In this case it’s application/json, you can tell from the curl sample, because it comes after the “Content-type”.The Data Type that we’ll be sending for the input.To learn more about the HTTP Methods check out Tutorials Point In this case it’s a POST, you can tell from the curl sample, because it comes after the “-X”).A URL to connect to the API (where do we want to connect to?).In order to send a request to an API, we need to have the following: They both have the four aspects of an API in this specific case. Remember how we talked about the below four aspects of an API in my first blog post? It’ll all come together with this exampleĪs I mentioned earlier, a Webhook is not an API, but they work the same for the purpose of this tutorial. To learn more about curl, you can go to the official website. We can take this information to send the message using Postman. ![]() You’ll notice there’s a Sample curl request to post to a channel. In your webhook configuration, you’ll also notice that you now have a Webhook URL to send messages to that channel. Now if you go to your Slack channel, you’ll notice a message saying the new integration was added. Scroll down to select “Add New Webhook to Workspace” and select the channel you want to post messages to. They make use of normal HTTP requests with a JSON payload, which includes the message and a few other optional details. Go to the “Incoming Webhooks” option from the “Features” menu and Activate Incoming Webhooks.Īs you can see in the description: Incoming webhooks are a simple way to post messages from external sources into Slack. I won’t get into the details for the purpose of this tutorial, but we’ll see the difference in a following post. It has a URL, a JSON Data Type, and the operation to send in the Request would be a POST. A Webhook is not exactly an API, but it works very similar in this case. Next, we’ll add an Incoming Webhook to post messages to our channel. This is just an optional step if you want to personalize it. There you can change the App Name, description, icon and background color. If you scroll down, you’ll see the “Display Information” menu. We’ll stick to the basics for this tutorial.Ĭlick the big “Create an App” button, write an App Name and select your Workspace. You can follow these links if you want to learn more about Slack Apps. You’ll notice the “Start here” menu on the left. Go to and Select “Your Apps” in the top right corner. Next, click on “Build” in the top right corner and this will take you to Creating your first Slack App This will open a browser window for your workspace. In our case, we’ll be creating our own app to connect to this channel, so we’ll click on “View App Directory”. If you click on “Add an app” you’ll notice all the different apps you can integrate with this Slack channel. You’ll notice an “Add an app” link, right next to the “Add people to this private channel” link under the channel heading. Getting startedįirst, create a new channel in your Slack organization. Slack apps enhance internal communication and automate all kinds of marvelous or mundane tasks. Slack also created its own API to integrate several apps to your workspace, which is what we’ll be going through in this post. ![]() It has different features that make communication easier like being able to create topical channels people can subscribe to, private groups for specific people, and much more. Slack is an instant messaging application used by teams within an organization. It has a user-friendly interface for creating Requests and reading Responses without having to know the specific Terminal commands or having to create a program to connect with an API. Postman is a tool used to interact with APIs. Important informationįor this exercise, we’ll be using Postman and Slack. You know what an application programming interface (API) is and why they’re important for your business, right? If not, check out my previous posts Introduction to APIs – Part 1 and Part 2!įor this two-part post series, we’ll go through examples of how to use Slack’s APIs to build our own personalized applications, or apps, to send messages in Slack channels. Build personalized applications with Slack’s APIs – Part 1
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