Dev tools · alternatives · 2026
24 alternatives to IMAP API
Headless email client to access email accounts via REST API
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. IMAP API launched in 2021; newer entries below may have overtaken it.
- 1IA
2020 · imapapi.com · its alternatives →
- 2
EmailEngine▲165Access any email account to receive/send emails with an API
2021 · emailengine.app · its alternatives →
- 3
Gmail API▲170Flexible, RESTful access to the user's inbox
2014 · developers.google.com · its alternatives →
- 4
Access predefined IMAP mailboxes with a browser using one time passwords or a YubiKey - dividuum/one-time-mail
2016 · github.com · its alternatives →
- 5
Mailcheap▲123Email hosting, dedicated email servers, API-first platform
2018 · mailcheap.co · its alternatives →
- 6
Develop APIs fast + automatically detect endpoints
2025 · fastrequest.apidog.com · its alternatives →
- 7
inbound ▲227Hey HN! I've been working on Inbound (inbound.new) - an email system that lets you programmatically manage email addresses and route them to AI agents, webhooks, or forward them anywhere. The core idea: instead of manually managing email addresses, you create them on-demand via API and route incoming emails to your AI agents or other automated systems. For AI Agents: Create [email protected] and emails get sent to your AI agent as webhooks. Your agent can reply using our SDK. Perfect for AI customer support or automated responses. For Email Forwarding: Set up [email protected] to…
2025 · inbound.new · its alternatives →
- 8
:inbox_tray: IMAP based message broker client. Contribute to mikaa123/imapmq development by creating an account on GitHub.
2016 · github.com · its alternatives →
- 9
InboxSDK▲508First usable API to write Gmail Apps for 1B active users
2015 · inboxsdk.com · its alternatives →
- 10
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Base API▲277API for authentication, email sending, images and more!
2019 · base-api.io · its alternatives →
- 12
Powerful extensions on top of your mailbox. Contribute to aakashlpin/emailapi development by creating an account on GitHub.
2020 · github.com · its alternatives →
- 13
A super simple CLI for sending emails. Contribute to chris104957/maildown development by creating an account on GitHub.
2019 · github.com · its alternatives →
- 14MS
2020 · maildown.dev · its alternatives →
- 15
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Nylas CLI▲83Email, calendar, and contacts for AI agents
May 2026 · cli.nylas.com · its alternatives →
- 19
Gmail JavaScript API. Contribute to KartikTalwar/gmail.js development by creating an account on GitHub.
2013 · github.com · its alternatives →
- 20
Everything you need to start sending newsletters, drip campaigns, transactional emails. Mailcoach is a fully featured email marketing platform built for growing creators, developers, and businesses.
2020 · mailcoach.app · its alternatives →
- 21
Hello HN, I'm Bijan, a software developer and the creator of Sunnybox (https://sunnybox.io). I developed Sunnybox to make email integrations more straightforward for developers, especially in terms of interacting with IMAP servers. Sunnybox is an Email API that offers: - Easy integration with IMAP accounts. - Webhooks for real-time email notifications. -JSON:API format responses (https://jsonapi.org) for better standardization. Built using Ruby on Rails, Sunnybox is designed to offer a powerful yet easy-to-use solution for developers managing email systems. I'd really…
2023 · sunnybox.io · its alternatives →
- 22
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A self-hosted IMAP/SMTP middleware designed for developers
2025 · rustmailer.com · its alternatives →
- 24
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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 →