12/26/2023 0 Comments Twilio send sms mcc mnc![]() ![]() ![]() If your app returns plain text then this is sent straight back as a reply to the original SMS. The incoming SMS is converted into an HTTP request which Twilio makes to a URL you provide, and your app's response is used as the reply. You have to create a web app to handle HTTP requests. Webhooks are a flexible way to handle incoming SMS with Twilio. Modify your app to handle Twilio's SMS webhooks Buy and configure a phone number from Twilio to use your app.Modify your app to handle Twilio's SMS webhooks.Now that you know how to create a web app with Micronaut, it's only a few more steps to be able to receive and reply to SMS messages using a Twilio phone number: Run the app as before, and you can see the code in action by browsing to or with the name parameter at Handle SMS from Twilio with Micronaut Specifying an Optional for the means that the name parameter in the URL is, well, optional. Micronaut defaults to application/json for the response's content type but because this function is returning a String use produces = MediaType.TEXT_PLAIN with the annotation. Let's fix that.Īdd a new Java class called HelloController in the same package as the Application class, with this code:īy adding the annotation you're telling Micronaut that this class will handle HTTP requests for that path, and the annotation says to use the index method for GET requests. You can run it now, but you haven't added any code yet so you will have an app running at which returns a 404 for any URL. You can run it from your IDE or on the CLI with. The main() method is how you will start the application. You won't need to edit any of these for this project, but it's good to see what's there. An Application class with a main() method.A pom.xml file with some dependencies and plugins already configured. ![]() A README.md file with helpful links to documentation and guides for Micronaut.Build your first Micronaut web appįirst, let's look at what's already in the project: Now that you've generated the project, loaded it into your IDE, and configured the annotation processing, it's time to get coding. In IntelliJ it is done in the Preferences like this: This is one of the ways that Micronaut keeps its promise of fast startup and low memory usage. You will need to enable annotation processing to enable Micronaut to do a lot of work when your app is compiled, rather than every time it starts up. I'm a fan of the JetBrains IDEs so I use IntelliJ IDEA for Java. Install the Micronaut tool and generate a new project with the following commands:Įither way, you will now have the same project files in a folder called twilio-micronaut, so import the project into your favourite Java IDE. If you prefer to use a CLI tool, a convenient way to install mn is with SDKMAN, which I recommend for managing installations of Java and other useful tools. Set the project name to "twilio-micronaut"Ĭlick "Generate Project" then "Download ZIP" and unzip the file once it's downloaded.You can set up and download a starter for your project from or by using the mn command line tool. ngrok or a similar tool to create public URLs for localhost servers.Sign up here if you don't have one, a trial account is fine I used Java 18 but anything from 11 onward will work If you're interested in starting your Micronaut journey or looking to learn enough to start building your next Twilio app with it, then read on. In this post I'll show how to set up a web app with Micronaut to handle Twilio webhooks for incoming SMS so your app can reply to them automatically. You might be familiar with Spring Boot as a popular framework in this space, and Baeldung has an overview article comparing it with Micronaut. It aims for fast startup and low memory overhead for your web applications, and supports Java, Kotlin, and Groovy, with an eye on Scala support in the future. Micronaut is a framework for building JVM web and serverless apps, first released in 2018. ![]()
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