![]() However, modern phones and mobile networks support message concatenation, which enables longer messages to be sent. Going forward from v6.0.0, use the ValidateRequest attribute without any parameters.A single SMS message technically supports up to 160 characters, or up to 70 if the message contains one or more Unicode characters (such as emoji or Chinese characters). To resolve these issues, we had to remove the constructor parameters and properties from the ValidateRequest attribute and use external configuration to configure request validation. Each environment may require a different configuration, but there's no easy way to do that. Depending on where you're deploying your application (dev/staging/production environments), your configuration would be hard-coded and could not be changed.Hard-coding the auth token into code meant that this sensitive secret would be embedded in the DLL-files and also tracked in source control systems, both of which increased the chance of leaking the auth token.This worked great, but you had to configure the request validation in code, which introduced some challenges: Now any requests made to the SmsController.Index action would first be validated by the ValidateRequest attribute and if the request did not originate from Twilio, an HTTP 403 Forbidden status code would be responded with. Here's how you set the log level to Information using appsettings.json: You can control the log level via configuration using the following log categories: .Twilio.LogicalHandler and .Twilio.ClientHandler. HttpClient objects created by the HTTP client factory are also configured to log HTTP requests. AddTwilioClient is more reliable and performant. In short, using the TwilioRestClient configured by. AddTwilioClient uses the HTTP client factory APIs to retrieve an HttpClient and supplies it to the TwilioRestClient constructor. To avoid this issue and improve performance. On the other hand, if you create a new TwilioRestClient for every API call, a new HttpClient will also be created for every API call which could lead to socket exhaustion.īy using TwilioRestClient instead of the static TwilioClient, you already avoid the DNS staleness issues, but you could still run out of network sockets. Since the TwilioClient holds on to a singleton of TwilioRestClient, TwilioClient will use a single HttpClient until you restart your application which can lead to DNS stalenes. ![]() Unless you pass in your own HTTP client to the TwilioRestClient constructor, it will create a new HttpClient for every instance. TwilioClient and TwilioRestClient use the HttpClient class to send HTTP requests to the Twilio APIs. NET SDK provides a static TwilioClient class to authenticate:
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