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Anthropic acquires NYC-based Stainless, which generates SDKs from APIs, and plans to wind down its hosted products, after reportedly discussing a $300M+ deal

Anthropic announced Monday it has acquired Stainless, a startup founded by former Stripe engineer Alex Rattray whose software …

TechCrunch Kirsten Korosec

Discussion

  • @initjean @initjean on x
    lmao Anthropic is literally killing the OpenAI SDK the product they bought used to generate the SDK is also used others including Cloudflare, Replicate
  • @kushalbyatnal Kushal Byatnal on x
    somewhere at OpenAI, there's a procurement person who just got assigned a very urgent monday morning task
  • @auchenberg Kenneth Auchenberg on x
    Big congrats to @RattrayAlex and the @StainlessAPI team on joining @AnthropicAI! ✨ First big outcome in the DXI category, and I expect to see many more as we transition from Developer Experience to Agent Experience. Great to see old Stripe mafia gather at Ant!
  • @jxnlco Jason on x
    First they came for openclaw and I did not do anything Then they came for opencode and I did not do anything
  • @paxaral @paxaral on x
    this is actually very bad. I'm an anthropic apologist for most of what they've done recently bc of compute constraints, but Stainless is literally joining anthropic to do MCP and api interop shenanigans. They have no commercial interest in api codegen anymore. They could just
  • @quinnypig Corey Quinn on x
    Did they pay top dollar for the acquisition, or was it a Stainless steal? 🤔
  • @jenniferhli Jennifer Li on x
    Huge congratulations to @RattrayAlex and the @StainlessAPI team on the acquisition by @AnthropicAI. From our earliest conversations, what stood out about Stainless was the clarity of the mission: make APIs feel effortless for developers, by turning API design into great SDKs,
  • @anthropicai @anthropicai on x
    Anthropic is acquiring @stainlessapi, an SDK and MCP server platform that has powered every Anthropic SDK since the earliest days of our API. Read more: https://www.anthropic.com/...
  • @ay_ushr Ayush on x
    surely anthropic don't hate openai enough to buy stainless just to shut it down [image]
  • @tecoker Tobi Coker on x
    Congrats to the @StainlessAPI team on the acquisition by Anthropic! It took six customer intros and two months to get @RattrayAlex to take a meeting with us — but from that first 25-minute conversation in a cramped NYC office, the vision for API infrastructure was obvious.
  • @evisdrenova Evis Drenova on x
    This is how you startup. >be alex rattray, eng at stripe >work on stripe's api and sdk >openai recruits away stripe engineers >your friends work there now >obvious they need an sdk >leave stripe to start sdk company >tell friends to use your sdk, they do >go to anthropic, your
  • @batuhan @batuhan on x
    we've been a stainless customer for a while, the team there is great, anthropic is getting so many talented people i've been on their homepage until today with my quote [image]
  • Katelyn Lesse Katelyn Lesse on linkedin
    Over the past year I've watched agents move from demos to production, and the wall they keep hitting is the same: an agent is only as capable as the systems it can reach. …
  • Alex Rattray Alex Rattray on linkedin
    I'm thrilled to share that Stainless has been acquired by Anthropic!  —  APIs are the dendrites of internet.  The more & better connections you have, the smarter you are. …
  • r/Anthropic r on reddit
    Anthropic has acquired the dev tools startup used by OpenAI, Google, and Cloudflare
  • @thdxr Dax on x
    the whole sdk category that stainless was in never made much sense to me it turned what should be a simple run anywhere process and put it behind a cloud service that forced all these awkward workflows we've been building on and sponsoring heyapi for the past year