The email delivery system you can rely on
We offer cost-effective API for sending transactional and marketing emails.
Integrate it once, and let us take care of the rest.
Integrate it once, and let us take care of the rest.
Proven recognition
At UniOne, we work round-the-clock to provide our customers with friendly and responsive support for their excellent email delivery experience.
The types of automated emails we take care of
Different transactional emails and bulk marketing campaigns are the most common ways to use our robust email API.
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Abandoned cart emails
Increase your sales by reminding customers you still have something special for them.
Promotional emails
Encourage your subscribers to new purchases with catchy offers.
Validation and password recovery emails
Build solid and reliable connections with your audience.
Order confirmation emails and receipts
Deliver crucial messages instantly and monitor recipients' activity with real-time event logs.
Wishlist and product recommendation emails
Get more upsales with a personalized approach.
Customer feedback and survey emails
Make the most of your clients’ opinions to get even more of their love.
Friendly support to assist in your email journey
Great support as a standard
24х7 customer support available in the live chat and via email
4 languages are already supported, and we are working on more
5 minutes average response time
30 minutes or less to address a request
Our customers
Why businesses choose us?
Our Features for Your Successful Email Campaigns
Competitive Pricing
Get everything you need for sending transactional emails and promo campaigns at lower costs.
Proven Expertise
We deliver billions of emails annually, and 99,88% reach their destinations successfully.
Being Data-Driven Is Easy
Enjoy instant event notification via webhooks, visual dashboards, and CSV data export for up to 100 days’ period.
Email Templates
40+ ready-to-go examples, visual drag-and-drop builder, and AI-powered HTML editor.
Independent Projects
Group email campaigns by types, topics, or senders, having an individual environment for each.
Reputation Management
Email validation API and dedicated IPs will skyrocket your deliverability.
Effortless Сonnectivity
Send emails flawlessly with our robust Web API, easy-to-go SMTP API, and ready-to-use integrations.
Custom Tracking Domains
Brand the tracking links for free to get the best credibility, or use a white label model.
GDPR Compliance and Personal Data Protection
The safety of your data is the top priority for us. Thus, we do not store any personal and sensitive information on our servers. UniOne just processes the request to send the email and provides the statistics.
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We have legal entities in the EU and US
At UniOne, we’re flexible in payment methods and terms of customer service. We support all the most common credit and debit cards and provide the option of post-payment via the Contract and bank transfers.
Meet our CTO & Co-Founder
Alexey
Why UniOne?
That’s a fairly personal question, but we’re glad you asked
| UNIONE | Mailgun | Sendgrid | Mailchimp Transactional | |
|---|---|---|---|---|
| Free trial | 6000 emails/month for 4 months | Up to 2.5M, but for 1 month only | 100 emails/day forever (3,000 emails/month) | No |
| Minimum price per 1k emails at basic tariffs / custom tariffs | $0.22 / $0.07 | $0.35 / $0.08 | $0.47 / $0.17 | $0.4 + minimum $20/month for 500 contacts Standard plan |
| Customer support | 24/7 in live chat and via email for everybody, on all pricing plans | Support tickets (response time about 24 hours), Chat between 7 am to 7 pm CST, Monday to Friday (for pricing plans starting at $80), Phone between 8 am to 5 pm CST, Monday to Friday (for pricing plans starting at $90) | Ticket support 24/7 (for logged in users only), chat support 24/7 (for paying customers), callback between 7 AM to 5 PM MT (for Pro or higher accounts) | 24/7 email & chat support at paid "Standard" plans only, or Email support for first 30 days |
| Transactional and bulk emails via SMTP and REST API | Yes | Yes | Yes | Yes |
| Independent tags for statistics | up to 4 per email, up to 10,000 per project + filtering through several categories | up to 3 per email, up to 5,000 per domain + filtering through 1 category only | up to 10 per email, up to 100 per domain (recommended) + filtering through 1 category only | up to 100 per email, up to 1,000 per account |
| Custom tracking domain and unsubscribe link | Yes | Partially | Partially | Yes |
| White Label | Yes | Yes | Partially | Partially |
FAQ
Transactional emails are essential for delivering timely and personalized information triggered by user actions, such as password resets, order confirmations, and notifications. Bulk emails, on the other hand, are typically used for marketing purposes and do not offer the same level of personalization and immediacy. Using transactional emails ensures higher engagement and compliance with email regulations.
Compared to other bulk email providers, free, or custom SMTP servers, transactional email services prioritize the deliverability and speed required for transactional emails. UniOne is specifically designed to handle transactional emails, ensuring they reach recipients promptly and reliably, with robust tracking and monitoring features to maintain high deliverability rates.
Getting started with UniOne is simple. Sign up for an account, verify your domain, integrate our API with your application using our comprehensive documentation and SDKs, and start using the service. Our support team is available to assist you throughout the process to ensure a smooth setup.
Absolutely! Our platform provides a user-friendly editor with 40+ ready-to-go examples for creating and customizing email templates. You can fully personalize the content, layout, and design using our drag-and-drop or HTML editor to match your brand's look and feel.
While free SMTP servers can be useful for basic needs, they often lack the reliability, speed, and advanced features required for high-quality transactional emails. UniOne offers high deliverability, detailed analytics, and robust security measures, ensuring your emails reach the inbox and comply with industry standards. Investing in a dedicated service of UniOne provides peace of mind and professional support.
It’s optional. A dedicated IP can be beneficial for maintaining a strong sender reputation, especially if you send a high volume of emails. It ensures that your email deliverability is not affected by the actions of other users. UniOne offers dedicated IP options to help you maintain control over your email sending reputation and achieve consistent deliverability.
At UniOne, we ensure a high email deliverability rate of 99.88% for all transactional emails, including large-volume.We deliver transactional emails to recipients' inboxes in several seconds. This ensures that all your critical notifications are received exactly when needed, providing timely and reliable communication.
Security and compliance are top priorities for us. Our service is designed with 4 layers of security to protect sensitive user data. We are compliant with major regulations, including GDPR and US CAN-SPAM. All data is encrypted in transit and at rest, UniOne consistently incorporates "privacy by design" principles in its proactive product development efforts.
UNIONE
New horizons for your business
