Buf Docs

The platform for building, managing, and streaming with Protobuf schemas.

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Develop Protobuf APIs locally

Lint, format, generate code, and detect breaking changes.

Manage and share schemas

Publish modules, generate SDKs, and enforce governance.

Stream data with Kafka

Deploy Kafka-compatible streaming with schema enforcement and Iceberg.

Explore by product

Buf CLI

Local Protobuf development toolchain

Installation Code generation Linting Breaking changes Editor integration

Buf Schema Registry

Centralized schema management and distribution

Generated SDKs Dependencies CI/CD Remote plugins Administration

Bufstream

Kafka-compatible streaming for the data lakehouse era

Deployment Kafka compatibility Apache Iceberg Observability Architecture

Open Source

ConnectRPC

Simple, reliable, interoperable RPC. Built on Protobuf.

Protovalidate

Polyglot message validation for Protobuf.

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