Now we offer wordpress plugin works with screenshot-web.com API.
Go to signup page (https://screenshot-web.com/login)
You can sign up with your email or facebook/GitHub account.
Move on to setting page after you login
Copy your API KEY on settings page
Download plugin from wordpress plugin directory.
Upload plugin files to "plugins/wp-rwd-capture" directory.
GitHub is available too.
Or
Search plugin on new plugin installation page as follows
Once you activate the plugin, "Capture Settings" shows up at the left navigation.
Move on to the setting page and fill API KEY and hit "Save Changes".
Please leave "API Endpoint" and "UA Template Endpoint" default
Basic usage example listed here. Please see more in detail on your plugin configuration page.
Now you're all set. Enjoy!