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Show HN: Recivo – Receive Emails Programmatically

https://recivo.email/
8•WilcoKruijer•5h ago
Hi HN, these last couple of weeks I've been building 'Recivo', a simple way to receive emails programmatically. There are plenty of API-based services that can be used to send emails, but receiving them is harder.

As a Recivo user, you create a new email address which will then immediately be available for receiving emails. A REST `/inbox` endpoint is exposed for retrieving these emails, this includes all data you would expect: subject, content, sender, and most importantly: attachments. You can also get notified of newly received emails using webhooks.

The main use-cases I'm thinking of right now is triggering AI agents using email or a very simple document upload flow to any SaaS (just forward an email to the SaaS). This is actually where the inspiration for Recivo came from, I really enjoy the flow of getting an invoice in my mailbox and forwarding it to my accounting software and then seeing it appear in the app. The agentic use-case seems promising, especially for workflows that still require a human in the loop. Asynchronous communication with an AI agent feels natural to me.

When you visit the landing page you're immediately given a randomly generated email address and a cURL command to try the API. Of course these demo addresses will expire, so you'll have to log in to create a non-randomized and permanent address.

I'm wondering if you see any other use cases for a "programmatic" mailbox. Please let me know what you think!

Show HN: HomeBrew HN – generate personal context for content ranking

https://www.hackernews.coffee/
43•azath92•3h ago•23 comments

Show HN: CSS generator for a high-def glass effect

https://glass3d.dev/
370•kris-kay•23h ago•98 comments

Show HN: Recivo – Receive Emails Programmatically

https://recivo.email/
8•WilcoKruijer•5h ago•0 comments

Show HN: Peer. – The First Subscription-Based Social Network

https://www.peerfreund.com/
2•AmuXhantini•3h ago•2 comments

Show HN: Jobs by Referral: Find jobs in your LinkedIn network

https://jobsbyreferral.com/
169•nicksergeant•2d ago•63 comments

Show HN: Bookmark and organise your mobile links with ease with this free app

https://about.listee.app
2•MLJV•7h ago•1 comments

Show HN: I made a 2D game engine in Dart

https://bullseye2d.org/
94•joemanaco•5d ago•39 comments

Show HN: A continuation of IRS Direct File that can be self-hosted

https://github.com/openfiletax/openfile
240•elijahwright_•2d ago•32 comments

Show HN: Opasm, an Assembly REPL

https://github.com/aedrax/opasm
21•aedrax•1d ago•0 comments

Show HN: I built the tool I wished existed for moving Stripe between countries

https://www.stripemove.com/
100•felphos•2d ago•53 comments

Show HN: Spegel, a Terminal Browser That Uses LLMs to Rewrite Webpages

https://simedw.com/2025/06/23/introducing-spegel/
416•simedw•2d ago•179 comments

Show HN: Core – open source memory graph for LLMs – shareable, user owned

https://github.com/RedPlanetHQ/core
107•Manik_agg•1d ago•37 comments

Show HN: A modern C++20 AI SDK (GPT‑4o, Claude 3.5, tool‑calling)

54•cauchyk•4d ago•6 comments

Show HN: HackerNewt – Breadth-first exploring HN client for iOS

https://apps.apple.com/us/app/hackernewt-for-hacker-news/id6448201970
65•hnand•1d ago•30 comments

Show HN: Puteron, Systemd Competitor

https://github.com/andrewbaxter/puteron
5•rendaw•1d ago•0 comments

Show HN: I made a Chrome extension to export web element to code

https://copyui.online
3•Graxi•13h ago•1 comments

Show HN: Arch-Router – 1.5B model for LLM routing by preferences, not benchmarks

65•adilhafeez•1d ago•15 comments

Show HN: Open-Source International Space Station Tracker ESP32/Arduino for $20

https://github.com/GuitarML/SpaceStationTracker
72•keyth72•5d ago•18 comments

Show HN: TokenDagger – A tokenizer faster than OpenAI's Tiktoken

https://github.com/M4THYOU/TokenDagger
277•matthewolfe•3d ago•72 comments

Show HN: Palo Alto Realtime Police Incidents with Radio Traffic

https://www.paloaltopolice.org/
2•brianhama•3h ago•0 comments

Show HN: I'm an airline pilot – I built interactive graphs/globes of my flights

https://jameshard.ing/pilot
1527•jamesharding•6d ago•197 comments

Show HN: New Ensō – first public beta

https://untested.sonnet.io/notes/new-enso-first-public-beta/
248•rpastuszak•3d ago•87 comments

Show HN: Exceptional free templates, component libraries and boilerplates

https://htmlrev.com/
30•devluc•2d ago•5 comments

Show HN: Issue Duration Labeler – a GitHub Action that labels issue by age

https://github.com/mireklzicar/issue-duration
2•mireklzicar•18h ago•0 comments

Show HN: Kosign – Cold storage vaults with social recovery

https://kosign.xyz
2•morriskosign•19h ago•0 comments

Show HN: Octelium – FOSS Alternative to Teleport, Cloudflare, Tailscale, Ngrok

https://github.com/octelium/octelium
354•geoctl•4d ago•149 comments

Show HN: We're two coffee nerds who built an AI app to track beans and recipes

https://beanbook.app
58•rokeyzhang•2d ago•54 comments

Show HN: ToplingDB - A Persistent Key-Value Store for External Storage

https://github.com/topling/toplingdb
73•rockeetterark•2d ago•22 comments

Show HN: I built a VPN management UI for my non-technical family

https://github.com/arashvakil/LeiaGuard
18•arashvakil•1d ago•0 comments

Show HN: Guide so you can clean up all your Node Versions

https://github.com/ThatGuySam/node-upgrade-checklist
3•ThatGuySam•22h ago•0 comments