downloadEmfitAPI.py

# Demonstrate data download from Emfit API

# Config
remember_token="XXXXXXXX"  # token returned from API login
device_id=666  # Your own device id number

from_date = "2017-01-01"
to_date = "2017-01-14"
# End of config

import json
import pandas as pd
import matplotlib.pyplot as plt
import requests


url = "https://api-qs.emfit.com/v3/trends/%d/%s/%s?remember_token=%s"

resp = requests.get(url % (device_id, from_date, to_date, remember_token))
if not resp.ok:
        raise Exception("Failed to fetch")

emfit = json.loads(resp.text)
df = pd.DataFrame(emfit["data"]).set_index("date")

df.meas_hr_min.plot()
df.meas_hr_min_sma.plot()
plt.show()

Should plot something like this