Finnhub Stock API

https://finnhub.io/ Quote Get real-time quote data for US stocks. Constant polling is not recommended. Use websocket if you need real-time updates. Real-time stock prices for international markets are supported for Enterprise clients via our partner’s feed. Contact Us to learn more. Method: GET Examples: Response Attribute Description c Current price

Create a gRPC client and server in ASP.NET Core

Warning ASP.NET Core gRPC is not currently supported on Azure App Service or IIS. The HTTP/2 implementation of Http.Sys does not support HTTP response trailing headers which gRPC relies on. For more information, see this GitHub issue. Sources: Create a .NET Core gRPC client and server in ASP.NET Core | Microsoft Docs

.NET Web API Return JSON instead of XML

By default, Web API returns both XML and JSON depending the the client. You the specifically specify what format you return. Bounding WebAPI to send only json formatted data Now there are cases where we want our application to receive only JSON formatted data irrespective of the ACCEPT header value. To achieve this, add a... » read more

Web Api Help Pages

Setup Note: When setting up Web Api Help Pages, make sure to enable it in your app, else the description field will not work. Go to Areas\HelpPage\App_Start\HelpPageConfig.cs. Around line 36, you’ll want to make sure you uncommented the line as below: Go to Project=>Properties=>Build. Under Output, make sure the “XML documentation file” box is checked,... » read more

MaxReceivedMessageSize Error

Error: WCF Client returns the following error … System.ServiceModel.CommunicationException: The maximum message size quota for incoming messages (65536) has been exceeded. To increase the quota, use the MaxReceivedMessageSize property on the appropriate binding element. Fix: Note: This is a client setting, not a server setting. For WCF Test Client Right Click on “Config File” ->... » read more

Blazor REST API

https://learn-blazor.com/architecture/rest-api/ https://github.com/software-architects/learn-blazor/tree/master/samples/RestApi

No connection could be made because the target machine actively refused it

Error: An unhandled exception occurred while processing the request. SocketException: No connection could be made because the target machine actively refused it. System.Net.Http.ConnectHelper.ConnectAsync(string host, int port, CancellationToken cancellationToken) HttpRequestException: No connection could be made because the target machine actively refused it. System.Net.Http.ConnectHelper.ConnectAsync(string host, int port, CancellationToken cancellationToken) Fix: In solutions with both web api and... » read more

Web Service API Blazor CORS Error

Error: Get the following error when trying to access api call from external sites. Access to fetch at xxxx from origin xxxx has been blocked by CORS policy: No ‘Access-Control-Allow-Origin’ header is present on the requested resource. If an opaque response serves your needs, set the request’s mode to ‘no-cors’ to fetch the resource with... » read more