Compare the Top Email APIs that integrate with HubSpot CRM as of August 2025

This a list of Email APIs that integrate with HubSpot CRM. Use the filters on the left to add additional filters for products that have integrations with HubSpot CRM. View the products that work with HubSpot CRM in the table below.

What are Email APIs for HubSpot CRM?

Email APIs allow users to incorporate functionality related to email into their applications. Generally, users can send automated email messages, fetch user data from emails, and store user actions with an API. These APIs are often easy to set up and integrate into a client's application. They also provide a secure layer of encryption between the email server and the application. Compare and read user reviews of the best Email APIs for HubSpot CRM currently available using the table below. This list is updated regularly.

  • 1
    Brevo

    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!
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    Starting Price: €25 per month
  • 2
    SendGrid

    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
  • 3
    Mailmodo

    Mailmodo

    Mailmodo

    Mailmodo is a complete email marketing solution enabling users to create and send app-like interactive emails to improve email conversions. As all interactions happen inside the email, this eliminates user redirections for a smoother email experience and higher conversions. Mailmodo's email marketing solution also includes features like: -email automation -user journey creation -auto-trigger schedule, and -API integration within the email content. It provides users with a coding-free, drag-n-drop email editor along with a rich collection of AMP Email templates for all popular use cases. It can be integrated with several marketing tools and CRMs like HubSpot, WebHooks, and Calendly. Mailmodo's mission is to simplify email marketing and maximize conversions for businesses. At present, Mailmodo is helping its growing clientele to get 3x email conversions and provide a unique email experience to its users.
    Starting Price: $49 per month
  • 4
    Benchmark Email
    We know time is your most precious resource. You shouldn't have to waste it fussing with complicated email platforms. Benchmark Email makes the tools you need simple, so you can get back to building relationships, accelerating your business and raising the bar. More efficiently leverage your most valuable marketing assets: your growing audience. Try out Benchmark for free to discover how simple effective email marketing can be. Benchmark has a suite of tools designed to keep up with your drive, including contact management. Take full advantage of Benchmark’s capabilities by upgrading to Pro and see just how much using the right tools can impact your company’s growth. Emails are mobile responsive, easily branded, and ready to delight subscribers in the inbox. Build your subscriber list with forms, pop-ups and landing pages. Easily add contacts to Benchmark Email from your favorite platforms. Connect with more subscribers every month to grow sales.
    Starting Price: $9.95 per month
  • 5
    Reply

    Reply

    Reply

    Reply.io is an AI-driven sales engagement platform that automates cold outreach through unlimited mailboxes, converts website traffic into booked meetings with AI Chat, and empowers your team to streamline the entire sales process with AI SDRs—from building verified lead lists to crafting personalized sequences and responses. Trusted by over 3,000 businesses and recognized as one of the Top 50 Sales Products for 2024 by G2, Reply offers: - Cold Outreach Tools: Engage prospects through emails, LinkedIn, WhatsApp, SMS, calls, and more - all combined in dynamic, conditional sequences. - AI SDR Agents: Automate outreach to book more meetings. - Reply AI Chat: Capture website visitors and convert them into leads with AI-driven chat and video avatars. - Email Deliverability Suite: Maintain high deliverability rates with email health features and Mailtoaster.ai. - Agency Growth Hub: Tailored solutions for sales and lead generation agencies, including custom integrations, an ag
    Starting Price: $49/user/month
  • 6
    Authkey

    Authkey

    Authkey.io

    Authkey is a multi-channel CPaaS platform providing SMS API, WhatsApp Business API, Voice API, Email API, and Google RCS. It helps businesses send notifications, promotional messages, transactional messages, OTPs, 2FA, and more. Designed for responsiveness and ease of use, Authkey allows you to start without adding any credit cards. Authkey offers a free sandbox account for building, testing, and deploying. It supports easy-to-integrate APIs for all channels and over 1,000 automation options via Zapier, Pabbly, Integrately, and other partners. You can easily push bulk campaigns through all channels. WhatsApp Chatbot for intelligent customer query responses. Join over 200 active businesses working with us and grow together.
    Starting Price: $0
  • 7
    Tarvent

    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
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