Cloudflare Basin GA: serverless data platform on Iceberg

Cloudflare has released Basin, a serverless data analytics platform, as a generally available service. Built on Apache Iceberg and Cloudflare’s R2 object storage, Basin provides tools for ingesting, managing, and querying analytical data without infrastructure provisioning or egress charges.

The platform consolidates three components previously offered in beta: Basin Pipelines for event ingestion and transformation, Basin Catalog for Iceberg metadata management, and Basin SQL for distributed querying. These services allow developers to process data from applications, infrastructure, or Cloudflare services and run analytical queries at scale.

How Basin works

Basin Pipelines accepts events via HTTP, Workers bindings, or Cloudflare Logpush, applies SQL transformations, and writes results as Iceberg tables or files in R2. The service supports schema-aware bindings for Workers, data quality error tracking, and infrastructure-as-code deployment via Terraform. Cloudflare states Pipelines can ingest up to 3 GB per second per stream.

Basin Catalog manages Iceberg metadata and performs automated maintenance tasks such as compaction, snapshot expiration, and unreferenced data cleanup. The catalog supports per-table compaction policies and manifest optimization to reduce query planning overhead. Future updates will include jurisdiction controls for data sovereignty compliance.

Basin SQL provides a serverless query engine that scales across Cloudflare’s network. The engine supports over 190 functions, joins, window functions, and JSON operations. Queries can be executed via API, Wrangler CLI, or a dashboard editor with syntax highlighting and query statistics.

Why the platform matters

Cloudflare positions Basin as a solution for developers frustrated by the complexity and cost of traditional data architectures. The platform’s serverless model eliminates cluster management, while zero egress fees allow data to be accessed from multiple tools, regions, or cloud providers without additional charges. Usage-based pricing scales from hobby projects to enterprise workloads.

Early adopters include Cloudflare’s internal teams and external companies like Anomaly and Bobsled. Anomaly replaced an AWS S3 and Athena setup with Basin for event data processing, while Bobsled uses the platform to distribute AI-ready data across regions and cloud providers.

"We moved our entire company's data pipeline to Basin Pipelines, Catalog, and SQL, replacing a complex AWS S3 and Athena setup with a cleaner, serverless architecture that reliably handles all of our event data." — Dax Raad, Co-Founder, Anomaly (via Cloudflare Blog)

What’s next for Basin

Cloudflare plans to expand Basin with support for Iceberg V3 features, including the Variant type for semi-structured data and geospatial types. Future updates will add push-button ingestion sources, adaptive table maintenance, and tools for data compliance and sovereignty. The company also intends to improve SQL compatibility and performance for complex analytical workloads.

Basin is available now, with existing Cloudflare Pipelines, R2 Data Catalog, and R2 SQL configurations continuing to function. Developers can start with a tutorial for ingesting events, creating Iceberg tables, and running queries via Basin SQL.