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announcetutorial
Your data, your keys
S2 now supports client-supplied encryption keys for durable streams, giving teams control over key material without changing record APIs.
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use-case
Video Conferencing with Durable Streams
Build a video conferencing demo on S2 streams with live media reads, replay, retention controls, and durable frame history.
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announce
General availability & our seed round
S2 is generally available, backed by a $3.85M seed round led by Accel, and ready for production durable stream workloads.
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aiuse-case
Coordinating adversarial AI agents
Use durable streams to coordinate adversarial AI agents, isolate context, replay reasoning, and scale parallel moderation or forecasting.
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use-casetutorial
Drawing the rest of the owl
Practical S2 patterns for typed records, large messages, duplicate-safe retries, and application-level stream processing in TypeScript.
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distsystypescript
Behind y-s2: serverless multiplayer rooms
How y-s2 uses S2 streams, checkpoints, and leases to make serverless Yjs multiplayer rooms durable and easier to debug.
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testingdistsys
Linearizability testing S2 with deterministic simulation
How S2 validates strong consistency with Porcupine linearizability checking and deterministic simulation testing.
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aidistsys
Stream per agent session
Why AI agent sessions need their own durable streams for memory, auditability, isolation, branching, and reliable resume.
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announcetutorial
Postgres CDC made simple
A tutorial for streaming Postgres change data capture into S2 with Sequin for low-latency, durable CDC pipelines.
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use-casetutorial
Multi-player, serverless, durable terminals
How S2 can power multiplayer, replayable terminal sessions with durable stream I/O and no SSH server to configure.
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announcetutorial
Streams as web resources with access controls
Learn how S2 access tokens scope stream operations by resource, prefix, and expiration for browser, app, and agent clients.
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announcedistsys
Keeping time on a stream
How S2 indexes stream records by timestamp so readers can seek by time, replay event history, and handle real-world event time.
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testingdistsys
Deterministic simulation testing for async Rust
How S2 uses deterministic simulation testing for async Rust to find distributed-systems bugs before they reach production.
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use-caseiot
Blazing-fast IoT data pipeline for infrared monitoring
Build a low-latency IoT pipeline with a Raspberry Pi thermal sensor, S2 streams, and TypeScript for real-time monitoring.
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use-casedistsys
One weird trick to durably replicate your KV store
A deep dive on using S2 as a shared log to replicate a strongly consistent KV store with append, read, and check-tail operations.
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announcedistsys
Introducing S2
Introducing S2, a serverless stream store that makes durable real-time streams feel as simple and scalable as object storage.
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