$ wsk api create /apigw GET apigw -n /apigw
ok: created API /apigw GET for action /_/apigw
$ wsk api list -f
ok: APIs
Action: /19FT_dev/apigw
API Name: /apigw
Base path: /
Path: /apigw
Verb: get
URL: https://service.eu.apiconnect.ibmcloud.com/gws/apigateway/api/2fbc3abd90af940c23779ab56f8863f05763e60eb3c364895f258b04a5d38be1/apigw
$ wsk api delete /apigw
error: Unable to delete API: API deletion failure: API '/apigw' does not exist.
Deleting with
wsk api delete /
works.