curl -X PATCH https://api.neuraldraft.io/v1/products/32/variants/72 \
  -H "Authorization: Bearer ndsk_live_yourkey" \
  -H "Content-Type: application/json" \
  -d '{"stock_quantity":4}'

await nd.products.variants.update(32, 72, { stockQuantity: 4 });

requests.patch("https://api.neuraldraft.io/v1/products/32/variants/72",
  headers={"Authorization": f"Bearer {key}"}, json={"stock_quantity":4})

<?php
$client->patch('products/32/variants/72', [
  'headers' => ['Authorization' => 'Bearer '.$key],
  'json' => ['stock_quantity' => 4],
]);

{
  "id": 71,
  "product_id": 32,
  "name": "Natural cork",
  "price": 2999,
  "sku": "ND-CORK-PAIR-N",
  "stock_quantity": 123,
  "options": {
    "color": "natural"
  },
  "sort_order": 0,
  "is_active": true
}

{
  "type": "https://api.neuraldraft.io/errors/bad_request",
  "title": "Bad request",
  "status": 400,
  "detail": "Request body could not be parsed.",
  "code": "bad_request",
  "instance": "req_2Nh4PqRsTuVw"
}

{
  "type": "https://api.neuraldraft.io/errors/unauthorized",
  "title": "Unauthorized",
  "status": 401,
  "detail": "API key missing or invalid.",
  "code": "unauthorized",
  "instance": "req_2Nh4PqRsTuVw"
}

{
  "type": "https://api.neuraldraft.io/errors/not_found",
  "title": "Not found",
  "status": 404,
  "detail": "No such resource.",
  "code": "not_found",
  "instance": "req_2Nh4PqRsTuVw"
}