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API design & gRPC

REST best practices, protobuf, API versioning, and backward-compatible service contracts.

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API design & gRPC easy

How to Create an RFC 7807 Error JSON in Python

Construct a structured error response using the RFC 7807 Problem Details format with a reusable function.

rfc7807 json error-handling
Python 
import json
from typing import Dict


def create_rfc7807_error(
    type_: str,
    title: str,
    status: int,
    detail: str,
    instance: str,
    extra_fields: Dict[str, object] | None = None,
) -> str:
    """
    Build a JSON string following RFC 7807 Problem Details format.
    """
    problem = {
        "t…
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