try this works for me
https://www.website.com/checkout?item_id={id}:1
Topic summary
Google Merchant Center now allows merchants to add direct checkout/cart links to product listings, requiring a specific URL structure. The discussion centers on determining the correct format for Shopify stores.
Recommended URL Structure:
- Most commonly successful:
https://yourdomain.com/cart/{id}:1 - Alternative that works for some:
https://www.yourdomain.com/cart?item_id={id} - The
{id}placeholder should remain as-is in Google Merchant Center UI; Google automatically populates it with variant IDs - The variant ID is the last segment of Shopify product IDs (format:
shopify_US_123456789_123456789)
Common Issues & Solutions:
- “Missing required parameter: {id}” error often occurs when testing with actual variant IDs instead of leaving
{id}as placeholder - Adding
www.to the domain resolves issues for some users - Products must be in stock for validation to succeed
- Installing the Google & YouTube sales channel app and connecting via API helps establish proper connection
- If default structure fails, merchants may need to manually submit checkout URLs in the product feed
Current Status:
While many users report success with domain.com/cart/{id}:1, others continue experiencing validation errors. The issue appears related to product ID format, inventory status, or account configuration rather than a universal solution. Some users report blank pages or redirect issues even when Google’s test function passes.
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