curl --request PUT \
  --url https://api.treet-test.co/v1/listings/{id}/inventory \
  --header 'Content-Type: application/json' \
  --header 'X-Treet-Authentication-Key: <api-key>' \
  --header 'X-Treet-Client-Id: <api-key>' \
  --data '
{
  "action": "SET_INVENTORY",
  "oldInventory": 5,
  "newInventory": 3
}
'

import requests

url = "https://api.treet-test.co/v1/listings/{id}/inventory"

payload = {
    "action": "SET_INVENTORY",
    "oldInventory": 5,
    "newInventory": 3
}
headers = {
    "X-Treet-Client-Id": "<api-key>",
    "X-Treet-Authentication-Key": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'PUT',
  headers: {
    'X-Treet-Client-Id': '<api-key>',
    'X-Treet-Authentication-Key': '<api-key>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({action: 'SET_INVENTORY', oldInventory: 5, newInventory: 3})
};

fetch('https://api.treet-test.co/v1/listings/{id}/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://api.treet-test.co/v1/listings/{id}/inventory",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PUT",
  CURLOPT_POSTFIELDS => json_encode([
    'action' => 'SET_INVENTORY',
    'oldInventory' => 5,
    'newInventory' => 3
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "X-Treet-Authentication-Key: <api-key>",
    "X-Treet-Client-Id: <api-key>"
  ],
]);

$response = curl_exec($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://api.treet-test.co/v1/listings/{id}/inventory"

	payload := strings.NewReader("{\n  \"action\": \"SET_INVENTORY\",\n  \"oldInventory\": 5,\n  \"newInventory\": 3\n}")

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

	req.Header.Add("X-Treet-Client-Id", "<api-key>")
	req.Header.Add("X-Treet-Authentication-Key", "<api-key>")
	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.put("https://api.treet-test.co/v1/listings/{id}/inventory")
  .header("X-Treet-Client-Id", "<api-key>")
  .header("X-Treet-Authentication-Key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"action\": \"SET_INVENTORY\",\n  \"oldInventory\": 5,\n  \"newInventory\": 3\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.treet-test.co/v1/listings/{id}/inventory")

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

request = Net::HTTP::Put.new(url)
request["X-Treet-Client-Id"] = '<api-key>'
request["X-Treet-Authentication-Key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"action\": \"SET_INVENTORY\",\n  \"oldInventory\": 5,\n  \"newInventory\": 3\n}"

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

{
  "id": "550e8400-e29b-41d4-a716-446655440000",
  "availableInventory": 3
}

{
  "error": "<string>"
}

{
  "error": "<string>"
}

{
  "error": "<string>"
}