Buf

What is Buf?

Buf is an open source tooling platform designed to streamline Protocol Buffer (Protobuf) and gRPC development. It provides developers and organizations with utilities to define, lint, and manage Protobuf schemas across their infrastructure, from gRPC APIs to streaming data platforms like Kafka. The tool addresses common pain points in API development by offering schema validation, code generation, and best practice enforcement. Buf enables teams to adopt Protobuf schemas consistently throughout their technology stack, reducing friction in schema management and improving API reliability. Buf is particularly suited for organizations building microservices architectures, event-driven systems, or any infrastructure relying on Protobuf for data serialization and API contracts. The platform serves both individual developers and enterprise teams through its open source core and complementary commercial offerings. Available on GitHub and Docker, Buf operates as a command-line tool that integrates into development workflows and CI/CD pipelines. The project is actively maintained and provides comprehensive documentation for getting started with Protobuf tooling. By standardizing Protobuf practices, Buf helps teams reduce errors, improve schema quality, and establish consistent API development patterns across distributed systems.