curl --request POST \
  --url https://sandbox-platform.jupico.com/v1/customers/update \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "customerId": "",
  "subMerchantId": "jpt-sim-md-1",
  "name": "John Doe 33",
  "email": "johndoe@jdoe.com",
  "phone": "012345678"
}
'

import requests

url = "https://sandbox-platform.jupico.com/v1/customers/update"

payload = {
    "customerId": "",
    "subMerchantId": "jpt-sim-md-1",
    "name": "John Doe 33",
    "email": "johndoe@jdoe.com",
    "phone": "012345678"
}
headers = {
    "Authorization": "Basic <encoded-value>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Basic <encoded-value>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    customerId: '',
    subMerchantId: 'jpt-sim-md-1',
    name: 'John Doe 33',
    email: 'johndoe@jdoe.com',
    phone: '012345678'
  })
};

fetch('https://sandbox-platform.jupico.com/v1/customers/update', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

const url = 'https://sandbox-platform.jupico.com/v1/customers/update';
const options = {
  method: 'POST',
  headers: {Authorization: 'Basic <encoded-value>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    customerId: '',
    subMerchantId: 'jpt-sim-md-1',
    name: 'John Doe 33',
    email: 'johndoe@jdoe.com',
    phone: '012345678'
  })
};

fetch(url, options)
  .then(res => res.json())
  .then(json => console.log(json))
  .catch(err => console.error(err));

{
  "customerId": "<string>",
  "subMerchantId": "<string>",
  "name": "<string>",
  "email": "<string>",
  "phone": "<string>"
}