I will fix web API bugs and errors fast

.NET API Bug Fix - 500 Error / CORS / JWT Fixed in 24 Hours

Is your .NET API returning 500 Internal Server Error? CORS blocked? 400 Bad Request? JWT Authentication failing? API down in production?

I will fix it TODAY. No more downtime.

WHAT I FIX:

> 500 Internal Server Error - Null reference, exception, stack trace

> CORS Error - No Access-Control-Allow-Origin header

> 400 Bad Request - Model validation, JSON binding

> 401/403 Unauthorized - JWT token expired, Identity issue

> API Timeout - Slow SQL query, deadlock

> Entity Framework Core - LINQ error, DbContext issue

> Dependency Injection & Swagger issue

> API not calling from Angular/React frontend

MY STACK:

.NET 6/7/8, ASP.NET Web API, EF Core, SQL Server, JWT Bearer, LINQ, Postman, Swagger, Azure/IIS

WHAT YOU GET:

BASIC ($20) - 1 Bug Fix

- Root cause found + fixed

- Tested - 200 OK proof

- Clean code with comments

STANDARD ($45) - 3 Bugs Fix [MOST POPULAR]

- 3 bugs fixed - Auth/EF/LINQ/Validation/Timeout

- Postman collection + video proof

- Code comments explaining fix

PREMIUM ($90) - Production Down Urgent

- Complex production bug fixed

- Full API audit + performance fix

- Fix documentation + 7 days support