gRPC
0 OK
The operation completed successfully. Not an error; returned on success.
When You See This Code
The RPC completed without any issues. This is the expected response for every successful gRPC call.
How to Fix
No fix needed — this indicates everything worked correctly.
Specification
View RFC / Specification →Cross-Protocol Equivalents
Comparisons
Guides
Choosing the Right HTTP Status Codes for REST APIs
API Design
gRPC Status Codes: A Practical Guide
API Design
Debugging Timeout Errors: 408 and 504
Debugging & Troubleshooting
How to Implement and Handle Rate Limiting (429)
API Design
API Versioning Strategies: URL, Header, and Query Param
API Design
Designing Consistent API Error Responses
API Design
API Keys vs OAuth vs JWT: Choosing the Right Auth Method
Security & Authentication