An email API for developers to send transactional and marketing emails.
Signal history
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Product memo
Developers and product teams use Unosend to manage both transactional and marketing email sending through a single API. It simplifies email infrastructure, offering real-time delivery logs and a unified stream for all outbound messages. This approach helps teams maintain deliverability and track performance without managing separate systems.
For who
Developers and product teams
Solves what
Sending transactional and marketing emails via a simple API
- Email API & SMTP relay
- Real-time delivery logs
- High inbox rates
In their own words
One API.
Unosend is the email API built for product teams and enterprises. Send transactional emails and track from one place.
Send transactional emails and track from one place.
Commercial cues
Model
usage based
Free tier
Yes
Trial
No
Pricing Strategy
- • Credit-based pricing removes monthly subscription friction for low-volume users.
- • A free tier incentivizes initial adoption and testing for new projects.
- • Dedicated IP add-ons target high-volume senders needing enhanced deliverability.
Operator context
Founded
Nov 2025
HQ
India
Platform
API
Audience
Developers
Payments
Dodo Payments
Public footprint
+1 more footprint links
Tech stack
Builder Strategy
- Strategy Type
- Niche Specialist
- Stage
- Vc Growth
- Effort
- Solo Buildable
About Unosend Expand
Unosend offers a developer-first email API designed for sending both transactional and marketing emails. It provides a unified platform for all outbound messages, simplifying email infrastructure for product teams and enterprises.
The service includes real-time delivery logs and an SMTP relay, ensuring teams can track email performance and maintain high deliverability. Its credit-based pricing model appeals to users seeking predictable costs, allowing them to manage email volumes without the friction of per-seat or fixed monthly subscriptions.