After you create a Postman Collection, you can use it to save and organize API requests. Use any of the methods below to add requests to a collection. You can add HTTP requests to a collection, or you can add requests that use other protocols to a multi-protocol collection.
Learn more about creating and sending requests.
You can add a request to a new collection by doing the following:
Hover over the collection in the sidebar and click Add request.
Expand the new collection and click Add Request.
Hover over the collection in the sidebar, click View more actions, then select Add request.

To save a new request directly to a collection, you can do the following:
You can also open the request and select Save > Save as, then select the collection you want to move it to.
You can add non-HTTP requests to a collection, which then becomes a multi-protocol collection.
To create a multi-protocol collection, do the following: