May 18, 2026 at 10:42 PM
My PR to enhance validation in Minimal APIs with full ProblemDetails support has just been merged into the ASP.NET Core repo and will be available in .NET 10 Preview 6 github.com/dotnet/aspne... #dotnet #minamalapi
May 29, 2025 at 7:37 AM
My PR to enhance validation in Minimal APIs with full ProblemDetails support has just been merged into the ASP.NET Core repo and will be available in .NET 10 Preview 6 github.com/dotnet/aspne... #dotnet #minamalapi
If you want to automatically add a default ProblemDetails response to all your endpoints, you can use my TinyHelpers.AspNetCore library (or TinyHelpers.AspNetCore.Swagger if you're using Swashbuckle) github.com/marcominerva... #dotnet #aspnetcore #minimalapi /cc @captainsafia.com
February 13, 2025 at 9:47 AM
If you want to automatically add a default ProblemDetails response to all your endpoints, you can use my TinyHelpers.AspNetCore library (or TinyHelpers.AspNetCore.Swagger if you're using Swashbuckle) github.com/marcominerva... #dotnet #aspnetcore #minimalapi /cc @captainsafia.com
🚀 Transform Your ASP.NET Core APIs with ProblemDetails! 🛠️ Craft clear, structured error messages for seamless error handling. #dotnet #aspnetcore #problemDetails #apidev
www.ottorinobruni.com/how-to-use-p...
www.ottorinobruni.com/how-to-use-p...
How to Use ProblemDetails in ASP.NET Core APIs for Better Error Handling - Ottorino Bruni
Introduction Every day, when building or maintaining our ASP.NET Core APIs, we often deal with returning basic responses like 200 OK or 404 Not Found. It works the client gets a response, the server d...
www.ottorinobruni.com
August 7, 2025 at 8:05 AM
🚀 Transform Your ASP.NET Core APIs with ProblemDetails! 🛠️ Craft clear, structured error messages for seamless error handling. #dotnet #aspnetcore #problemDetails #apidev
www.ottorinobruni.com/how-to-use-p...
www.ottorinobruni.com/how-to-use-p...
Still working my way through this codebase.
The authors were trying to do good things - unfortunately, the language reduces the resolution of information.
ManageTheProblem vs. Returning an instance of ProblemDetails provides you with less useful info.
The context switch isn't worth the cost.
The authors were trying to do good things - unfortunately, the language reduces the resolution of information.
ManageTheProblem vs. Returning an instance of ProblemDetails provides you with less useful info.
The context switch isn't worth the cost.
February 17, 2025 at 2:15 PM
Still working my way through this codebase.
The authors were trying to do good things - unfortunately, the language reduces the resolution of information.
ManageTheProblem vs. Returning an instance of ProblemDetails provides you with less useful info.
The context switch isn't worth the cost.
The authors were trying to do good things - unfortunately, the language reduces the resolution of information.
ManageTheProblem vs. Returning an instance of ProblemDetails provides you with less useful info.
The context switch isn't worth the cost.
🚀 Improve ASP.NET Core API error handling with ProblemDetails! Deliver clear, structured error messages for better UX. #dotnet #aspnetcore #problemDetails #apidev
www.ottorinobruni.com/how-to-use-p...
www.ottorinobruni.com/how-to-use-p...
How to Use ProblemDetails in ASP.NET Core APIs for Better Error Handling - Ottorino Bruni
Learn how to improve error handling in your ASP.NET Core APIs using the ProblemDetails standard (RFC 9457). This guide shows how to structure meaningful error responses with minimal APIs, global excep...
www.ottorinobruni.com
September 15, 2025 at 9:57 AM
🚀 Improve ASP.NET Core API error handling with ProblemDetails! Deliver clear, structured error messages for better UX. #dotnet #aspnetcore #problemDetails #apidev
www.ottorinobruni.com/how-to-use-p...
www.ottorinobruni.com/how-to-use-p...
🚨 Vague errors confusing your API clients?
Use ProblemDetails in ASP.NET Core for clean, standardized error responses! 📋🔧
Guide: www.ottorinobruni.com/how-to-use-p...
How do you handle API errors? 👇
#dotnet #ASPNETCore #MinimalAPI
Use ProblemDetails in ASP.NET Core for clean, standardized error responses! 📋🔧
Guide: www.ottorinobruni.com/how-to-use-p...
How do you handle API errors? 👇
#dotnet #ASPNETCore #MinimalAPI
How to Use ProblemDetails in ASP.NET Core APIs for Better Error Handling - Ottorino Bruni
Learn how to improve error handling in your ASP.NET Core APIs using the ProblemDetails standard (RFC 9457). This guide shows how to structure meaningful error responses with minimal APIs, global excep...
www.ottorinobruni.com
September 30, 2026 at 9:15 AM
🚨 Vague errors confusing your API clients?
Use ProblemDetails in ASP.NET Core for clean, standardized error responses! 📋🔧
Guide: www.ottorinobruni.com/how-to-use-p...
How do you handle API errors? 👇
#dotnet #ASPNETCore #MinimalAPI
Use ProblemDetails in ASP.NET Core for clean, standardized error responses! 📋🔧
Guide: www.ottorinobruni.com/how-to-use-p...
How do you handle API errors? 👇
#dotnet #ASPNETCore #MinimalAPI
🚀 Boost Your ASP.NET Core APIs with ProblemDetails! 🛠️ Deliver clear, structured error messages for smarter error handling. #dotnet #aspnetcore #problemDetails #apidev
www.ottorinobruni.com/how-to-use-p...
www.ottorinobruni.com/how-to-use-p...
How to Use ProblemDetails in ASP.NET Core APIs for Better Error Handling - Ottorino Bruni
Learn how to improve error handling in your ASP.NET Core APIs using the ProblemDetails standard (RFC 9457). This guide shows how to structure meaningful error responses with minimal APIs, global excep...
www.ottorinobruni.com
August 19, 2025 at 2:16 PM
🚀 Boost Your ASP.NET Core APIs with ProblemDetails! 🛠️ Deliver clear, structured error messages for smarter error handling. #dotnet #aspnetcore #problemDetails #apidev
www.ottorinobruni.com/how-to-use-p...
www.ottorinobruni.com/how-to-use-p...
Make your ASP.NET Core APIs return cleaner, structured errors with 🛠️ ProblemDetails (RFC 9457)!
Guide + code 👇
www.ottorinobruni.com/how-to-use-p...
#dotnet #csharp #webapi #aspnetcore #devtips #cleancode 🚀
Guide + code 👇
www.ottorinobruni.com/how-to-use-p...
#dotnet #csharp #webapi #aspnetcore #devtips #cleancode 🚀
How to Use ProblemDetails in ASP.NET Core APIs for Better Error Handling - Ottorino Bruni
Introduction Every day, when building or maintaining our ASP.NET Core APIs, we often deal with returning basic responses like 200 OK or 404 Not Found. It works the client gets a response, the server d...
www.ottorinobruni.com
July 19, 2025 at 11:09 AM
Make your ASP.NET Core APIs return cleaner, structured errors with 🛠️ ProblemDetails (RFC 9457)!
Guide + code 👇
www.ottorinobruni.com/how-to-use-p...
#dotnet #csharp #webapi #aspnetcore #devtips #cleancode 🚀
Guide + code 👇
www.ottorinobruni.com/how-to-use-p...
#dotnet #csharp #webapi #aspnetcore #devtips #cleancode 🚀
Validation in .NET 10 Minimal APIs with ProblemDetails support: this the feature I contributed to, and it has been demonstrated today by @captainsafia.com during #dotnetconf youtube.com/clip/UgkxSQ6...
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November 11, 2025 at 8:56 PM
Validation in .NET 10 Minimal APIs with ProblemDetails support: this the feature I contributed to, and it has been demonstrated today by @captainsafia.com during #dotnetconf youtube.com/clip/UgkxSQ6...
🚨 Level up ASP.NET Core API errors with ProblemDetails! Return structured, user-friendly messages for smarter handling. #dotnet #aspnetcore #problemDetails #api
www.ottorinobruni.com/how-to-use-p...
www.ottorinobruni.com/how-to-use-p...
How to Use ProblemDetails in ASP.NET Core APIs for Better Error Handling - Ottorino Bruni
Learn how to improve error handling in your ASP.NET Core APIs using the ProblemDetails standard (RFC 9457). This guide shows how to structure meaningful error responses with minimal APIs, global excep...
www.ottorinobruni.com
September 22, 2025 at 9:33 AM
🚨 Level up ASP.NET Core API errors with ProblemDetails! Return structured, user-friendly messages for smarter handling. #dotnet #aspnetcore #problemDetails #api
www.ottorinobruni.com/how-to-use-p...
www.ottorinobruni.com/how-to-use-p...
Right, I'd probably use ProblemDetails for the response to the client from the API itself.
November 21, 2024 at 9:22 PM
Right, I'd probably use ProblemDetails for the response to the client from the API itself.
New one up 🗞️
"Adopting Problem Details for HTTP APIs"
In which I rant a bit, but also provide a glimpse into how we're approaching it at work.
#OpenApi #HttpApi #ProblemDetails #DotNet #CSharp
blog.codingmilitia.com/2025/07/15/a...
"Adopting Problem Details for HTTP APIs"
In which I rant a bit, but also provide a glimpse into how we're approaching it at work.
#OpenApi #HttpApi #ProblemDetails #DotNet #CSharp
blog.codingmilitia.com/2025/07/15/a...
Adopting Problem Details for HTTP APIs
Time for a quick post about Problem Details, and how we adopted it at work, in a way that’s actually useful.
blog.codingmilitia.com
July 15, 2025 at 2:07 PM
New one up 🗞️
"Adopting Problem Details for HTTP APIs"
In which I rant a bit, but also provide a glimpse into how we're approaching it at work.
#OpenApi #HttpApi #ProblemDetails #DotNet #CSharp
blog.codingmilitia.com/2025/07/15/a...
"Adopting Problem Details for HTTP APIs"
In which I rant a bit, but also provide a glimpse into how we're approaching it at work.
#OpenApi #HttpApi #ProblemDetails #DotNet #CSharp
blog.codingmilitia.com/2025/07/15/a...
🚀 Make Your ASP.NET Core APIs Smarter with ProblemDetails! 🛠️ Return clear, structured error messages for better error handling. #dotnet #aspnetcore #problemDetails #api
www.ottorinobruni.com/how-to-use-p...
www.ottorinobruni.com/how-to-use-p...
How to Use ProblemDetails in ASP.NET Core APIs for Better Error Handling - Ottorino Bruni
Introduction Every day, when building or maintaining our ASP.NET Core APIs, we often deal with returning basic responses like 200 OK or 404 Not Found. It works the client gets a response, the server d...
www.ottorinobruni.com
July 25, 2025 at 11:49 AM
🚀 Make Your ASP.NET Core APIs Smarter with ProblemDetails! 🛠️ Return clear, structured error messages for better error handling. #dotnet #aspnetcore #problemDetails #api
www.ottorinobruni.com/how-to-use-p...
www.ottorinobruni.com/how-to-use-p...
🚀 Enhance Your ASP.NET Core APIs with ProblemDetails! 🛠️ Deliver clear, structured error messages for smarter error handling. #dotnet #aspnetcore #problemDetails #api www.ottorinobruni.com/how-to-use-p...
How to Use ProblemDetails in ASP.NET Core APIs for Better Error Handling - Ottorino Bruni
Introduction Every day, when building or maintaining our ASP.NET Core APIs, we often deal with returning basic responses like 200 OK or 404 Not Found. It works the client gets a response, the server d...
www.ottorinobruni.com
July 22, 2025 at 6:50 AM
🚀 Enhance Your ASP.NET Core APIs with ProblemDetails! 🛠️ Deliver clear, structured error messages for smarter error handling. #dotnet #aspnetcore #problemDetails #api www.ottorinobruni.com/how-to-use-p...
🚀 Elevate Your ASP.NET Core APIs with ProblemDetails! 🛠️ Deliver structured, user-friendly error messages for smarter error handling. #dotnet #aspnetcore #problemDetails #api
www.ottorinobruni.com/how-to-use-p...
www.ottorinobruni.com/how-to-use-p...
How to Use ProblemDetails in ASP.NET Core APIs for Better Error Handling - Ottorino Bruni
Introduction Every day, when building or maintaining our ASP.NET Core APIs, we often deal with returning basic responses like 200 OK or 404 Not Found. It works the client gets a response, the server d...
www.ottorinobruni.com
July 20, 2025 at 9:32 AM
🚀 Elevate Your ASP.NET Core APIs with ProblemDetails! 🛠️ Deliver structured, user-friendly error messages for smarter error handling. #dotnet #aspnetcore #problemDetails #api
www.ottorinobruni.com/how-to-use-p...
www.ottorinobruni.com/how-to-use-p...
🚨 Vague errors confusing your API clients?
Use ProblemDetails in ASP.NET Core for clean, standardized error responses. Better debugging & UX! 📋🔧
Guide: www.ottorinobruni.com/how-to-use-p...
How do you handle API errors? 👇
#dotnet #ASPNETCore #MinimalAPI
Use ProblemDetails in ASP.NET Core for clean, standardized error responses. Better debugging & UX! 📋🔧
Guide: www.ottorinobruni.com/how-to-use-p...
How do you handle API errors? 👇
#dotnet #ASPNETCore #MinimalAPI
How to Use ProblemDetails in ASP.NET Core APIs for Better Error Handling - Ottorino Bruni
Learn how to improve error handling in your ASP.NET Core APIs using the ProblemDetails standard (RFC 9457). This guide shows how to structure meaningful error responses with minimal APIs, global excep...
www.ottorinobruni.com
May 31, 2026 at 3:05 PM
🚨 Vague errors confusing your API clients?
Use ProblemDetails in ASP.NET Core for clean, standardized error responses. Better debugging & UX! 📋🔧
Guide: www.ottorinobruni.com/how-to-use-p...
How do you handle API errors? 👇
#dotnet #ASPNETCore #MinimalAPI
Use ProblemDetails in ASP.NET Core for clean, standardized error responses. Better debugging & UX! 📋🔧
Guide: www.ottorinobruni.com/how-to-use-p...
How do you handle API errors? 👇
#dotnet #ASPNETCore #MinimalAPI
Released Mockly 1.7 + FluentAssertions.Mockly.
What's new?
Request header matching, generic For(HttpMethod)/Head/Options, ProblemDetails responses, file/stream/bytes responders, query & form matching, response headers, new assertions, and automatic agent skill registration.
mockly.org
What's new?
Request header matching, generic For(HttpMethod)/Head/Options, ProblemDetails responses, file/stream/bytes responders, query & form matching, response headers, new assertions, and automatic agent skill registration.
mockly.org
June 3, 2026 at 12:24 PM
Released Mockly 1.7 + FluentAssertions.Mockly.
What's new?
Request header matching, generic For(HttpMethod)/Head/Options, ProblemDetails responses, file/stream/bytes responders, query & form matching, response headers, new assertions, and automatic agent skill registration.
mockly.org
What's new?
Request header matching, generic For(HttpMethod)/Head/Options, ProblemDetails responses, file/stream/bytes responders, query & form matching, response headers, new assertions, and automatic agent skill registration.
mockly.org
This drop shows how IExceptionHandler tidies ASP.NET Core errors with chainable handlers and ProblemDetails. Plus quick hits on Aspire init, Zstandard in .NET 11, and multi-instance deployment.
#aspnetcore #dotnet #csharp
#aspnetcore #dotnet #csharp
.NET drip - Saturday, June 20, 2026
bbb.dev
June 22, 2026 at 1:00 PM
This drop shows how IExceptionHandler tidies ASP.NET Core errors with chainable handlers and ProblemDetails. Plus quick hits on Aspire init, Zstandard in .NET 11, and multi-instance deployment.
#aspnetcore #dotnet #csharp
#aspnetcore #dotnet #csharp
Reading problem+json does not need ASP.NET Core. Five properties plus a [JsonExtensionData] dictionary, and you keep traceId.
https://startdebugging.net/2026/09/how-to-consume-an-rfc-9457-problemdetails-response-from-a-typed-httpclient/?utm_source=bluesky&utm_medium=social&utm_campaign=auto
https://startdebugging.net/2026/09/how-to-consume-an-rfc-9457-problemdetails-response-from-a-typed-httpclient/?utm_source=bluesky&utm_medium=social&utm_campaign=auto
September 7, 2026 at 11:33 AM
Reading problem+json does not need ASP.NET Core. Five properties plus a [JsonExtensionData] dictionary, and you keep traceId.
https://startdebugging.net/2026/09/how-to-consume-an-rfc-9457-problemdetails-response-from-a-typed-httpclient/?utm_source=bluesky&utm_medium=social&utm_campaign=auto
https://startdebugging.net/2026/09/how-to-consume-an-rfc-9457-problemdetails-response-from-a-typed-httpclient/?utm_source=bluesky&utm_medium=social&utm_campaign=auto
What is populating "exception" in my ProblemDetails? https://old.reddit.com/r/dotnet/comments/1vh6oaj/what_is_populating_exception_in_my_problemdetails/
#dotnet
#dotnet
August 6, 2026 at 3:04 PM
What is populating "exception" in my ProblemDetails? https://old.reddit.com/r/dotnet/comments/1vh6oaj/what_is_populating_exception_in_my_problemdetails/
#dotnet
#dotnet
Stop validation drift in Blazor WASM. One Shared lib with FluentValidation 12, plus ProblemDetails routed back into EditContext.
https://startdebugging.net/2026/04/how-to-share-validation-logic-between-server-and-blazor-webassembly/?utm_source=bluesky&utm_medium=social&utm_campaign=auto
https://startdebugging.net/2026/04/how-to-share-validation-logic-between-server-and-blazor-webassembly/?utm_source=bluesky&utm_medium=social&utm_campaign=auto
April 29, 2026 at 6:26 AM
Stop validation drift in Blazor WASM. One Shared lib with FluentValidation 12, plus ProblemDetails routed back into EditContext.
https://startdebugging.net/2026/04/how-to-share-validation-logic-between-server-and-blazor-webassembly/?utm_source=bluesky&utm_medium=social&utm_campaign=auto
https://startdebugging.net/2026/04/how-to-share-validation-logic-between-server-and-blazor-webassembly/?utm_source=bluesky&utm_medium=social&utm_campaign=auto
Blogged: Handling Web API Exceptions with ProblemDetails middleware https://t.co/dHzdHbEyyM #AspNetCore #dotnetcore #dotnet @khellang
May 19, 2020 at 4:38 PM
Blogged: Handling Web API Exceptions with ProblemDetails middleware https://t.co/dHzdHbEyyM #AspNetCore #dotnetcore #dotnet @khellang
In #dotnet there are now easy ways to work with the new ProblemDetails return messages: www.youtube.com/watch?v=-TGZ...
Thanks, @nickchapsas.bsky.social
#csharp #fsharp
Thanks, @nickchapsas.bsky.social
#csharp #fsharp
The Right Way To Return API Errors in .NET
YouTube video by Nick Chapsas
www.youtube.com
November 13, 2024 at 9:14 AM
In #dotnet there are now easy ways to work with the new ProblemDetails return messages: www.youtube.com/watch?v=-TGZ...
Thanks, @nickchapsas.bsky.social
#csharp #fsharp
Thanks, @nickchapsas.bsky.social
#csharp #fsharp
👉 “How do you handle errors in your APIs? ProblemDetails in .NET 9 is pretty neat” https://old.reddit.com/r/csharp/comments/1n651fi/how_do_you_handle_errors_in_your_apis/
#csharp #dotnet
#csharp #dotnet
September 2, 2025 at 12:23 AM
👉 “How do you handle errors in your APIs? ProblemDetails in .NET 9 is pretty neat” https://old.reddit.com/r/csharp/comments/1n651fi/how_do_you_handle_errors_in_your_apis/
#csharp #dotnet
#csharp #dotnet