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Documentation Index

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A container for streams, similar to a bucket in object storage. Each basin has a globally unique name and lives in a specific cell within a region. The basin name is reflected in the data plane endpoint: 
https://{basin}.b.s2.dev

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Configuration

Basins carry configuration that governs stream auto-creation and defaults for streams in the basin. Enabling create_stream_on_(append|read) lets you skip explicit stream creation — just start operating and the stream will be created automatically with the basin’s default stream config.

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Naming

Streams within a basin are addressed as s2://{basin}/{stream}. Stream names can contain / (or any other delimiter) to create logical hierarchies: 
s2://my-basin/sessions/user-123/run-456
s2://my-basin/logs/prod/api-server
This is a naming convention only — there is no directory structure. Listing streams supports prefix filtering, and access tokens can be scoped to prefixes as well.

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Limits

The number of basins per account is unlimited (for all customers with a payment method; otherwise limited to 100). Streams within a basin are unlimited. See limits for details.

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See also

SDK

Create, configure, list, and delete basins

API Reference

Basin management endpoints