Call mathpix api in ionic

http://docs.mathpix.com/?shell#introduction

Curl

curl -X POST https://api.mathpix.com/v3/latex \
    -H 'app_id: trial' \
    -H 'app_key: 34f1a4cea0eaca8540c95908b4dc84ab' \
    -H 'Content-Type: application/json' \
    --data '{ "url": "data:image/jpeg;base64,'$(base64 -i limit.jpg)'" }'

Python

#!/usr/bin/env python
import sys
import base64
import requests
import json

# put desired file path here
file_path = 'limit.jpg'
image_uri = "data:image/jpg;base64," + base64.b64encode(open(file_path, "rb").read())
r = requests.post("https://api.mathpix.com/v3/latex",
    data=json.dumps({'url': image_uri}),
    headers={"app_id": "trial", "app_key": "34f1a4cea0eaca8540c95908b4dc84ab",
            "Content-type": "application/json"})
print json.dumps(json.loads(r.text), indent=4, sort_keys=True)

How to make it work in Ionic?