A minimal, vendor-agnostic JavaScript client for the Apache Iceberg REST Catalog API, providing type-safe catalog management for JavaScript and TypeScript developers.

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Supabase released iceberg-js, an open-source JavaScript/TypeScript client for Apache Iceberg REST Catalog API. The library provides type-safe catalog management for namespaces and tables, works across all JavaScript environments, and is intentionally minimal—it handles only catalog operations, not data reads/writes or query execution. Built to power Supabase's Analytics Buckets feature, it's vendor-agnostic, uses native fetch API, and supports multiple authentication methods. The MIT-licensed library is available on GitHub and npm.

Introducing iceberg-js: A JavaScript Client for Apache Iceberg