In this very small post we will see how to migrate your NestJS APIs to Postman with the help of NestJS Swagger package.
According to NestJS docs - @nestjs/swagger allows you to download the swagger JSON config by adding -json to the URL. For example, if your swagger is available at http://localhost:3000/api, you can download the JSON config from http://localhost:3000/api-json:
After saving that JSON file on your drive - you can import it to a Postman collection by clicking on main menu File -> Import, selecting saved JSON file and clicking Import button:
After import is finished - you will see a new collection in your Postman:
