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FAQ about HTTP-alerts

HTTP-alert: what is it?
We send GET request with parameters described below to your script when checked service become offline or online. For example we check http://site.com/. When it will be offline we will send GET request to http://another-site.com/script.php.
What parameters do you send in HTTP-alerts?
  1. id — ID of the task.
  2. time — timestamp.
  3. skey — md5([secret key used when create HTTP-alert][id of the task][time]). This parameter we will send only if you input secret key when create HTTP-alert.
  4. status — status of the task: “OK” if checked service is online after it was offline; not “OK” if we found error (error description will be in this parameter).
  5. tm — monitoring point which receive last result if you choose algorithm not “Auto”.
  6. tip — if HTTP-alert about blacklist check we will send here “blacklist”; if HTTP-alert about WHOIS information change we will send here “whois”.
What answer must my script send?
Your script must answer with HTTP-code 200–399.
What will be if my script doesn't answer?
We send request again one time after several seconds.
What is the price of HTTP-alerts?
Free.

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