A services defines some resource and what exactly you can do with it. Click on the service methods to expand details.
ProTip! You can quickly tests services using curl - Here is an example:
$ curl -v -su '' -H 'Accept-Version: v10' https://api.quickpay.net/ping
Enter host password for user '': <enter your api key here>
As a more GUI-oriented alternative is using the webservice Postman.