid 5%. (undefined)
New users mostly come from the product spreading itself: the site shows open source, and direct plus brand search is about 92%, plus shares via WhatsApp. Most new users are brought in by existing ones.
Pricing: $0/mo (Free, 3,000 emails); $20/mo (Pro 50k); $35/mo (Pro 100k); $90/mo (Scal.
Checkout visits over time
By checkout
| Checkout | Apr–Jun avg | Jul | Aug | Sep |
|---|---|---|---|---|
| invoice.stripe.com | 0 | 318 | 10,257 | 9,473 |
| buy.stripe.com | 568 | 0 | 0 | 603 |
| pay.stripe.com | 178 | 0 | 1,636 | 0 |
| polar.sh | 0 | 0 | 0 | 0 |
| whop.com | 0 | 0 | 0 | 0 |
Similarweb referral data; months derived from 1/2/3/6-month shares.
Website traffic & engagement
Traffic sources
Similarweb top channel measured, others estimated by rank
How the new-user source is computed
Direct + brand search 91.8% · Direct and brand search count as viral only when the site shows sharing mechanics; the largest share wins, under 5% means Other.
Search & AI
Social & referrals
Visitor countries
Product & pricing
$20/mo (Pro 50k)
$35/mo (Pro 100k)
$90/mo (Scal
“Links to GitHub repos: 'Self-hosted MCP Server' (github.com/resend/resend-mcp) and CLI 'Repository'; no open-source license claim for core product”From the site
FAQ
How many checkout visits does Resend get per month?
In September 2026, Similarweb estimates about 10,076 visits went from Resend to a checkout payment page — 324 of the 607 sites we track. That is 1,249% up from the April–June monthly average of 747.
Where do Resend's new users come from?
New users mostly come from the product spreading itself: the site shows open source, and direct plus brand search is about 92%, plus shares via WhatsApp. Most new users are brought in by existing ones.
How does Resend charge?
Pricing: $0/mo (Free, 3,000 emails); $20/mo (Pro 50k); $35/mo (Pro 100k); $90/mo (Scal.
Similar sites
About the data
Checkout visits are Similarweb's estimate of visits from this site to a checkout payment page; opening checkout is not paying, so this is not revenue. For how September site visits and source shares are computed see the notes at the bottom of the homepage. Data updated 2026-10-21.