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+<a class="github" href="exceptions.py"></a>
+
+# Exceptions
+
+> Exceptions… allow error handling to be organized cleanly in a central or high-level place within the program structure.
+>
+> &mdash; Doug Hellmann, [Python Exception Handling Techniques][cite]
+
+## Exception handling in REST framework views
+
+REST framework's views handle various exceptions, and deal with returning appropriate error responses.
+
+The handled exceptions are:
+
+* Subclasses of `APIException` raised inside REST framework.
+* Django's `Http404` exception.
+* Django's `PermissionDenied` exception.
+
+In each case, REST framework will return a response with an appropriate status code and content-type.  The body of the response will include any additional details regarding the nature of the error.
+
+By default all error responses will include a key `details` in the body of the response, but other keys may also be included.
+
+For example, the following request:
+
+    DELETE http://api.example.com/foo/bar HTTP/1.1
+    Accept: application/json
+
+Might receive an error response indicating that the `DELETE` method is not allowed on that resource:
+
+    HTTP/1.1 405 Method Not Allowed
+    Content-Type: application/json; charset=utf-8
+    Content-Length: 42
+    
+    {"detail": "Method 'DELETE' not allowed."}
+
+---
+
+# API Reference
+
+## APIException
+
+**Signature:** `APIException(detail=None)`
+
+The **base class** for all exceptions raised inside REST framework.
+
+To provide a custom exception, subclass `APIException` and set the `.status_code` and `.detail` properties on the class.
+
+## ParseError
+
+**Signature:** `ParseError(detail=None)`
+
+Raised if the request contains malformed data when accessing `request.DATA` or `request.FILES`.
+
+By default this exception results in a response with the HTTP status code "400 Bad Request".
+
+## PermissionDenied
+
+**Signature:** `PermissionDenied(detail=None)`
+
+Raised when an incoming request fails the permission checks.
+
+By default this exception results in a response with the HTTP status code "403 Forbidden".
+
+## MethodNotAllowed
+
+**Signature:** `MethodNotAllowed(method, detail=None)`
+
+Raised when an incoming request occurs that does not map to a handler method on the view.
+
+By default this exception results in a response with the HTTP status code "405 Method Not Allowed".
+
+## UnsupportedMediaType
+
+**Signature:** `UnsupportedMediaType(media_type, detail=None)`
+
+Raised if there are no parsers that can handle the content type of the request data when accessing `request.DATA` or `request.FILES`.
+
+By default this exception results in a response with the HTTP status code "415 Unsupported Media Type".
+
+## Throttled
+
+**Signature:** `Throttled(wait=None, detail=None)`
+
+Raised when an incoming request fails the throttling checks.
+
+By default this exception results in a response with the HTTP status code "429 Too Many Requests".
+
+[cite]: http://www.doughellmann.com/articles/how-tos/python-exception-handling/index.html