FaucetPanel API is 
VERY EASY to use on any micro bitcoin paying site. 
You need CURL (file_get_contents) to be Enabled on your server.
After you submit your site (Title & URL) you will get a random secret key. 
API secret key (Hash) is needed to Send Micro Payments. 
Here is example PHP to send 75 satoshi:
 $result in PHP can be one of these values:
    
        
            | $result | 
            Info | 
        
            
                | paid | 
                Transaction has been Sent with Successful. | 
            
            
                | hash_error | 
                API Secret Key is Invalid. | 
            
            
                | insufficient_funds | 
                You do not have enough balance to make the payment. | 
            
            
                | invalid_amount | 
                Payment Amount is Negative or Invalid. | 
            
            
                | limit_reach | 
                Website was reached the limit you set. | 
            
            
                | IP_Access_Denied | 
                API request is blocked because of IP Restrict you set. |