Pulp

http://pulp.readthedocs.org/en/latest/dev-guide/integration/rest-api/consumer/bind.html#retrieve-binding-by-consumer-and-repository

$ curl -H "Accept: application/json" -X GET -k -u admin:admin 'https://localhost/pulp/api/v2/consumers/any_consumer/bindings/any_repo/'

{
    "_href": "/pulp/api/v2/consumers/any_consumer/bindings/any_repo/",
    "error_message": "Not a query object: any_repo. Did you intend to use key=value?",
    "exception": [
        "InvalidQueryError: Not a query object: any_repo. Did you intend to use key=value?\n"
    ],
    "http_request_method": "GET",
    "http_status": 500,
    "traceback": [
        "  File \"/usr/lib/python2.7/site-packages/django/core/handlers/base.py\", line 132, in get_response\n    response = wrapped_callback(request, *callback_args, **callback_kwargs)\n",
        "  File \"/usr/lib/python2.7/site-packages/django/views/generic/base.py\", line 71, in view\n    return self.dispatch(request, *args, **kwargs)\n",
        "  File \"/usr/lib/python2.7/site-packages/django/views/generic/base.py\", line 89, in dispatch\n    return handler(request, *args, **kwargs)\n",
        "  File \"/home/user1/devel/pulp/server/pulp/server/webservices/views/decorators.py\", line 241, in _auth_decorator\n    return _verify_auth(self, operation, super_user_only, method, *args, **kwargs)\n",
        "  File \"/home/user1/devel/pulp/server/pulp/server/webservices/views/decorators.py\", line 195, in _verify_auth\n    value = method(self, *args, **kwargs)\n",
        "  File \"/home/user1/devel/pulp/server/pulp/server/webservices/views/consumers.py\", line 361, in get\n    repo = model.Repository.objects(repo_id).first()\n",
        "  File \"/usr/lib/python2.7/site-packages/mongoengine/queryset/base.py\", line 109, in __call__\n    raise InvalidQueryError(msg)\n"
    ]
}

Same problem with consumer_groups repo binding/unbinding
http://pulp.readthedocs.org/en/latest/dev-guide/integration/rest-api/consumer/group/bind.html