Best Email APIs for Microsoft Outlook

Find and compare the best Email APIs for Microsoft Outlook in 2025

Use the comparison tool below to compare the top Email APIs for Microsoft Outlook on the market. You can filter results by user reviews, pricing, features, platform, region, support options, integrations, and more.

  • 1
    Reply Reviews

    Reply

    Reply

    $49/user/month
    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.
  • 2
    Netcore Email API Reviews

    Netcore Email API

    Netcore

    $25 per month
    Choose the best email SMTP or API for the most robust delivery experience. Netcore Email API, formerly known as Pepipost, provides a powerful transactional inboxing and AI-powered email delivery infrastructure that is reliable, scalable and secure, and at the most affordable price plans. We help brands engage with their customers with the right content at the right time via emails.
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