Dev tools · alternatives · 2026
24 alternatives to Structure Pie
Email API for Developers
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
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2024 · mailhub.sh · its alternatives →
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Quartz▲270AI email client built for focus. Runs locally on your Mac
Jun 2026 · quartzmail.ai · its alternatives →
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Resend▲1,325An entire collection of pre-built components with a much faster development experience.
2023 · resend.com · its alternatives →
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Waypoint▲138Build and send data-rich emails, faster than ever
2023 · usewaypoint.com · its alternatives →
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Talanoa▲346Hi HN, I’m a fullstack developer, and honestly, I’ve lost count of how many side projects I’ve worked on over the years. But one idea kept coming back to me: a different kind of email client. It first came to me in 2014: “What if we could handle emails more like conversations?” Every year, I’d revisit this concept in my “Build Notes.” Ten years later, no one had built exactly what I had in mind — so I finally decided to do it myself. That’s how Talanoa was born. I wanted something focused on people, not timelines. I was tired of marking messages as unread just to remember to reply later, or…
22d ago · talanoa.email · its alternatives →
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Base API▲277API for authentication, email sending, images and more!
2019 · base-api.io · its alternatives →
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APIs to send automated interactive emails with forms
2021 · mailmodo.com · its alternatives →
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1,000+ Emails per Second with 99%+ Deliverability
Mar 2026 · mailercloud.com · its alternatives →
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Write emails faster with Smart Compose in Gmail
2018 · blog.google · its alternatives →
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- 13BA
Simple API for authentication, email sending, image storage and more.
2019 · base-api.io · its alternatives →
- 14OS
Hi HN! We’re Aleem, Chris, Borys, Meichen and Zach from Streak (YC S11) and today we’re open sourcing our InboxSDK https://www.inboxsdk.com, which makes it easy to build apps for Gmail. Over 1.8B users spend their days in Gmail! Having your app built into the Gmail workflow is a better user experience and gives you great user retention. InboxSDK gives you a high-level, declarative API to insert your UI into Gmail without having to directly manipulate the DOM yourself. End users install a browser extension to use your app. The SDK can add UI to multiple areas of Gmail. For example,…
2022 · its alternatives →
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Newton Mail▲161Email app designed to supercharge business communication
2019 · newtonhq.com · its alternatives →
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Loop Email▲257Emailing for teams: Organize your Inbox into channels 💌
2018 · intheloop.io · its alternatives →
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Waypoint▲103A refreshingly simple way to send data-rich emails
2023 · usewaypoint.com · its alternatives →
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Helo▲103An independent email API from former Postmark folks
23d ago · helohq.com · its alternatives →
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MailCue▲82Run as a fully hardened production email server.
Apr 2026 · olib-ai.github.io · its alternatives →
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Enveloop▲94Email template builder & email/sms sending for developers
2024 · enveloop.com · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →