Try adding a procedure that uses a select on the remote source and if you have issues make sure to add the withFullResponse option at the end of your Rest call to get any additional header errors.
https://internal.vantiq.com/docs/system/sources/remote/index.html#receiving-the-full-response
Just add a asFullresponse=true to your with clause.
Per Kens comment if you can curl the web service or postman it then the Vantiq remote source can most likely connect to it as well.
Try adding a procedure that uses a select on the remote source and if you have issues make sure to add the withFullResponse option at the end of your Rest call to get any additional header errors.
https://internal.vantiq.com/docs/system/sources/remote/index.html#receiving-the-full-response
Just add a asFullresponse=true to your with clause.
Per Kens comment if you can curl the web service or postman it then the Vantiq remote source can most likely connect to it as well.