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I built a free, open-source inbox that pulls OTP codes and links out of your email automatically

A few years ago I shut down my last startup, ShopAgain. Before we shut it down, I wanted to open source it. I couldn't — it needed several microservices just to run, and everything was welded together for one specific business. That stuck with me longer than I expected. About a year ago, at my day job, I needed to automate a signup flow for testing. The first step was generating a one-time code and verifying it — small thing, until you try to make it work reliably without a person watching

五维评分

付费意愿
45
需求真实度
55
个人可落地
80
竞争空间
35
新鲜度
65

AI 分析

痛点:开发者在做自动化测试或AI agent任务时需要程序化获取邮件中的OTP验证码和验证链接,但现有邮件API只返回原始邮件,解析工作要自己写正则和轮询代码。

目标用户:做自动化注册/测试的开发者、需要专属邮箱的AI agent开发者、需要把邮件触发的告警路由到Slack等系统的运维团队。

证据:I looked at the email APIs that already existed, and they all had the same gap: you get the raw email, and you're the one writing the code to dig the part you actually need out of it. / It pulls the OTPs, the links, the data out of every message that lands and hands it to you through an API — no regex, no polling, no mailbox scraping.

变现:托管版按API调用量或邮箱数订阅计费(免费额度+付费套餐),团队协作与规则/Webhook高级功能收费;开源核心+云托管双轨模式。

MVP:2周内做一个可托管的解析邮箱API:分配一个邮箱地址,收到邮件后用一个LLM或规则引擎抽取OTP/验证链接/结构化字段,用Webhook或REST API返回JSON结果,接Stripe做按量订阅。

竞品:MailSlurp、Mailosaur、Mailtrap、Mailinator、Hunter.io

摘要:一位开发者因自动化测试中难以程序化提取邮件OTP,做了个开源自解析收件箱:每条邮件自动抽取OTP、链接和数据并通过API返回,支持转发、Webhook和AI agent邮箱,提供 docker compose 自托管和免费托管版。痛点真实且已有MailSlurp等付费竞品,但该帖本身免费开源,未给出任何付费意愿或收入数据,且免费替代进一步压缩了竞争空间。