curl --request PATCH \
  --url https://app.papelship.com/api/v1/products/{id}/variants/{variantId} \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --header 'x-store-hash: <api-key>' \
  --data '
{
  "name": "<string>",
  "slug": "<string>",
  "price_cents": 123,
  "discount_percent": 123,
  "stock_quantity": 123,
  "is_default": true,
  "active": true,
  "sort_order": 123,
  "image_url": "<string>",
  "sku": "<string>",
  "barcode": "<string>",
  "weight_grams": 123,
  "compare_at_cents": 123,
  "track_inventory": true,
  "allow_backorder": true,
  "low_stock_threshold": 123,
  "option_values": [
    "<string>"
  ]
}
'

const options = {
  method: 'PATCH',
  headers: {
    'x-api-key': '<api-key>',
    'x-store-hash': '<api-key>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    name: '<string>',
    slug: '<string>',
    price_cents: 123,
    discount_percent: 123,
    stock_quantity: 123,
    is_default: true,
    active: true,
    sort_order: 123,
    image_url: '<string>',
    sku: '<string>',
    barcode: '<string>',
    weight_grams: 123,
    compare_at_cents: 123,
    track_inventory: true,
    allow_backorder: true,
    low_stock_threshold: 123,
    option_values: ['<string>']
  })
};

fetch('https://app.papelship.com/api/v1/products/{id}/variants/{variantId}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://app.papelship.com/api/v1/products/{id}/variants/{variantId}"

payload = {
    "name": "<string>",
    "slug": "<string>",
    "price_cents": 123,
    "discount_percent": 123,
    "stock_quantity": 123,
    "is_default": True,
    "active": True,
    "sort_order": 123,
    "image_url": "<string>",
    "sku": "<string>",
    "barcode": "<string>",
    "weight_grams": 123,
    "compare_at_cents": 123,
    "track_inventory": True,
    "allow_backorder": True,
    "low_stock_threshold": 123,
    "option_values": ["<string>"]
}
headers = {
    "x-api-key": "<api-key>",
    "x-store-hash": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://app.papelship.com/api/v1/products/{id}/variants/{variantId}",
  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([
    'name' => '<string>',
    'slug' => '<string>',
    'price_cents' => 123,
    'discount_percent' => 123,
    'stock_quantity' => 123,
    'is_default' => true,
    'active' => true,
    'sort_order' => 123,
    'image_url' => '<string>',
    'sku' => '<string>',
    'barcode' => '<string>',
    'weight_grams' => 123,
    'compare_at_cents' => 123,
    'track_inventory' => true,
    'allow_backorder' => true,
    'low_stock_threshold' => 123,
    'option_values' => [
        '<string>'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "x-api-key: <api-key>",
    "x-store-hash: <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://app.papelship.com/api/v1/products/{id}/variants/{variantId}"

	payload := strings.NewReader("{\n  \"name\": \"<string>\",\n  \"slug\": \"<string>\",\n  \"price_cents\": 123,\n  \"discount_percent\": 123,\n  \"stock_quantity\": 123,\n  \"is_default\": true,\n  \"active\": true,\n  \"sort_order\": 123,\n  \"image_url\": \"<string>\",\n  \"sku\": \"<string>\",\n  \"barcode\": \"<string>\",\n  \"weight_grams\": 123,\n  \"compare_at_cents\": 123,\n  \"track_inventory\": true,\n  \"allow_backorder\": true,\n  \"low_stock_threshold\": 123,\n  \"option_values\": [\n    \"<string>\"\n  ]\n}")

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

	req.Header.Add("x-api-key", "<api-key>")
	req.Header.Add("x-store-hash", "<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))

}

{
  "success": true,
  "variant": {
    "id": 881,
    "object": "variant",
    "product_id": "AbC123xyz789",
    "name": "1 Month",
    "slug": "1-month",
    "delivery_type": "file",
    "price_cents": 999,
    "discount_percent": 0,
    "compare_at_cents": 123,
    "is_default": true,
    "active": true,
    "sort_order": 123,
    "image_url": "<string>",
    "stock_mode": "calculated",
    "stock_quantity": 123,
    "sku": "<string>",
    "barcode": "<string>",
    "weight_grams": 123,
    "track_inventory": true,
    "allow_backorder": true,
    "low_stock_threshold": 123,
    "option_values": [
      "<string>"
    ],
    "created_at": "2026-10-04T12:00:00.000Z",
    "updated_at": "2026-10-04T12:00:00.000Z"
  }
}

{
  "success": false,
  "code": "INVALID_API_KEY",
  "error": "Invalid API Key",
  "request_id": "req_7YbK2mQ9xP1cRt4v"
}

{
  "success": false,
  "code": "INSUFFICIENT_SCOPE",
  "error": "This API key needs the orders:write permission",
  "request_id": "req_7YbK2mQ9xP1cRt4v"
}

{
  "success": false,
  "code": "NOT_FOUND",
  "error": "Invoice not found",
  "request_id": "req_7YbK2mQ9xP1cRt4v"
}

{
  "success": false,
  "code": "INVOICE_PAID",
  "error": "A paid order cannot be cancelled. Refund it instead.",
  "request_id": "req_7YbK2mQ9xP1cRt4v"
}

{
  "success": false,
  "code": "VALIDATION_FAILED",
  "error": "customer_email must be a valid email address",
  "request_id": "req_7YbK2mQ9xP1cRt4v"
}

{
  "success": false,
  "code": "RATE_LIMITED",
  "error": "Too many requests. The limit is 300 requests per minute per key.",
  "request_id": "req_7YbK2mQ9xP1cRt4v"
}