SendGrid
3.9 out of 5 stars
(8 Ratings)
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.
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Klaviyo
4.5 out of 5 stars
(8 Ratings)
Klaviyo is the AI-first B2C CRM platform that helps you grow by integrating marketing, analytics, and customer service in one solution. Powered by unified data and built-in AI, it's faster and easier than ever to create personalized, lasting customer relationships.
Klaviyo unifies your customer profiles by capturing every event, and then lets you orchestrate your email marketing, SMS marketing, push notifications, WhatsApp, and RCS campaigns in one place. Built-in AI agents plan and launch campaigns, personalize every send, answer questions, and resolve issues. With real-time attribution and insights, you'll be able to make smarter, faster decisions that drive ROI.
Trusted by more than 170,000 businesses, Klaviyo can grow your business while keeping operations simple and customer relationships strong
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Omnisend
5.0 out of 5 stars
(8 Ratings)
Email & SMS marketing so good, it's boring. Omnisend is built for busy shop owners who have enough adventure in their ecommerce business already: one-click integration with the major ecommerce platforms, pre-made automations and templates, built-in AI on every plan, and award-winning 24/7 support in six languages. Connect ChatGPT or Claude to your account with Omnisend MCP and work from the chat instead. Switching? We move every list, flow, and template in five days, free. Join 150,000+ brands and see how refreshingly boring your marketing can be.
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Stripo.email
5.0 out of 5 stars
(6 Ratings)
Stripo is an all-in-one email builder with over 1,700,000 users worldwide. We enable our clients to build emails of any complexity really fast — cutting production time by at least 3.7× — and push them to their marketing automation system with just one click. Integrated with 90+ ESPs/CRMs, including Mailchimp, HubSpot, Salesforce, Campaign Monitor, Constant Contact, Braze, SendGrid, eSputnik, Outlook, Gmail, etc.
1,700+ ready-to-use templates, modular email design, Email Translate Service, and built-in AI covering the full creative cycle — from campaign creation to copy, subject lines, images, and interactive widgets. A number of embedded micro-tools give you everything you need for emails, from photo editors to banner generators, from timers to interactivity and real-time content.
We are one of the first builders to implement the AMP4Email technology. Multiple studies show that AMP increases conversion by 5 times. With Stripo, you can build real-time content for your emails with
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