rfc9457

Unified error responses for Quarkus REST APIs via Problem Details for HTTP APIs (RFC9457 & RFC7807)

Prevent OpenAPI Generator from redefining your Java contract. Contract-preserving client generation for Spring Boot — available on Maven Central.

Next-generation HTTP router for Go 1.27+ with type-safe handlers, RFC 9457 errors, and built-in OpenAPI generation. Minimal dependencies, blazing performance.

Spring integration for library implementing RFC7807 (and RFC9457)

Стандартное тело HTTP-ошибки application/problem+json: построение, разбор и данные ответа

Reusable RFC 9457 Problem Details for HTTP APIs. OpenAPI schemas and examples ready to $ref, plus Python and TypeScript packages.

General-purpose status codes. Like HTTP status codes, but not tied to a protocol. A three-tier taxonomy for any layer of your app, with RFC 9457 compatibility.

Kotlin Multiplatform library for RFC 9457 / RFC 7807 Problem Details

RFC 9457 Problem Details for HTTP APIs のGo実装。Clean Architecture + DDD、依存ゼロ、86.9%テストカバレッジ。

A comprehensive ASP.NET Core error handling library that provides standardized error responses, automatic exception filtering, and business rule notification processing with built-in localization support.

Symfony 8 bundle for JSON-first API form handling — controller traits, API form types, data transformers, Doctrine validation, and RFC 9457 problem details error responses

A RFC 9457 Problem Details for HTTP APIs implementation.

A Kotlin Result<T, E> type with a kiit-codes status on every branch, not just failure.

Production-ready NestJS 12 starter. Runs locally with no Docker on embedded Postgres (PGlite), deploys on real PostgreSQL. Drizzle, Zod, JWT refresh rotation, RFC 9457 errors, pino.

API Problem (RFC 9457) objects

Minimal, opinionated Result pattern library for modern .NET APIs with RFC 9457 ProblemDetails, structured logging, and first-class Minimal API support.

A small architectural reference implementation showcasing DDD, bounded contexts, hexagonal architecture, CQRS, Mediator and RFC 9457 Problem Details in Python with FastAPI.

Extensible Web API middleware that maps all exceptions to standardized RFC 9457 (Problem Details, formerly RFC 7807) HTTP responses.

ASP.NET Core building blocks for .NET web APIs: RFC 9457 ProblemDetails, exception handling, OpenAPI, Minimal API versioning, forwarded headers and Serilog request logging. Small, independent NuGet packages (JorgeCostaMacia.Http.*).

Spring Boot starter library providing enhanced RFC 9457 ProblemDetail exception handling with field-level validation error information for WebMVC and WebFlux applications.