Buf

Provides a Protobuf and gRPC platform with a schema registry, CLI, and related tooling to manage data shapes, generate SDKs and documentation, validate changes, and govern APIs so changes do not break downstream consumers. Sells to developers and engineering teams in B2B companies that build and maintain APIs across backend, frontend, and mobile platforms. Delivered as a SaaS schema registry combined with open-source components including a CLI, ConnectRPC framework, Protovalidate libraries, and a Protobuf toolchain.

Key features

• Generated SDKs for API consumers
• API documentation generation
• Protobuf plugin management
• API governance and policy checks
• Remote plugin verification and maintenance
• API change validation locally and in CI
• Code generation without compiler management
• Automatic file reformatting for consistency
• cURL-like gRPC and ConnectRPC invocation
• ConnectRPC RPC framework
• Protovalidate semantic validation libraries
• Bazel rules for Protobuf
• Gradle support for Protobuf
• Modern Protobuf compiler
• LSP support for Protobuf