A testing method which echo's all parameters back in the response.
Arguments
api_key (Required)
Your API application key. Your api key is available on your settings page.
Example Response
<method>echo</method>
<foo>bar</foo>
Error Codes
100: Invalid API Key
The API key passed was not valid or has expired.
101: Method "xxx" not found
The requested method was not found.
164: An API key must be used by X devices. Configurable in your settings.
You can only use an API key from X devices. You can set the exact number on your settings page. If you need to use the web API from multiple servers then create another user. You can also temporarily reset this message by logging into the account for which the API key is created and resetting the last used IP address on your settings page.
168: LimeLM web API only supports POST over HTTPS.