`Im trying to read an nested api. The record nodes is nested in level 3, and I need a subvalue of to the parent. When reading the parent I get the object, but reading a sub key it returns a Key error: JSON object: data={ 'results': [ { 'id':1, "x": [{ "state": "Florida", "shortname": "FL", "info": {"governor": "Rick Scott"}, "counties": [ {"name": "Dade", "population": 12345}, {"name": "Broward", "population": 40000}, {"name": "Palm Beach", "population": 60000}, ], }, { "state": "Ohio", "shortname": "OH", "info": {"governor": "John Kasich"}, "counties": [ {"name": "Summit", "population": 1234}, {"name": "Cuyahoga", "population": 1337}, ], }], "Y": {'TEST':1} }, { 'id':2, "x":[{ "state": "Ohio", "shortname": "OH", "info": {"governor": "John Kasich"}, "counties": [ {"name": "Summit", "population": 1234}, {"name": "Cuyahoga", "population": 1337}, ], }], "Y": {'TEST':1} } ] } Json normalize call, which gives error: KeyError: "Key 'TEST' not found. To replace missing values of 'TEST' with np.nan, pass in errors='ignore'" result = pd.json_normalize( record_path=data["results"], meta=['x', "counties"][["x", "state"], ["x", "info", "governor"], "Y", ["Y", "TEST"]], ) With error = "ignore" the following dataframe is returned. name population x.state x.info.governor Y Y.TEST 0 Dade 12345 Florida Rick Scott {'TEST': 1} NaN 1 Broward 40000 Florida Rick Scott {'TEST': 1} NaN 2 Palm Beach 60000 Florida Rick Scott {'TEST': 1} NaN 3 Summit 1234 Ohio John Kasich {'TEST': 1} NaN 4 Cuyahoga 1337 Ohio John Kasich {'TEST': 1} NaN 5 Summit 1234 Ohio John Kasich {'TEST': 1} NaN 6 Cuyahoga 1337 Ohio John Kasich {'TEST': 1} NaN Continue reading...