Best Email APIs with a Free Trial of 2024

Partner with the email service trusted by developers and marketers for time-savings, scalability, and delivery expertise. The Twilio SendGrid 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. Whether you’re sending 100 emails or 100 billion, SendGrid is built to scale, while maximizing inbox placement and protecting your reputation as a trusted sender. Monitor engagement data and optimize deliverability with our Deliverability Insights dashboard. Integrate with our RESTful APIs and SMTP in minutes, with sample code libraries available in 7 languages, interactive docs, templates, and more.

Email solution for fast-moving teams. We understand how difficult it can be to find an affordable, reliable email service. Mailjet is the ideal solution for you. Our advanced features will help you grow your company at a very affordable price. Passport, our email editor, allows you to create beautiful responsive emails in just a few mouse clicks. You can choose from a variety of templates, or create your own design. Mailjet's Collaboration Toolkit allows you to collaborate on the same campaign or email template in real-time to improve your team's efficiency. You can drastically reduce the feedback cycle by using commenting and approval workflow features to speed up. To send the right content to the right customers, personalize each email by segmenting your contact list and collecting customer data. It's easy for each recipient to feel special. You can optimize the performance of your campaign by integrating real-time statistics with every sending.

Multi-channel marketing automation platform that allows marketers to create personalized promotional campaigns. You can choose from SMS, email, or web push notification. Or you can combine multiple channels into one campaign to create a complex message sequence. The platform offers all the tools necessary to automate email marketing. You can also create subscription forms and grow your mailing list. Drag and drop is intuitive and allows users to create mobile-friendly email templates. Or, they can choose from a large gallery of predesigned templates. The company also offers a transactional email service, which allows users to send up 12000 emails for free via SMTP and API. SendPulse offers its own chatbot creator. You can create a Telegram chatbot or a Facebook Messenger chatbot to send personalized messages or as an autoresponder.

SendX is an intuitive, affordable and feature-rich email marketing software for marketers and business owners. SendX prides its self on providing marketers with the most intuitive UIs in industry. SendX offers unlimited email sends with all plans, powerful automation capabilities and 24x7 live support. They also offer the best email delivery. SendX is trusted by more than 3000 companies around the world for their Email Marketing. Pricing: Start with a 14-day free trial (no need to have a credit card). Pricing starting at $9.99/month Key Features & Benefits: Send Unlimited Email Campaigns - Create Your Email List using forms and pop-ups - Powerful Automation Software - Drag and Drop Email Editor (no programming required) - Best of Breed Email Deliveryability (get your emails delivered to the primary inbox). - Free Migration Service: We will migrate your email marketing accounts from any ESP to you for no charge 14-day Free Trial (no credit card needed, instant setup).

Elastic Email is used by thousands of companies. A powerful Email Marketing platform built on the most cost-effective Email Protocol. Scalability, reliability, and deliverability are important. Connect to our HTTP API or SMTP relay to send your email. You can also scale up to 100+ million emails per monthly on our global infrastructure. Every campaign you send will help you build better relationships with your recipients. Elastic Email offers all the marketing tools that you need to make your contacts feel connected. It is important to deliver on time, be reliable, and scale up. Our global infrastructure is ultra-fast and allows you to connect and send email easily via our HTTP API and SMTP relay. You can also scale up to 100+ million messages per month.

Brevo (formerly Sendinblue), the platform that helps build customer relationships through Email, SMS, Chat and more. The complete toolkit for converting one-time browsers to long-term customers. Beautifully designed email campaigns allow you to connect with contacts in their inbox. Send targeted messages to your customers. Brevo helps businesses build and grow relationships by automating marketing campaigns, transactional email and SMS messages. What makes Brevo different? Brevo is powered our world-class team of customer happiness experts and we offer pricing that will make you smile. Our platform offers a comprehensive suite of services in a single, easy-to-use solution. Happy Sending!

Important information is contained in transactional emails. ZeptoMail is a reliable, secure service that delivers all of these important emails immediately. ZeptoMail makes it easy to keep your customers happy with its fast delivery and excellent inbox placement. Transactional emails are unique emails that can be triggered by a user action. Your customers expect these emails to arrive in their inbox within seconds of the trigger event. Choose the right delivery service to keep your customers satisfied. Your customers will no longer need to refresh their inbox for password reset emails or email verification codes. Email delivery is dependent on the reputation of the sender IP. ZeptoMail was created to address the challenges of sending transactional email. Delivery is excellent. It is important to deliver the correct folder. ZeptoMail supports industry standard authentication mechanisms like DKIM and SPF.

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. TurboSMTP offers webhook integrations and automates actions based on email events, streamlining your workflow. Plus, our email validation tools ensure list accuracy, reducing bounce rates and improving deliverability. TurboSMTP not only prioritizes the reliability and efficiency of email delivery but also understands the importance of providing exceptional support to our valued customers. That's why we offer multilingual 24/7 support.

We understand that time is your most valuable resource. It shouldn't be wasted on complicated email platforms. Benchmark Email makes it easy to access the tools you need so you can focus on building relationships, growing your business, and raising the bar. Your growing audience is your most valuable marketing asset. Use it more efficiently. Benchmark is free to try and discover how easy it can be to do effective email marketing. Benchmark offers a range of tools that will help you keep up with your drive, such as contact management. Benchmark Pro is the best upgrade to take full advantage of its capabilities. You'll be amazed at how much your company can benefit from the right tools.

Mailgun is an email automation tool that is suitable to developers. Mailgun allows users to access a cloud-based email service that can track, send, and receive emails via their websites and applications. Mailgun supports many programming languages, including Python, Ruby and PHP. Mailgun's tracking feature allows users to track all emails and reduce spam.

Reply.io is an AI-powered sales engagement platform that streamlines cold outreach with multiple mailboxes, turns website visitors into booked meetings with AI Chat, and optimizes your sales process with AI SDRs—covering everything from building lead lists to creating personalized sequences. Trusted by over 3,000 businesses and recognized among G2’s Top 50 Sales Products for 2024, Reply offers: - Cold Outreach Tools: Connect with prospects via emails, LinkedIn, WhatsApp, SMS, calls, and more - all combined in dynamic, conditional branch sequences. - AI SDR Agents: Automate sales outreach to increase meeting bookings. - Reply AI Chat: Engage website visitors and convert them into leads with AI-driven chat and video avatars. - Email Deliverability Suite: Ensure high email deliverability rates with comprehensive email health tools and Mailtoaster.ai. - Agency Growth Hub: Custom solutions for sales and lead generation agencies, featuring integrations, an agency dashboard, and a sales experts marketplace. Reply.io is ideal for small businesses, medium businesses, startups, agencies, and enterprises alike.

EmailLabs is a cloud-based email API and SMTP service designed to send transactional and marketing emails. The unique know-how and partnership between well-know Inbox Service Providers ensure all emails sent from our servers being tailored to the requirements of foreign providers like: Gmail, Yahoo or Hotmail as well as local ISPs such as WP.pl, Onet.pl, Seznam.cz, Web.de, Seznam.cz or Libero.it. We take care of overall deliverability to make sure your messages land in customers’ inboxes, promotions or Offers tab. EmailLabs platform can be easily integrated with any email system or application that allows you to add a third party SMTP server. The whole setup process takes only 5 minutes.

Cloud-based platform offering SMS marketing software. It enables businesses to connect, engage and grow customers using a cloud-based portfolio of services including SMS, RCS, Voice, Email, WhatsApp, and Google Verified SMS. It provides solutions to over 400+ enterprises and expands its portfolio to simplify engagement and increase conversions. We enable businesses to connect, engage and grow customers using cloud-based portfolio of services with agile marketing automation solutions. It also provides a marketing automation tool that automates data ingestion, content creation, customer journeys, campaign triggering, and real-time reports.

Authkey.io stands as an exceptional Enterprise Omni Channel API platform, offering an extensive suite of communication tools and APIs meticulously designed to empower businesses in their quest for efficient and secure customer engagement. SMS API:A seamless communication symphony with its event-based messaging prowess. This facet encompasses the seamless orchestration of Bulk SMS delivery, transactional messages, one-time passwords (OTP), and the authentication process through call-based interfaces. Voice API: This dynamic capability ensures the delivery of OTPs through vocal messages, providing an alternative avenue that ensures the recipient's prompt access. Email API: Reliable and rapid delivery of emails, serving critical functions such as password verification, account creation, OTP distribution, and email validation. WhatsApp Business API: The contemporary business landscape requires a direct conduit to reach the massive audience on the WhatsApp API facilitate this engagement, enabling businesses to establish a direct line of communication with their audience. Two-Factor Authentication (2FA) API: Seamlessly dispatching OTPs, verifying logins, and bolstering the security architecture of business software, CRM systems.

Reliable delivery of your application emails. ActiveCampaign Postmark delivers your email on time and every time to customers. Customers expect transactional emails to arrive promptly, not later. We monitor our delivery times and share the data with the public. Our knowledgeable support team is always available to assist you, via 1-on-1 calls, webinars or email. Postmark integrates seamlessly into any stack thanks to its API libraries that support almost every programming language.

-- 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. Flowmailer is built for continuous high-performance, no matter the emails you're sending. Take away the difficulties of email delivery and focus on creating meaningful email communications with your customers. Email Delivery | SMTP & API | Infrastructure | Transactional Email

Track delivery, clicks and bounce rates in real-time. Welcome to the lightning-fast delivery of transactional emails. Create beautiful, responsive emails with our drag-and drop email template builder in minutes. Supercharge your emailing abilities with our fully-warm-up dedicated IP address. Receive real-time notifications regarding email events. Use our webhooks for tracking email delivery, bounces and more. Get detailed, real-time reports on emails sent and opened. Using valuable insights, you can enhance your user's experience. Manage bounced emails with ease while ensuring that recipients who received the emails are not contacted again. Use our email API or the traditional SMTP to send emails via HTTP requests. Our email API integrates seamlessly with your website or app to ensure that your emails are delivered directly to your inbox.

For the most reliable email delivery experience, choose the best email API or the best SMTP. Pepipost offers a robust transactional email delivery infrastructure with AI-powered inboxing that is reliable, scalable and secure. It also offers the most affordable pricing plans. We help brands engage with customers at the right time with the right content, over email.

MailThis.to offers a simple API that is easy to remember and doesn't require extensive documentation. It's easy to remember and search for the details. You can build your first form in minutes and keep it safe. Spam Filtering and Form customization are all supported. The first 250 emails are completely free. After that, $5 per thousand emails. To protect your email address from being exposed to the rest of the world, create an alias. You can create a form using HTML or a form builder. Javascript can also be used to generate POST requests that land on your inbox. You'll receive an email each time your form has been submitted. To prevent spam, each visitor will need to verify their first submission. MailThis.to allows you to send up to 250 emails, without having to sign up. MailThis.to was established in 2014 and has served thousands of users. It offers a simple form to send emails via an API. We are eager to handle your mail!

With over 700 direct carrier connections and 60+ offices on 6 continents, Infobip is a global leader in omnichannel communication. We make it our business to simplify how brands connect with, engage and delight their customers at global scale. Our programmable communications platform delivers a suite of tools for advanced customer engagement and support, plus security and authentication. We make this available to you across the widest range of communication channels possible. THE INFOBIP ADVANTAGE (1) Personalized omnichannel customer connections Achieve deeper customer engagement across the widest selection of local and global channels, including: SMS, RCS, WhatsApp, voice, video, email and the most popular chat apps. (2) Global reach, local presence Our 60+ offices around the world allow us to react faster. We provide 24/7 customer support, technical solutions in-line with needs and local requirements — based on proven best practices. (3) Full stack customer engagement Deliver better outcomes for your business by enhancing your communications with fully integrated contact center, marketing automation, and chatbot building solutions informed by our customer data platform.

YCloud is an all-in one solution that offers best-in class features at highly competitive pricing. Provide critical communications infrastructure to support businesses' growth and expansion. Web-based solution for scheduling messages with ease and freedom. No code required to create personalized marketing campaigns that grab attention and delight customers. No code required. Connect with thousands of apps to automate and save time. Two-way messaging is supported. A continuous connection with SMSC is maintained. Multiple session connectivity and greater throughput are guaranteed. Multi-factor authentication via SMS voice, WhatsApp, email, and WhatsApp. Keep your data safe and prevent revenue leakage, data breaches, fraud and other threats. Two-way messaging is supported. SMSC can maintain a continuous connection. This will guarantee multiple session connectivity and greater throughput. To automate your work, connect with thousands of apps and have more time to do what is most important.

Transactional emails: Reach your inbox when it matters most Send personalized, fast transactional emails via API or SMTP. Enjoy the benefits of our global experience sending billions upon billions of emails. Personalized transactional emails are sent to inboxes and not to spam folders. You can customize your analytics with pre-built dashboards and an export API. For assistance, consult our award-winning Support team or read the documentation guides. Use custom tagging and whitelabeling to create conditional content. Globally distributed infrastructure: Automatic SPAM loop registration and prewarmed dedicated IPs. Analytics can be accessed in many ways, including custom tags, A/B testing capabilities and comparative reports. White-labeled click tracking, custom reverse DNS and rules engine are available. Custom return path is also available. This is the average delivery time for top 3 ISPs. It was sent from our MTAs and to the recipient's mail server.