Native speed, not a web wrapper
Built for macOS with the responsiveness, keyboard flow, and visual detail you expect from a serious desktop tool.
Introducing greatRPC
The ultimate macOS gRPC client.
A focused desktop app for developers who want to inspect, test, and debug gRPC services without fighting their tools.
- Designed for gRPC, not adapted to it
- macOS-first UI with keyboard-driven workflows
- Fast setup for local, staging, and production APIs
- Readable request history and reusable collections
Unary Request
checkout.PaymentService/CreateIntent
200 OK
Metadata
x-api-key: sk_live_... x-env: staging
Payload
{
"customerId": "cus_2048",
"amount": 1299,
"currency": "USD"
} Response
{
"intentId": "pi_91A2",
"clientSecret": "seti_...",
"status": "requires_confirmation"
} Built for teams shipping modern APIs.
Made for macOS developers who care about speed, clarity, and polish.
Why greatRPC
A client that respects how developers actually work.
Understand every call at a glance
Inspect services, methods, metadata, payloads, and status details without hunting through noisy panes or modal dead-ends.
From smoke tests to deep debugging
Save requests, replay edge cases, compare responses, and move from quick experiments to repeatable workflows in seconds.
Workflow
Made for the path from first request to final fix.
01
Connect instantly
Point greatRPC at your endpoint, load reflection or proto files, and start exploring your service surface immediately.
02
Craft precise requests
Compose metadata, edit structured payloads, and test unary flows with an interface that stays out of your way.
03
Debug with confidence
Review responses, status codes, and timing details in a layout built to make anomalies obvious instead of hidden.
Coming soon
Get early access to greatRPC.
Be first to try the desktop app, see launch updates, and help shape the product before release.