curl --request POST \
  --url https://prod01-apigw.{customer_name}.fabric.zone/api-inventory/inventory \
  --header 'Content-Type: application/json' \
  --header 'x-site-context: <x-site-context>' \
  --data '
{
  "items": [
    {
      "itemId": "1000000051",
      "quantity": 529
    }
  ],
  "channelId": 12
}
'

import requests

url = "https://prod01-apigw.{customer_name}.fabric.zone/api-inventory/inventory"

payload = {
    "items": [
        {
            "itemId": "1000000051",
            "quantity": 529
        }
    ],
    "channelId": 12
}
headers = {
    "x-site-context": "<x-site-context>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'x-site-context': '<x-site-context>', 'Content-Type': 'application/json'},
  body: JSON.stringify({items: [{itemId: '1000000051', quantity: 529}], channelId: 12})
};

fetch('https://prod01-apigw.{customer_name}.fabric.zone/api-inventory/inventory', 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://prod01-apigw.{customer_name}.fabric.zone/api-inventory/inventory",
  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([
    'items' => [
        [
                'itemId' => '1000000051',
                'quantity' => 529
        ]
    ],
    'channelId' => 12
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "x-site-context: <x-site-context>"
  ],
]);

$response = curl_exec($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://prod01-apigw.{customer_name}.fabric.zone/api-inventory/inventory"

	payload := strings.NewReader("{\n  \"items\": [\n    {\n      \"itemId\": \"1000000051\",\n      \"quantity\": 529\n    }\n  ],\n  \"channelId\": 12\n}")

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

	req.Header.Add("x-site-context", "<x-site-context>")
	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://prod01-apigw.{customer_name}.fabric.zone/api-inventory/inventory")
  .header("x-site-context", "<x-site-context>")
  .header("Content-Type", "application/json")
  .body("{\n  \"items\": [\n    {\n      \"itemId\": \"1000000051\",\n      \"quantity\": 529\n    }\n  ],\n  \"channelId\": 12\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://prod01-apigw.{customer_name}.fabric.zone/api-inventory/inventory")

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

request = Net::HTTP::Post.new(url)
request["x-site-context"] = '<x-site-context>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"items\": [\n    {\n      \"itemId\": \"1000000051\",\n      \"quantity\": 529\n    }\n  ],\n  \"channelId\": 12\n}"

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

[
  {
    "itemId": 1000000003,
    "quantityRequested": 4,
    "stockDate": "<string>",
    "inStock": true,
    "fromStockQuantity": 4,
    "fromStock": [
      {
        "locationId": "5efcc26a5ee50d00079ca2ab",
        "quantityReserved": 0,
        "quantityAllocated": 9,
        "stockRemaining": 9,
        "stockRequest": 4,
        "channelId": 12
      }
    ],
    "fromTransitQuantity": 0,
    "fromTransit": "<array>",
    "availableStockQuantity": 9,
    "availableTransitQuantity": 0,
    "availableTotal": 9
  }
]

{
  "code": "<string>",
  "message": "<string>"
}

{
  "code": "<string>",
  "message": "<string>"
}