I have exported a base view as a REST Web Service and used Postman successfully to issue GET, POST, and PUT commands to the web service. This link has examples of both PUT and POST operations, using either JSON or XML:
Ensure that the HTTP method is properly set to PUT or POST, and that the correct HTTP Headers are added. For example, if using JSON:
HTTP Method = POST
HTTP Header Accept = application/json
HTTP Header Content-Type = application/json
Body of the request:
, "summary": "New incidence"
, "taxid": "B99999999"
, "specific_field1": null
, "specific_field2": null
The body needs to be customized according to the underlying view. You need to understand what values it would expect as non-null, and what values might be constrained by a primary key, requiring a unique value.
Hope this helps.