s2.dev
@s2_streamstore
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API for unlimited, durable, real-time streams
Joined August 2025
There's two new ways to manage S2 as code! The Terraform provider lets you manage basins, streams, and access tokens as resources with full lifecycle support. Available on the Terraform Registry at s2-streamstore/s2. Or you can use the CLI using `s2 apply` which takes a
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The @s2_streamstore dashboard now has a Data Plane studio to make it convenient to work with streams. You can: - Do one shot reads or live tail from any stream or start from tail offset, seq number, or a timestamp - Append records in multiple input modes - Run stream
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@Accel @ycombinator @theo Our customers are building AI products that need real-time, durable streams — token streaming, agent sessions, live observability. They're creating millions of streams and pushing terabytes of data each week. S2 makes that as simple as object storage.
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The S2 cloud service is now GA. We also raised a $3.85M seed round led by @Accel with participation from @ycombinator, other funds and angels like @theo!
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It was fun to run multi-agent research cohorts and have them connect over durable streams, making infinitely many reasoning topologies possible!
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Curious about the architecture of S2? This is how we cook infinite durable streams for you.
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just got finished no-lifing on building a TUI for s2, wdyt?
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Probably the best demo example of a "messaging" system I've seen 😅 I've recorded a short video comparing @s2_streamstore and Kafka.
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the "trust but verify"-types can even run our linearizability model on logs collected from it 👀 https://t.co/0a6DFad3n7
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s2-lite is here – an open source Stream Store! It's a single binary you can run anywhere. Powered by SlateDB, so you can point it at an object storage bucket for durable streams with real-time reads.
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Thankful to the @s2_streamstore team for all the progress we made this year! Really excited for 2026. Some highlights: - HN for our intro post, deterministic simulation testing approach, and more - Tons of product improvements, such as access control, timestamping, playground,
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S2 is now SOC 2 Type II compliant! We are committed to continuously improving our security posture.
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bruh
The fix: streams become a first-class primitive with their own URL. Each stream is an addressable, append-only log. Clients read from any position using opaque, monotonic offsets. On reconnect: "give me everything after offset X" No server-side session state. Progress
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🧵 Introducing Realtime Streams v2, built with @s2_streamstore, designed for unlimited, reliable, type-safe streaming. ↓ Read about what we've improved, and how to upgrade.
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We are at SyncConf SF! Find us or DM if you wanna chat streams (or logs if you prefer!)
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https://t.co/wJCDi1KWOl (@s2_streamstore) is the serverless API for unlimited, durable, real-time streams. Streams are now a dead-simple cloud storage primitive. Congrats on the launch, @shikhrr, @sgbalogh0, and @quettabitxyz! https://t.co/2JXcYtSXvb
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👀 "This is the home of s2-lite — an open source, self-hostable implementation of the S2 API for durable streams. It will be backed by SlateDB, and it is currently in development."
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