Hi there!

Because the API uses a key, I'd like to ask if a request can be created so that, on application start (and, during runtime), you can ask whether your key is valid, and get back information about your current request quota (and any other pertinent information, such as possible downtime.

    http://api.stackoverflow.com/n.n/about/{key}

**Returns**

    {
      "about": [
        "documentation": "Gets the status and quota of the account associated with 'key'.",
        "parameters": {
          "quota_used": {
            "description": "how many requests have been used against the current IP address",
            "values": "number"
          },
          "quota_remaining": {
            "description": "how many requests are available against the current IP address",
            "values": "number"
          },
          "next_downtime": {
            "description": "when (if any) the next expected downtime period will be",
            "values": "number"
          },
          "api_version": {
            "version": {
              "description": "api version",
              "values": "string"
            },
            "revision": {
              "description": "site revision",
              "values": "string"
            }
          }
        }
      ]
    }