Resend.com is described as 'Build, test, and send transactional emails at scale. Resend provides the best developer experience helping you reach users instead of spam folders' and is an app in the development category. There are more than 50 alternatives to Resend.com for a variety of platforms, including Web-based, SaaS, Self-Hosted, iPhone and Android apps. The best Resend.com alternative is Mailchimp, which is free. Other great apps like Resend.com are Listmonk, HubSpot, Brevo and GetResponse.
Shootmail is a template-first email platform with scheduling and advanced analytics, made for developers. Developers can select from a growing list of templates and send mails by using Shootmail’s SDK. It is easy to customise the templates using JSON configuration.
Developer-first email with full EU data hosting. Send, receive, and reply to email via REST API. Named inboxes, thread grouping, real-time webhooks, and AI agent integration.
The main purpose of Maileroo is to provide a transactional email service with real-time analytics and reporting, focusing on high deliverability and performance tracking of emails.
AI agents send email without knowing what was already sent. They ignore bounces, skip cooldowns, and blast the same contact three times in an hour. One bad loop and your domain reputation is gone.
Lettr is the Email API for modern builders — design beautiful templates, send with confidence, monitor everything in real time, and stay deliverable. Built for teams and ready for vibe-coding.
Email API for platforms whose users, tenants, and AI agents send email, with per-sender isolation so one bad sender does not take down the whole account.
OpenMail gives AI agents their own email address - and everything that comes with it. Send a message, wait for a reply, act on what comes back. No human relay, no custom infrastructure. Just agents that can communicate with the world the same way people do.
Building a CRM, helpdesk, invoicing tool, or anything that sends email as your customers? Ark is the email platform built specifically for that. Integrate once, manage every customer domain from one place, and get back to building your actual product.
The cost-efficient SMTP server provider for all your email marketing needs that ensures optimal and fast email delivery by reaching email directly into your customer’s inbox.
Omnivery is a security-first transactional and marketing email platform. It provides an SMTP relay and a REST API that is natively compatible with the SendGrid, Mailgun, and SparkPost APIs, so most integrations can migrate with little or no code change.
Streamline your outreach with Liberation Tek's Campaign Email Marketing. Design, automate, and optimize email campaigns to boost engagement and drive results effortlessly.
PostStack is a developer-first transactional email API for European teams. Send via REST or SMTP, host IMAP/POP3 mailboxes on your own domains, and run broadcasts — all from EU infrastructure with transparent pricing from €5/mo.
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