curl --request POST \
  --url https://public-api.stora.co/2025-09/orders/{order_id}/line_items \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "type": "unit_type",
  "quantity": 1,
  "price": {
    "amount": 1999
  },
  "item": {
    "id": "utype_3b3aed5cca33b11d"
  }
}
'

import requests

url = "https://public-api.stora.co/2025-09/orders/{order_id}/line_items"

payload = {
    "type": "unit_type",
    "quantity": 1,
    "price": { "amount": 1999 },
    "item": { "id": "utype_3b3aed5cca33b11d" }
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    type: 'unit_type',
    quantity: 1,
    price: {amount: 1999},
    item: {id: 'utype_3b3aed5cca33b11d'}
  })
};

fetch('https://public-api.stora.co/2025-09/orders/{order_id}/line_items', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://public-api.stora.co/2025-09/orders/{order_id}/line_items",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'type' => 'unit_type',
    'quantity' => 1,
    'price' => [
        'amount' => 1999
    ],
    'item' => [
        'id' => 'utype_3b3aed5cca33b11d'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://public-api.stora.co/2025-09/orders/{order_id}/line_items"

	payload := strings.NewReader("{\n  \"type\": \"unit_type\",\n  \"quantity\": 1,\n  \"price\": {\n    \"amount\": 1999\n  },\n  \"item\": {\n    \"id\": \"utype_3b3aed5cca33b11d\"\n  }\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://public-api.stora.co/2025-09/orders/{order_id}/line_items")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"type\": \"unit_type\",\n  \"quantity\": 1,\n  \"price\": {\n    \"amount\": 1999\n  },\n  \"item\": {\n    \"id\": \"utype_3b3aed5cca33b11d\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://public-api.stora.co/2025-09/orders/{order_id}/line_items")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"type\": \"unit_type\",\n  \"quantity\": 1,\n  \"price\": {\n    \"amount\": 1999\n  },\n  \"item\": {\n    \"id\": \"utype_3b3aed5cca33b11d\"\n  }\n}"

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

{
  "line_item": {
    "id": "olitm_216f3087ddaf1234",
    "created_at": "2025-02-22T14:41:00Z",
    "discount_total": {
      "amount": 1000,
      "currency": "GBP",
      "formatted": "£10.00"
    },
    "item": {
      "id": "utype_3b3aed5cca33b11d"
    },
    "price": {
      "amount": 1999,
      "currency": "GBP",
      "formatted": "£19.99"
    },
    "quantity": 1,
    "tax": {
      "amount": 0,
      "currency": "GBP",
      "formatted": "£0.00"
    },
    "total": {
      "amount": 1999,
      "currency": "GBP",
      "formatted": "£19.99"
    },
    "total_excluding_tax": {
      "amount": 1999,
      "currency": "GBP",
      "formatted": "£19.99"
    },
    "type": "unit_type",
    "updated_at": "2025-02-22T14:41:00Z"
  },
  "meta": {
    "request_id": "01563646-58c1-4607-8fe0-cae3e92c4477",
    "curies": [
      {
        "name": "bo",
        "href": "https://app.stora.test{rel}",
        "templated": true,
        "title": "Backoffice"
      },
      {
        "name": "sf",
        "href": "https://acme.stora.test{rel}",
        "templated": true,
        "title": "Storefront"
      }
    ]
  }
}

{
  "error": {
    "code": "conflict",
    "details": [],
    "links": [
      {
        "kind": "open_api",
        "name": "OpenAPI specification",
        "url": "https://docs.stora.test/2025-09/openapi.json"
      },
      {
        "kind": "documentation",
        "name": "Errors",
        "url": "https://docs.stora.test/2025-09/guides/errors"
      }
    ],
    "message": "The order must be in the draft status to modify its line items. The current status is completed.",
    "request_id": "01563646-58c1-4607-8fe0-cae3e92c4477",
    "type": "invalid_request_error"
  }
}

{
  "error": {
    "code": "invalid_content",
    "details": [
      {
        "message": "Missing item ID",
        "pointer": "/item/id"
      }
    ],
    "links": [
      {
        "kind": "open_api",
        "name": "OpenAPI specification",
        "url": "https://docs.stora.test/2025-09/openapi.json"
      },
      {
        "kind": "documentation",
        "name": "Errors",
        "url": "https://docs.stora.test/2025-09/guides/errors"
      }
    ],
    "message": "The request body content is not valid.",
    "request_id": "01563646-58c1-4607-8fe0-cae3e92c4477",
    "type": "invalid_request_error"
  }
}