API Docs

Can I Take This Class offers a prediction API to enable other applications to build on its data. The format of the API is outlined below.

API Reference

URL

http://canitakethisclass.com/api

Format

JSON

Types

• Course: A string containing a 2-4 character subject code (case insensitive) followed by a 3-digit course number.
• Date: A string in the format "YYYY-MM-DD".
• Chance: An object containing two floats in the range [0, 1]: percent, the likelihood of an event; and error, the standard error of the likelihood.
• Prediction: An object containing two Chances: on_date, the likelihood of being able to register on the given date; and after_date, the likelihood of being able to register after the given date.

Parameters

• String courses: A comma-separated list of Courses.
• Date date: The registration date.

Result

• String error: If an error occurred, contains a description of the error. Will not exist if an error did not occur.
• Prediction overall: The likelihood of getting into all of the requested courses.
• Object courses: An object containing, for each requested course:
  • Prediction overall: The likelihood of getting into the course.
  • Object sections: An object containing the Prediction for each section in the course.

Example

Request URL

http://canitakethisclass.com/api?courses=cs225,cs233&date=2016-04-11

Response

Formatted for clarity. The actual response is minified.

{
  "overall": {
    "on_date": {
      "percent": 0.9643,
      "error": 0.034408792480992
    },
    "after_date": {
      "percent": 0.25875,
      "error": 0.02229142148461
    }
  },
  "courses": {
    "cs225": {
      "overall": {
        "on_date": {
          "percent": 0.9643,
          "error": 0.034408792480992
        },
        "after_date": {
          "percent": 0.25875,
          "error": 0.02229142148461
        }
      },
      "sections": {
        "Laboratory-Discussion": {
          "on_date": {
            "percent": 0.9647,
            "error": 0.011427165922999
          },
          "after_date": {
            "percent": 0.5779,
            "error": 0.0088835322571266
          }
        },
        "Lecture": {
          "on_date": {
            "percent": 0.9643,
            "error": 0.034408792480992
          },
          "after_date": {
            "percent": 0.25875,
            "error": 0.02229142148461
          }
        }
      }
    },
    "cs233": {
      "overall": {
        "on_date": {
          "percent": 1,
          "error": 0
        },
        "after_date": {
          "percent": 0.58585,
          "error": 0.028675014339463
        }
      },
      "sections": {
        "Discussion\/Recitation": {
          "on_date": {
            "percent": 1,
            "error": 0
          },
          "after_date": {
            "percent": 0.6792,
            "error": 0.010438972608586
          }
        },
        "Lecture": {
          "on_date": {
            "percent": 1,
            "error": 0
          },
          "after_date": {
            "percent": 0.58585,
            "error": 0.028675014339463
          }
        }
      }
    }
  }
}