Inventory Quantity [inventory_quantity] Field for Product Feed

Required for Product Availability in ChatGPT

The inventory_quantity attribute indicates how many units of a product are currently available for sale.
It is essential for ensuring accurate product availability and preventing overselling in ChatGPT and connected e-commerce platforms.

When to use

Always include this field for all products that can be purchased or displayed in ChatGPT.
It ensures that your stock levels remain synchronized between your feed and your e-commerce backend.

• [inventory_quantity] should:
  • Reflect your real-time stock count
  • Be a whole number (no decimals)
  • Never be negative
  • Update regularly as inventory changes

Format

• Type: Integer (non-negative)
• Allowed values: 0 or greater
• Repeated field: No
• Schema.org property: Offer.inventoryLevel

Examples:

Minimum requirements

Note: Products with inventory_quantity set to 0 will be marked as out of stock.

• Use non-negative integers only (0, 1, 2, …).
• Keep stock values updated frequently to ensure accurate availability.
• Use 0 for out-of-stock items instead of leaving the field empty.
• Don’t use decimals or text values.
• Don’t provide negative or placeholder values like -1 or N/A.

SEO / AI Tip

Keeping your inventory accurate improves the trustworthiness of your listings in ChatGPT.
Feeds with consistent stock data are prioritized for real-time discovery and conversational commerce.

Official Source: ChatGPT Product Feed Specs