Unosend

unosend.co

Unosend provides an Email API for developers to send transactional emails.

Unosend is the email API built for product teams and enterprises. Send transactional emails and track from one place.

Key facts

Founder: Venkat · 4.6K followers
Founded: November 2025
Based in: 🇺🇸 United States
Payments: Dodo Payments
Plans from: $4 a month
Revenue, 12 months: $475
Revenue, all time: $475
Domain registered: November 2025
Registrar: Spaceship, Inc.
Listed on StartupsIntel: October 2026

Built with

Next.js (frontend)TypeScript (frontend)JavaScript (frontend)React (frontend)Anthropic (backend)Supabase (backend)Dodo Payments (backend)

Daily revenue, last 30 days

Verified with Dodo Payments

Monthly revenue

Verified with Dodo Payments

Popularity by source

October 2026

Not in any top-million list

That usually means fewer than about 76.5K visits a month. New and niche sites rarely reach public rankings, we check again every month.

TrancoResearch list, average of several rankings	Not listed
Cloudflare RadarTraffic through Cloudflare's network	Not listed
Chrome UX ReportVisits by Chrome users, from Google	Not listed
Cisco UmbrellaDNS lookups	Not listed
MajesticSites linking to it	Not listed

Ranks for this exact domain, lower is more popular. How we combine them

Whois information

Domain	unosend.co
Registrar	Spaceship, Inc.
Registrar ID	3862
Created date	2025-11-27 20:26:08 UTC
Expires date	2026-11-27 23:59:59 UTC
Updated date	2026-01-05 12:05:29 UTC
Domain status	clientTransferProhibited
Name servers	launch2.spaceship.netlaunch1.spaceship.net
DNSSEC	signed

Raw whois

Domain Name: UNOSEND.CO
Registry Domain ID: D34355821-CNIC
Registrar WHOIS Server: whois.spaceship.com
Registrar URL: https://www.spaceship.com/
Updated Date: 2026-01-05T12:05:29.0Z
Creation Date: 2025-11-27T20:26:08.0Z
Registry Expiry Date: 2026-11-27T23:59:59.0Z
Registrar: Spaceship, Inc.
Registrar IANA ID: 3862
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registrant Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Admin Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Tech Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Name Server: LAUNCH2.SPACESHIP.NET
Name Server: LAUNCH1.SPACESHIP.NET
DNSSEC: signedDelegation
Billing Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +1.9854014545

SEO audit

15 of 16 checks passed

SEO score

Response 2329 ms · 290 KB

Served over HTTPS
Title tag present
Title length 30 to 60 characters
Meta description present
Description length 70 to 160 characters
Exactly one H1 heading
Uses H2 sub-headings
Canonical URL set
Mobile viewport tag
Language declared
Open Graph tags
Twitter card tags
Structured data (JSON-LD)
Images have alt text
At least 300 words of content
Responds in under 1.5 secondsSpeed up the server response (caching, CDN).

Title (44 characters): Unosend – Email API for developers | Unosend
Description (82 characters): Email infrastructure that just works. Send transactional emails with a simple API.
Headings: 1 H1, 6 H2, 15 H3
Words on page: 546
Links: 23 internal, 16 external
Structured data: SoftwareApplication, Organization, WebSite, Product, FAQPage, HowTo

On-page keywords

Phrase	Type	Mentions
api infinite	Two words	2
infinite emails	Two words	2
standard smtp	Two words	2
api infinite emails	Three words	2
being acquired service	Three words	1
acquired service continues	Three words	1
unosend	Word	11
emails	Word	10

Tech stack and pricing

Lowest paid plan

$4 /month

$360 a year

Next.js Intercom

About Unosend

What is Unosend?

Unosend provides an Email API for developers to send transactional emails.

How much does Unosend cost?

Paid plans start at $4 per month, or $360 a year, based on the public pricing page.