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Michael Grinich
WorkOS
11.2K posts
user avatar
Michael Grinich
WorkOS
@grinich
@WorkOS founder
workos.com/auth-md
Joined October 2008
631
Following
13.9K
Followers
  • Pinned
    user avatar
    Michael Grinich
    WorkOS
    @grinich
    May 22
    Today WorkOS is launching auth.md An open protocol for agents to register for services on the web. We're partnering with @Cloudflare and @firecrawl as some of the first providers. Why did we build this? And why now? 🧵
    315K
  • user avatar
    Michael Grinich
    WorkOS
    @grinich
    Sep 27, 2025
    they all remained friends and retook the same photo many years later (my grandpa is 4th from the right)
    user avatar
    RossRadio
    @cqcqcqdx
    Sep 25, 2025
    Fairchild Semiconductor's founders (1957)
    465K
  • user avatar
    Michael Grinich
    WorkOS
    @grinich
    Apr 15, 2021
    Actual video of startups selling their first enterprise deal
    user avatar
    AI Memes for Artificially Intelligent Teens
    00:00
    user avatar
    AI Memes for Artificially Intelligent Teens
  • user avatar
    Michael Grinich
    WorkOS
    @grinich
    Dec 14, 2016
    [screams internally]
  • user avatar
    Michael Grinich
    WorkOS
    @grinich
    Jul 19, 2025
    The new @SlackHQ API rate limits are absolutely insane: For accessing messages, you can now only make 1 request per minute, with a maximum of 15 messages 🤯 And yes this applies to ALL apps, not just public ones. We can't build internal tools on our OWN data. @Benioff this is
    413K
  • user avatar
    Michael Grinich
    WorkOS
    @grinich
    Sep 17, 2025
    uhh did atlassian just copy our logo?
    user avatar
    Atlassian
    @Atlassian
    May 1, 2024
    AI breaks down yet another barrier! Today at Team '24 we announced Atlassian Rovo – a new product that unleashes a company’s knowledge so teams can make better decisions faster. bit.ly/4djwkI2 #AtlassianRovo
    380K
  • user avatar
    Michael Grinich
    WorkOS
    @grinich
    Jun 26, 2019
    Gmail is forcing users to sign-in to Chrome. Are you surprised? I’m not. They’ve done it before. Here’s the story of how Gmail became Google’s secret weapon to compete with Facebook. (A thread 👇)
  • user avatar
    Michael Grinich
    WorkOS
    @grinich
    Oct 31, 2025
    Update: now $30m ARR 🚀 We are hiring across eng, design, marketing, sales, and more DMs open or email jobs at workos dot com
    user avatar
    Michael Grinich
    WorkOS
    @grinich
    Jun 2, 2025
    Last month WorkOS crossed $20m ARR, powering 1,000+ customers. A big milestone, but it still feels like day one. Onward 🚀
    00:00
    317K
  • user avatar
    Michael Grinich
    WorkOS
    @grinich
    Nov 28, 2023
    Today we’re excited to announce @AuthKit — an open source authentication UI built on @radix_ui. We’re also launching free hosting for any developer up to 1,000,000 users, powered by @WorkOS.
    user avatar
    WorkOS AuthKit
    WorkOS
    00:00
    user avatar
    WorkOS AuthKit
    WorkOS
    199K
  • user avatar
    Michael Grinich
    WorkOS
    @grinich
    Mar 17, 2020
    Introducing WorkOS, a developer API to make your app enterprise-ready. 🎉  workos.com Quick thread 👇
    WorkOS — Your app, Enterprise Ready.
    From workos.com
  • user avatar
    Michael Grinich
    WorkOS
    @grinich
    Jul 19, 2019
    Notion just raised a $10m Series A at a staggering $800m valuation. 💰💰💰 How were they able to close this wild round? Here’s my thoughts on the strategy, along with what risks it presents... (a thread 👇)
  • user avatar
    Michael Grinich
    WorkOS
    @grinich
    May 9, 2025
    imagine losing to jira but boasting that you save a couple million dollars per year dhh shares all this virtue signaling as if they are business masterminds but seems they just got smoked by linear, asana, monday, and even atlassian does anyone actually use basecamp? i
    user avatar
    Zack Kanter
    @zackkanter
    May 8, 2025
    It unfortunately seems that 37signals spent the last two and a half years on a Manhattan project to reduce COGS at the expense of thus far completely missing AI (at least I can’t find any mention of features on their websites). The opportunity cost was always huge.
    840K
  • user avatar
    Michael Grinich
    WorkOS
    @grinich
    Aug 18, 2025
    When I started WorkOS, it was just me working out of my bedroom. This month we opened our first office in the heart of San Francisco. 🌁 Big step for the team and the journey ahead!
    62K
  • user avatar
    Michael Grinich
    WorkOS
    @grinich
    Mar 11, 2021
    Most people think raising VC funding is the barrier to starting a company. The actual barrier is more often healthcare. Every week it seems I meet another incredible would-be founder, who are instead stuck in a job simply due to heath insurance for them or their family.
    user avatar
    Rachael Rose
    @hedonish
    Mar 9, 2021
    I will die on this hill: HEALTH INSURANCE SHOULD NOT BE TIED TO EMPLOYMENT.

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