Getting Swagger API Pages for Watson APIs


In the past couple of weeks, I have seen a few comments from my customers complaining about the lack of “sufficient” API documentation for the various Watson API’s. I used to like to point my customers to the Swagger API documentation, but I can’t seem to find it anymore. So I asked some of my fellow IBM folks if they knew where these pages were. They didn’t know, they just had some vague notion that they were no longer supported.

I miss those Swagger API pages – so I found out how to get them. The IBM development teams no longer host these pages, but you can generate them for yourself, whenever you want, but just following this short little guide.

Go Ahead – Get That Swagger

Step 1 – Figure out which API you want to generate a Swagger page for. Go to the IBM Cloud catalog, and select the service that you want to see. For the purposes of this example, I’ll go and look at the Watson Assistant service.

Step 2 – Get to the API Documentation page by clicking on the link titled View API Docs – as shown below.

Step 2a – You can skip all of this hassle by just going to the IBM Cloud API Docs page, and then selecting the specific API documentation page that you are looking for (which in our case is Watson Assistant v1). This is much quicker – and easier to bookmark and remember.

Step 3 – You are now on the Watson Assistant API (V1) page. Look for the ellipsis in the white text portion of the UI, as shown below, and click on it. Save a version of the API by selecting Download OpenAPI Definition. This will download a JSON file to your local machine.

Step 4 – Open a new browser window, and go to the web-based Swagger editor.

Step 5 – In the Swagger editor window, select File -> Import File. Then select your recently downloaded Watson API JSON file (from Step 3).

You can now look at the Swagger API version of the Watson API documentation. This allows you to see all of the API calls for the service, along with the various parameters, and the responses. It also allows you to try to use the interface in an interactive manner. Pretty nice!!

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