Add line item

curl --request POST \
  --url https://api.staging.streamlinedpayments.com/api/v1/orders/{id}/line_items \
  --header 'Content-Type: application/json' \
  --header 'X-Api-Key: <api-key>' \
  --header 'X-App-Id: <api-key>' \
  --data '{}'

const options = {
  method: 'POST',
  headers: {
    'X-App-Id': '<api-key>',
    'X-Api-Key': '<api-key>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({})
};

fetch('https://api.staging.streamlinedpayments.com/api/v1/orders/{id}/line_items', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.staging.streamlinedpayments.com/api/v1/orders/{id}/line_items"

payload = {}
headers = {
    "X-App-Id": "<api-key>",
    "X-Api-Key": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

require 'uri'
require 'net/http'

url = URI("https://api.staging.streamlinedpayments.com/api/v1/orders/{id}/line_items")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["X-App-Id"] = '<api-key>'
request["X-Api-Key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{}"

response = http.request(request)
puts response.read_body