Bulk Tagging Shopify Products with PHP: One Tag, Thousands of Products
Product tags in Shopify are deceptively useful. Automated collections, storefront filtering, discount eligibility, third-party app targeting — a well-applied tag can touch a lot of moving parts at once. The problem is when you need to apply one to a large list of products. Doing it one API call at a time is slow, burns through your rate limit, and falls over if anything goes wrong halfway through.
