Best Free Email APIs 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.

Mailmodo is an email marketing platform that allows users to create and send interactive emails in the app-like style to increase email conversions. This eliminates the need for user redirections and allows users to have a smoother experience with their email. Mailmodo's email marketing software also includes: -email automation -user journey creation -Auto-trigger Schedule, and Integration of -API within the email content It offers users a drag-and-drop, code-free email editor and a rich collection AMP Email templates to suit all use cases. It can be integrated into many marketing tools and CRMs such as HubSpot, WebHooks and Calendly. Mailmodo's mission aims to simplify email marketing and increase conversions for businesses. Mailmodo helps its growing clientele get 3x more email conversions and provides a unique email experience for its users.

Bird (formerly MessageBird), the next-generation CRM, is a powerful tool for marketing, sales, and payments. It powers over 5 trillion messages per year across Email, WhatsApp, and SMS. Bird helps leading brands grow more cost-efficiently through personalized interactions via Email, SMS, or WhatsApp. Bird's APIs and applications are used by the most innovative companies in the world to build communication solutions. Start today and communicate with your customers on any channel, for any purpose, anywhere in the globe. Marketing messages, push notification, order updates, shipping alerts, and more. Operational bottlenecks limiting your growth? Automated conversations and workflows can be used to collect critical information, reduce manual tasks, implement Self-Service flows, and route chats directly to the right agent. Our auto-scaling, reliable APIs are available with comprehensive documentation, complete API references, and intuitive SDKs.

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!

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 is the AI-first sales engagement platform that helps SDR teams find new prospects, engage them through multiple channels, and create new opportunities at scale while keeping every touchpoint personal. Powered by cutting-edge AI technologies, Reply handles some of the most time-consuming tasks on your behalf: - Generate unique emails from scratch - Optimize your existing templates - Craft multichannel outreach sequences - Sort emails by intent to pinpoint the hottest leads - Handle incoming emails – from booking calls to handling objections From building targeted prospect lists with our own free database of 140+ million contacts to booking calls right through the platform – Reply has everything you need to crush your sales quota and book more meetings. This allows you to streamline your sales process, saving up to 40% of your SDR team’s time. One of the Top 50 Sales Products for 2023 on G2, Reply is recognized for its market-leading customer success/support services and trusted by over 2,500 companies – SMBs, mid-market, and sales agencies – in the US, Canada, and Europe.

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.

MailerSend is a transactional messaging service designed for developers to work faster and smarter. Intuitively designed so anyone can contribute to transactional email and SMS, while powerful infrastructure and flexible payment plans let you scale quickly. Built by deliverability experts to ensure your messages get delivered, plus dedicated IPs available for high-volume senders.

Sweego is a multichannel notifications SAAS platform. Developers can send transactional, engagement, and CRM messages via various channels, including email, SMS, push notifications, and more. The platform offers APIs, webhook and web interface for building template, follow statistics. With Sweego'API, Developers can integrate notifications and messaging capabilities into their applications. Key features include message templates, email authentication, webhooks, sandbox testing, delivrability expertise for emails, scalability, detailed logs, comprehensive statistics...

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.

Amazon Simple Email Service (SES), a cost-effective, flexible and scalable email service, allows developers to send mail from any application. Amazon SES can be configured quickly to support multiple email use cases including marketing, transactional, and mass mail communications. Amazon SES's flexibility in IP deployment and email authentication options allow for greater deliverability and protect sender reputation. Additionally, sending analytics measure the impact of each individual email. Amazon SES allows you to send secure, global, and scaled email. You can easily configure email sending using either the Amazon SES console or APIs. Amazon SES also supports email receipt, which allows you to interact with customers at scale. Amazon SES is a subscription service that allows you to pay only for what you use, regardless of the use case or volume of your messages.

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.

Capture SMTP traffic in staging and dev environments. Flexible API allows you to automate test scenarios and flow. Validate HTML/CSS and analyze email content for spam scores. Each Mailtrap account comes equipped with a unique testing environment. It takes just a few steps to integrate it with your app. You can create individual inboxes to support different environments, review servers, and then group them into the appropriate projects. Our API is easy to use and allows you to quickly set up automated testing using unlimited API calls. View messages, check spam scores and validate headers. You can also analyze the HTML support across all email clients. Access your inboxes to clients or colleagues. Send selected test email to whitelisted recipients. Mailtrap can be sent directly from your CRM or email send service. Simulate sending emails to multiple recipients.

We are a group of engineers who enjoy building tools for other developers. Our goal is to build the email platform that we've always wanted -- one that works. Receive real-time notifications straight to your server. Each time an email is opened, delivered, bounced or a link clicked. Our API allows you to experiment and simulate events without the risk of accidentally sending emails to real people. Simulate events and test our API without risking accidentally sending real emails. Rely on a platform with reputable IPs that are used by trusted senders who have distributed workloads over different IP pools. Get a fully-managed dedicated IP that autoscales and warms up based on the volume of your sending, without any waiting period. Get a fully-managed dedicated IP that warms up and autoscales according to your sending volume.

Billions of people. Trillions of connections. One API. The Nylas APIs are powering applications with email, calendar and contacts that sync from any inbox around the globe. Nylas is the only company that provides an API for all email, calendar and contacts integrations. Contact records can be updated with missing information. A connection graph can make intros more warm. To create a single data source, combine data from each address book.

Mail360 is a platform for email APIs that allows you to create your application without having to build the email functionality yourself. A single email API can power the email workflow of your application, whether you connect to an inbox hosted by another email provider or your user's mailbox. Real-time, secure and reliable email sync between multiple email providers. With a single set of email APIs, you can send and receive emails anywhere. Universal email API allows you to build email workflows in your application however you like. Connect your application to more than just other email providers. Integrate your application's mailbox with your workflow and host it on your own server.