curl --request PATCH \
  --url https://production-api.puppetvendors.com/products/{productId}/inventory \
  --header 'Content-Type: application/json' \
  --header 'x-access-token: <api-key>' \
  --data '
{
  "variants": [
    {
      "variantId": "<string>",
      "locationId": "<string>",
      "quantity": 0,
      "inventoryItemId": "<string>",
      "compareQuantity": 123
    }
  ],
  "mode": "set",
  "reason": "<string>"
}
'

import requests

url = "https://production-api.puppetvendors.com/products/{productId}/inventory"

payload = {
    "variants": [
        {
            "variantId": "<string>",
            "locationId": "<string>",
            "quantity": 0,
            "inventoryItemId": "<string>",
            "compareQuantity": 123
        }
    ],
    "mode": "set",
    "reason": "<string>"
}
headers = {
    "x-access-token": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'PATCH',
  headers: {'x-access-token': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    variants: [
      {
        variantId: '<string>',
        locationId: '<string>',
        quantity: 0,
        inventoryItemId: '<string>',
        compareQuantity: 123
      }
    ],
    mode: 'set',
    reason: '<string>'
  })
};

fetch('https://production-api.puppetvendors.com/products/{productId}/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://production-api.puppetvendors.com/products/{productId}/inventory",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PATCH",
  CURLOPT_POSTFIELDS => json_encode([
    'variants' => [
        [
                'variantId' => '<string>',
                'locationId' => '<string>',
                'quantity' => 0,
                'inventoryItemId' => '<string>',
                'compareQuantity' => 123
        ]
    ],
    'mode' => 'set',
    'reason' => '<string>'
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "x-access-token: <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://production-api.puppetvendors.com/products/{productId}/inventory"

	payload := strings.NewReader("{\n  \"variants\": [\n    {\n      \"variantId\": \"<string>\",\n      \"locationId\": \"<string>\",\n      \"quantity\": 0,\n      \"inventoryItemId\": \"<string>\",\n      \"compareQuantity\": 123\n    }\n  ],\n  \"mode\": \"set\",\n  \"reason\": \"<string>\"\n}")

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

	req.Header.Add("x-access-token", "<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.patch("https://production-api.puppetvendors.com/products/{productId}/inventory")
  .header("x-access-token", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"variants\": [\n    {\n      \"variantId\": \"<string>\",\n      \"locationId\": \"<string>\",\n      \"quantity\": 0,\n      \"inventoryItemId\": \"<string>\",\n      \"compareQuantity\": 123\n    }\n  ],\n  \"mode\": \"set\",\n  \"reason\": \"<string>\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://production-api.puppetvendors.com/products/{productId}/inventory")

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

request = Net::HTTP::Patch.new(url)
request["x-access-token"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"variants\": [\n    {\n      \"variantId\": \"<string>\",\n      \"locationId\": \"<string>\",\n      \"quantity\": 0,\n      \"inventoryItemId\": \"<string>\",\n      \"compareQuantity\": 123\n    }\n  ],\n  \"mode\": \"set\",\n  \"reason\": \"<string>\"\n}"

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

{
  "success": true,
  "data": {
    "updated": 123,
    "errors": [
      {
        "variantId": "<string>",
        "message": "<string>"
      }
    ]
  }
}

{
  "success": false,
  "error": {
    "message": "Resource not found",
    "code": "NOT_FOUND",
    "errorId": "err_1783365360839_j281w7b",
    "details": {}
  }
}

{
  "success": false,
  "error": {
    "message": "Resource not found",
    "code": "NOT_FOUND",
    "errorId": "err_1783365360839_j281w7b",
    "details": {}
  }
}

{
  "success": false,
  "error": {
    "message": "Resource not found",
    "code": "NOT_FOUND",
    "errorId": "err_1783365360839_j281w7b",
    "details": {}
  }
}

{
  "success": false,
  "error": {
    "message": "Resource not found",
    "code": "NOT_FOUND",
    "errorId": "err_1783365360839_j281w7b",
    "details": {}
  }
}