Best gRPC Tools in 2026

ghz suits developers who need gRPC load tests from a CLI or Go code, with output formats for reports and monitoring systems.

grpcmd suits developers who work with gRPC from a command line and need reflection, streaming calls, or an option to use .proto files.

Kreya suits developers who need to explore or test APIs across several protocols, or automate API checks in CI/CD.

It suits developers who inspect gRPC services and call remote methods from the command line.

grpcmock-go suits Go developers writing tests for gRPC clients, servers, streaming methods, and in-memory connections.

gRPC Swagger suits developers who need a browser-based way to inspect and exercise reflected gRPC services.

Chiko suits developers who test gRPC services from a terminal and need reflection-based endpoint browsing, request metadata, bookmarks, or grpcurl exchange.

grpcui suits developers who need to construct gRPC requests interactively and inspect service behavior.

Evans suits developers who inspect gRPC APIs manually or script requests from a command line.

FintX

FintX suits developers who need a desktop tool to test gRPC clients, compare responses, simulate external services or run load scenarios.

It suits teams that maintain Protocol Buffers definitions and want documentation generated from their comments.

It suits developers generating and publishing reference documentation for Protobuf and gRPC contracts, including as part of CI builds.

Granc suits Linux users who need JSON-driven gRPC inspection, calls, documentation, or reusable library logic.

GripMock

GripMock suits developers building or testing gRPC clients without a backend, including local development, CI, and containerized test environments.

BloomRPC Extended suits developers who need a desktop interface for testing or exploring gRPC services.

Mediator is aimed at developers configuring gRPC clients and inspecting traffic across desktop operating systems.

ProtoCall suits people building APIs with gRPC who organize proto files in GitHub repositories or manual workspaces.