Best Transactional Email Services with a Free Trial
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Compare the Top Transactional Email Services with a Free Trial as of October 2025
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What are Transactional Email Services with a Free Trial?
Transactional email services provide a way to send automated emails triggered by specific events like customer signups, purchases or password resets. They are used as a means of communication for companies and organizations to quickly send personalized messages to customers. Customers can receive emails such as receipts, invoices, shipping notifications, order cancellations and other updates through transactional email services. Transactional emails often offer an efficient way to let customers know about their account activities without manual intervention from the company. Compare and read user reviews of the best Transactional Email services with a Free Trial currently available using the table below. This list is updated regularly.
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1
GetResponse
GetResponse
GetResponse provides all-in-one marketing software that empowers marketers, solopreneurs, coaches, creators, and small business owners with affordable, easy-to-use tools for email marketing, marketing automation, and content monetization. With over 25 years of expertise, GetResponse goes beyond email with tools to help grow and engage audiences, create and sell courses, and turn ideas into income. It’s the go-to solution for building a personal brand, selling products and services, and fostering a loyal community.">
Starting Price: $0 -
2
ClickSend
ClickSend
ClickSend offers SMS, MMS, Voice, Online Mail, Email and Fax software for businesses. Our communications and messaging tools are simple to use, automate and integrate. That’s why they’re used by some of the most trusted brands, organisations and developers globally. Built for all, you can access ClickSend via our Dashboard, mobile app, flexible API or 900+ integrations. Plus, ClickSend offers helpful 24/7 support, and lightning fast delivery via a secure and reliable platform. From SMS marketing and alerts to bulk mailouts sent from your browser, join over 90,000+ businesses sending communications around the world. Our 100% uptime guarantee and lightning fast direct routes provide reliable messaging, no matter the channel. From small businesses to enterprise, ClickSend powers billions of messages around the world with 232+ direct carrier connections. Plus, ClickSend is always pay-as-you-go. That’s why ClickSend is business communications, solved.Starting Price: $20 minimum topup -
3
Brevo
Brevo
Say hello to Brevo (formerly Sendinblue) — the platform that helps you build customer relationships across Email, SMS, Chat, and more. The complete toolkit to turn one-time browsers into long-term customers. Connect with contacts directly in their inbox with beautifully designed email campaigns. Send targeted messages that land straight in your customers' pockets. Brevo empowers businesses to build and grow relationships through marketing automation, email campaigns, transactional emails and SMS messages. What makes us different? Brevo is powered by our world-class customer happiness team and we offer pricing plans guaranteed to make you smile. Our platform combines a robust suite of services within a single, user-friendly solution. Happy Sending!">
Starting Price: €25 per month -
4
emfluence Marketing Platform
emfluence
Designed with you in mind, the emfluence Marketing Platform offers an intuitive interface and powerful features to streamline your digital marketing efforts. Whether you're launching personalized campaigns, managing multiple brands, or crafting strategies, our platform empowers you to succeed with email automation, advanced personalization in email marketing, social media management, timely SMS marketing, high-converting landing pages, comprehensive automated reporting, website tracking, lead scoring, a centralized marketing calendar, and more. Experience the perfect balance of usability and functionality with the emfluence Marketing Platform, and take your marketing to the next level.Starting Price: $1,000/month -
5
SendGrid
Twilio SendGrid
Email is the backbone of your customer engagement. The Twilio SendGrid Email API is the email service trusted by developers and marketers for time-savings, scalability, and delivery expertise. Our flexible Email API and proprietary Mail Transfer Agent (MTA), intuitive console, powerful features, and email experts make it easy to ensure all your email gets delivered in seconds and without interruption. Monitor engagement data and optimize deliverability with our Deliverability Insights dashboard. Whether you’re sending 100 emails or 100 billion, SendGrid is built to scale. Integrate with our RESTful APIs and SMTP in minutes, with sample code libraries available in 7 languages, interactive docs, templates, and more.Starting Price: $19.95 per month -
6
Mailjet
Sinch
The email solution for fast-moving teams. We know how hard it can be to find an affordable and effective email service. Mailjet is the perfect solution for your needs, our advanced features help you grow your business at a very reasonable price. Effortlessly craft beautifully responsive email in just a few clicks with our email editor, Passport. Use our rich library of free email templates or create your own design from scratch. Use Mailjet’s Collaboration Toolkit to work on the same email template or campaign in real time to increase your team’s efficiency. Drastically shorten feedback cycle with commenting and approval workflow features to go faster. Personalize each email with customer data you collect and segment your contact list to send the right content to the right customer. It’s easy to make each of your recipients feel special. Optimize the performance of your campaign with real-time statistics available with each sending.Starting Price: $9.65 per month -
7
SendPulse
SendPulse
A multi-channel marketing automation platform designed to help marketers create personalized promotional campaigns. Users can choose between email, SMS, and web push notification or build an elaborate message sequence by combining several channels in a single campaign. When it comes to email marketing, the platform packs all the necessary tools to automate lead nurturing and lead generation. Users can create custom subscription forms and grow their mailing list. Intuitive drag and drop allows users to design mobile-friendly email templates or choose a predesigned one from a massive gallery. The company, also, offers a transactional email service that users can use to send up to 12000 free emails via SMTP or API. SendPulse has its own chatbot builder. Users can create a Facebook Messenger chatbot or a Telegram chatbot and use it to send personalized campaigns or as an autoresponder.Starting Price: $9 per month -
8
turboSMTP
turboSMTP
TurboSMTP understands that email is not just a means of communication but the backbone of your customer engagement strategy. TurboSMTP Email API is trusted by developers and marketers alike for its time-saving features, scalability, and delivery expertise. Our service offers a flexible SMTP relay solution along with advanced features tailored to meet the needs of businesses of all sizes. With our intuitive dashboard, powerful features, and dedicated support, ensuring the delivery of your emails is seamless and uninterrupted. TurboSMTP's infrastructure is built to scale, whether you're sending a few hundred emails or millions. Integration with our service is effortless, with sample code libraries available in multiple languages, interactive documentation, and customizable templates. Monitor engagement data and optimize deliverability with our comprehensive reporting tools. Trust TurboSMTP to deliver your emails reliably and efficiently, empowering you to engage with your audience.Starting Price: $14.95 per month -
9
inwise
inwise
inwise is an all-in-one AI-powered marketing cloud tool designed to help businesses grow and connect with their audience. It simplifies direct marketing by offering features like popups, signup forms, and automated customer journeys to attract, engage, and convert leads into customers. With inwise, businesses can manage email marketing, WhatsApp & SMS campaigns, landing pages to boost sales, while also retaining customers through newsletters and personalized messaging. Trusted by thousands of businesses worldwide, inwise ensures data security with both on-premise and SAAS solutions, offering seamless integration with your existing dataStarting Price: $18.00/month -
10
ZeptoMail
Zoho
Your transactional emails carry crucial information. ZeptoMail is a reliable and secure service that delivers these all-important emails instantly. With high-speed delivery and great inbox placement, ZeptoMail means you no longer keep your customers waiting. Transactional emails are unique emails that are usually triggered by some user action. More often than not, your customers are expecting these emails in their inbox within seconds of the trigger action. Pick the right delivery service and keep your customers happy. Your users will no longer be left refreshing their inbox for their email verification code or password reset emails. Email deliverability is a consequence of the reputation of the sender IP address. ZeptoMail is built exclusively to tackle the challenges of sending transactional emails. Delivery is good. Delivering to the right folder is crucial. ZeptoMail supports industry-standard authentication mechanisms such as SPF and DKIM.Starting Price: $2 per credit -
11
Kingmailer
KingSMTP.com
KingSMTP.com (formerly known as Kingmailer.co, founded in 2017) is a Transactional SMTP service provider. It’s designed to help businesses reliably send emails such as order confirmations, password resets, or notifications, but it’s not intended for mass email campaigns or marketing.Starting Price: $0 per month -
12
EmailLabs
Vercom
EmailLabs is part of the Vercom S.A Group, which implements technology solutions in the CPaaS model. We are a cloud SMTP server infrastructure: Cloud SMTP & Email API. With years of experience in sending to the most informed senders, we can make a measurable contribution to building email reputation and improving deliverability. We take care of standardization and security of both marketing, transactional and system messages of our customers. Thanks to the in-depth knowledge of our experts, we are able to prepare the infrastructure to ensure appropriate throughput and increase the sending speed for any market and any mailbox provider. Plug EmailLabs into your transactional sends - start sending in less than 5 minutes.Starting Price: Free -
13
Go4Clients
Go4Clients
Automate customer engagement with our Drips technology. Go4Clients latest Drips feature uses a combination of SMS, Voice, Email, and Mobile Landing Pages to interact with your customers. Map out the customer journey and let consumers flow down your sales funnel automatically. Trigger messages with different channels based on a user's actions or no actions. Want to BOOST YOUR SALES? Easy. Integrate your current forms to Go4Clients and automate your communications in just a few minutes. Go4Clients allows you to automatically pass data to and from other web services without writing a single line of code. DRIPS make omnichannel and automation simple. Just pick your message and choose the most relevant channel for the very right time. Let’s start connecting with customers anywhere in the globe. Go4Clients has worked across many Industries.Starting Price: $50 per month -
14
Userlist
Userlist
Behavior-Based Customer Messaging. Perfect for Your SaaS. Onboard and engage your SaaS users with targeted behavior-based campaigns. Choose the right channel — email or in-app messages — to deliver the right information when your users need it the most. Onboard your users with automated behavior-based campaigns. Deliver the right information at the right time. Trigger automated email campaigns based on what users do (or don’t do) in your product. Choose the right channel for each message: deliver via email or in-app messages. Segment your users based on their behavior. Send one-off broadcasts to make announcements and promote new features. Use built-in campaign templates, so that you never have to start from scratch. View your user profiles in a simple admin dashboard. Add filters or dive straight into user profiles one by one, where you can see all their events and properties.Starting Price: $99 per month -
15
CXONCLOUD
UNLOC Ltd.
CXONCLOUD is a B2B SaaS built to create, manage & measure the end-end customer experience in simple clicks. One solution that offers unlimited customer feedback, booking, loyalty, awards, rewards, referral marketing, email automation and helps businesses deliver a consistent seamless experience on all customer touchpoints. CXONCLOUD not only improves search but also simplifies customer engagement may it be a booking or feedback. It understands customer sentiments, immediately acknowledges customer concerns automatically & alert the impending negative word of mouth. The all-in-one app automatically measures the loyalty factor of customers & has readymade loyalty campaigns to engage customers on email & social media. The inbuilt referral marketing campaigns can help small business get new referrals from existing loyal customers in simple clicks. The loyal customers can be rewarded with promo codes & QR codes with automatic list generations & rewards management modules.Starting Price: $39.00/month -
16
Postmark
ActiveCampaign
ActiveCampaign Postmark is the email delivery service that developers and product teams actually like. Send transactional and marketing emails and get them to the inbox, every time. Postmark maintains one of the best delivery reputations in the industry by routing transactional and promotional messages through parallel but separate sending infrastructure.Starting Price: $10/month for 10,000 emails -
17
Flowmailer
Flowmailer
-- The email engine you can build on -- We're everything that happens under the hood of your email communications. Reliable Email API with endless capabilities & features ready for integration. Flowmailer's Email Engine provides all the tools you need to build a professional email strategy. From marketing to customer support, from account management to warehousing, every email sent is valuable. Where others choose to focus on an email's looks rather than its performance - we opt for solid email deliverability first. Every email that hits the inbox is a valuable moment between you and your customer. Email Engines change the way we send emails. Ready to create the unparalleled email experience your customers deserve?Starting Price: €89 per month -
18
Afterlogic Triton
AfterLogic
There are lots of SaaS email applications such as Mandrill or Brevo. They have different features and pricing. The main disadvantage is that you have to host your inventory at third-party service. With self-hosted solution you have full control over your email ecosystem. Your emails are hardcoded in monolith? Use Triton as your emailing microservice. Split the responsibility and focus on your app, Triton will take care of emails. Sometimes basic functionality is not enough so you can add some custom features. Powered by Laravel, Triton has well-organized and clean code. Extend it yourself or request custom development from us. Use self-hosted SMTP servers or cheap alternatives such as Amazon SES and it will still be cheaper compared to SaaS solutions.Starting Price: $99 one-time payment -
19
Alibaba Cloud Direct Mail
Alibaba Cloud
Direct Mail is a simple and efficient service to send email notifications and batch email quickly and efficiently without the need to build your own email server. Direct Mail is a key product for serving Alibaba's own e-commerce platforms, which includes servicing Alibaba's record-breaking annual sales festival. Tens of millions of emails are sent every day through Direct Mail by Alibaba and Alibaba Cloud customers. Direct Mail guarantees stable and high conversion rates across various mail channels. Emails can be sent with the product console, API interface, and SMTP interface. Outbound mail redundancy is stored on multiple servers and databases to provide stability and scalability. Control mailing frequency with strategic mailing functionality. Includes registration confirmation, order confirmation, password reset, transaction notification, and more. Includes product promotions, journal subscriptions, and more.Starting Price: $1.99 per six months -
20
Maileroo
Maileroo
At Maileroo, we provide a powerful platform for both SMTP relay and email marketing. We ensure fast, reliable email sending with real-time tracking of deliveries, clicks, opens, and bounce rates. With our free Email Verification API, dedicated IPs, and DNS Records for sender authentication, we help reduce bounced emails and improve deliverability. Our email marketing platform makes it easy to create and manage campaigns. You can personalize emails, use our drag-and-drop email templates, form builders, and flexible Contacts API. We provide real-time statistics and in-depth analytics to help you optimize your campaigns and boost engagement. We also offer seamless DNS setup, automation tools, multi-sender identities, and efficient contact management. Whether you're a small business or growing enterprise, Maileroo offers budget-friendly pricing and everything you need to scale your email marketing, making it a smart choice for businesses of all sizes.Starting Price: $10 per month (25,000 emails) -
21
Tarvent
Tarvent
Tarvent makes email marketing and automation easier than ever. We are designed to be the easiest and most intuitive email marketing platform available, offered at a price everyone can afford. Tarvent simplifies advanced automation for marketers at all skill levels, helping businesses automate their processes, with 95% of our customers finding automations invaluable. Customers describe our interface as intuitive and the platform as simple and user-friendly, noting it's a powerful, affordable alternative to others. Our support is second to none, with 99% customer satisfaction, described by users as "great support," "stellar support," and "responsive support". Customers who switched from other platforms found our campaign builder, contact tools, and automation outshine competitors. Choose Tarvent for an intuitive, powerful, and affordable solution for all your email marketing and automation needs.Starting Price: $16/month -
22
Netcore Email API
Netcore
Choose the best email API or SMTP for the most robust email delivery experience. Netcore Email API (formerly known as Pepipost) provides a powerful transactional email delivery infrastructure and AI-powered inboxing which is reliable, scalable, secure and easy-to-use, at the most affordable pricing plans. We help brands to engage with their customers at the right moment with the right content over emails.Starting Price: $25 per month -
23
Sarv Email Marketing
Sarv
Email Marketing can take your business to another level as Email is the currency of web nowadays. Anyone who is online has an active email address. According to statistics, Email Campaign generates $40 ROI for every $1 spent. So why not use Email Marketing for your business to broaden the reach. Sarv Offers Business Email Marketing Service to send the right mail to the right person. Experience how easy it is to create and send a beautiful & personalized mailer with marketing tools like Automation, user-friendly drag and drop editor, advanced segmentation, A/B testing, advanced metrics, reporting, and more for today’s fast-growing business.Starting Price: $7.50 per user per month -
24
iPost
iPost
Finally, an email platform that is built for marketers by marketers. The easiest, most flexible, and dynamic marketing automation solution for your email and mobile needs. Tired of legacy platforms that are too expensive, too hard to learn, or that you’ve outgrown? You’re not alone. iPost has the tools you need. Plus the platform is easy to learn and flexible enough to adapt as you grow. The iPost email platform was built to fit the needs of today’s marketers with the scalability and features needed to grow with marketers of the future. iPost brings powerful features to email marketing with technology that is responsive, flexible, and easy to use. Real-time data to fuel audience discovery, targeting, and personalization. Intuitive reporting, from campaign, trends, to funnel and conversion tracking. Drag and drop personalization, dynamic content, and code-free design tool. Check why iPost is a recognized as a leader in The Relevancy Ring 2019 Enterprise ESP Buyers Guide. -
25
Related Marketing Cloud
Related Digital
Related Marketing Cloud (RMC) is a personalization and marketing automation tool for data-driven Omni-channel marketing. One-to-one consumer relationships powered by all in one platform to drive higher revenue, improve customer lifetime value, grow audience, and boost performance. We are proud to provide you the following services: Customer Data Platform, Email Marketing, Mobile Marketing, Web Targeting, Product Recommendation, Customer Journey Manager. Related Digital serves more than 1500 clients of all sizes across various industries - including brands like Estee Lauder, Delivery Hero, Ebay, Wolksvagen, Victoria's Secret, Carter's, Aviva, IKEA, Marks&Spencer, Turkcell, Starbucks, Beymen, Audi, Gap, BBVA, Turkish Airlines, Siemens. We are proud to support our clients internationally from our offices in London, Hamburg, Berlin, Dubai and Istanbul. -
26
TeleSign
TeleSign
Deliver timely, personalized information through global SMS/RCS and voice cloud communications. Gain a deeper understanding of your customers from actionable global phone number and subscriber data intelligence. Code once and message your customers at scale using TeleSign’s Messaging API - complete with waterfall delivery between channels. TeleSign Messaging API includes SMS, RCS, and WhatsApp to help you build secure digital communications that connect you with your customers anywhere in the world. Integrate a single Messaging API and start sending reliable, secure SMS, RCS and WhatsApp messages to your customers today. Choose one or all three channels to broaden your programmable messaging strategy and expand your audience. Reach more customers with 120+ optimized points-of-presence and 700+ direct-to-carrier routes. -
27
EmailDelivery.com
EmailDelivery.com
The easiest email marketing platform you've ever used. Clean intuitive user interface that doesn't make you "hunt" to figure out what you can do. Simple straightforward email automations. The next step is always right in front of you, no need to pore over documentation, video explainers, or train your team. Send a broadcast to multiple contact lists, dynamic segments, and groups of tagged contacts simultaneously. Personalize using any contact property in your database along side engagement, interests, behavior, and more. Trigger contacts who engage with your broadcasts into funnels of automated email sequences. Design gorgeous responsive emails with our intuitive drag & drop composer. Choose WYSIWYG for minimalism or raw HTML for pixel perfection. Realtime engagement Tagging for opens, clicks, and messages received. Suppress segments, Tags, and upload suppression lists to fine tune your audience.Starting Price: $35 per month -
28
CrowdPower
CrowdPower
Grow your business with targeted customer engagement. Track key customer actions and deliver tailored communications to drive sales and increase engagement. Grow your business with targeted customer engagement. Track key customer actions and deliver tailored communications to drive sales and increase engagement. Advanced Segmentation. Create customer lists based on who they are, where they are, and what they do (or didn’t do) to send targeted messages at the right time. Simple Execution. Powerful Results. Add CrowdPower to your website with just a few lines of code and start delivering tailored communications to drive sales. If your organization is using Segment to install third party integrations, you can start using CrowdPower instantly by turning on the integration in Segment’s console.Starting Price: $48 per month -
29
Aritic Mail
Aritic
Deliver emails on time to the public & business mailboxes. Monitor the email-sending operations of your organization through real-time domain & IP monitoring. With our API, start sending transactional email notifications within minutes. Through robust cloud API and webhook, process inbound emails, track clicks, and handle operations effectively. Aritic Mail delivers transactional emails to your customers on time, always with high email delivery speed. Trust Aritic Mail to deliver transactional emails instantly with zero-lag in email delivery speed and inbox placement. Cloud-based Aritic Mail email server makes email delivery possible instantly, along with constant email delivery monitoring. Leverage Aritic Mail API, built for almost all programming languages, to seamlessly use with any stack. Deliver all of your organization emails through Aritic Mail and manage your email sending reputation. -
30
Mailchimp Transactional Email (Mandrill)
Mailchimp
Transactional emails: Reach inboxes when it matters most. Deliver fast, personalized transactional emails using API or SMTP. Get the benefits of our experience sending billions of emails globally. Send personalized transactional emails that reach inboxes, not spam folders. Customize your analytics with pre-built dashboards, export API, and more. Read documentation guides, or contact our award-winning Support team for help. Use custom tagging, whitelabeling, conditional content, and more. Globally distributed infrastructure: Featuring automatic SPAM loop registration and pre-warmed dedicated IPs. Get analytics in multiple ways, plus custom tags, A/B test capabilities, and comparative reports. Utilize white-labelled click tracking, custom reverse DNS, rules engine, custom return path, and sub-accounts. That’s the average time to delivery for top 3 ISPs, sent from our MTAs to the recipient’s email server.