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gRPC Status Code Lookup

Look up all 17 gRPC status codes (0–16) with meanings — from OK and CANCELLED through resource and network errors for backend debugging. Code never leaves your device — formatting and validation run locally in your browser.

100% Local Browser Native

How to Use the gRPC Status Code Lookup

1. Enter the code 0–16

Numeric code from your RPC error or logs.

2. Read meaning and retry rule

What OK through UNAUTHENTICATED means plus whether retrying is safe.

3. Handle it in code

Map retryable codes to backoff, terminal ones to user-facing errors.

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Frequently Asked Questions

How many gRPC codes exist?

Seventeen, numbered 0–16 — from OK through CANCELLED, UNKNOWN, and resource errors.

Which codes appear most?

0 OK, 2 UNKNOWN, 5 NOT_FOUND, 13 INTERNAL, 14 UNAVAILABLE cover nearly all debugging.

Code vs HTTP status?

gRPC codes travel with HTTP/2 trailers — related to, but distinct from, HTTP status codes.

Do my lookups leave my browser?

No — lookup runs locally in your browser, free with no signup.

Last updated October 2026