ChatGPT conversion tracking, product feeds and attribution, from the Convrail team.https://convrail.com/enhttps://convrail.com/blog/track-chatgpt-ads-conversions-shopify/https://convrail.com/blog/track-chatgpt-ads-conversions-shopify/Register the OAIQ pixel as a Shopify web pixel, send order_created from your server with the same event ID, hash emails and test with validate_only.Sun, 06 Sep 2026 00:00:00 GMThttps://convrail.com/blog/openai-product-feed-spec-explained/https://convrail.com/blog/openai-product-feed-spec-explained/The OpenAI product feed has 9 required fields, strict money and boolean formats and legacy aliases. Every rule with a valid and a rejected example.Sun, 06 Sep 2026 00:00:00 GMThttps://convrail.com/blog/oaiq-pixel-vs-conversions-api/https://convrail.com/blog/oaiq-pixel-vs-conversions-api/The OAIQ pixel sees the click context, the Conversions API sees every paid order. Send both with one shared event ID and OpenAI keeps a single copy.Sat, 05 Sep 2026 00:00:00 GMThttps://convrail.com/blog/products-not-showing-chatgpt-shopping/https://convrail.com/blog/products-not-showing-chatgpt-shopping/Products missing from ChatGPT shopping usually trace to a malformed feed row. Ten causes, from a bad price format to a stale snapshot, and how to fix each.Sat, 05 Sep 2026 00:00:00 GMThttps://convrail.com/blog/chatgpt-ads-ocpc/https://convrail.com/blog/chatgpt-ads-ocpc/oCPC campaigns optimize toward one tracked conversion event, so duplicates, missing orders and late events distort bids. How to keep the signal clean.Fri, 04 Sep 2026 00:00:00 GMThttps://convrail.com/blog/shopify-order-source-chatgpt/https://convrail.com/blog/shopify-order-source-chatgpt/Shopify derives an order's source from the visit's referrer and landing page. What that proves, why it goes missing by checkout, and how to reconcile it.Fri, 04 Sep 2026 00:00:00 GMThttps://convrail.com/blog/parquet-vs-jsonl-vs-csv-openai-feed/https://convrail.com/blog/parquet-vs-jsonl-vs-csv-openai-feed/OpenAI accepts parquet (preferred, with zstd), jsonl.gz, csv.gz and tsv.gz. The format decides how booleans, identifiers and nested fields survive export.Thu, 03 Sep 2026 00:00:00 GMThttps://convrail.com/blog/server-side-tracking-without-leaking-pii/https://convrail.com/blog/server-side-tracking-without-leaking-pii/OpenAI accepts emails, phones, names and IDs only as SHA-256 hashes. The exact normalization rules, a Node.js snippet, and why a hash stays personal data.Thu, 03 Sep 2026 00:00:00 GMThttps://convrail.com/blog/chatgpt-organic-vs-ads-attribution/https://convrail.com/blog/chatgpt-organic-vs-ads-attribution/ChatGPT sends shoppers via organic product results or paid ads. How to split the two with oppref, UTMs and referrers, and compute ROAS honestly.Wed, 02 Sep 2026 00:00:00 GMThttps://convrail.com/blog/google-shopping-feed-vs-openai-feed/https://convrail.com/blog/google-shopping-feed-vs-openai-feed/Most Google Shopping columns map to the OpenAI feed; seller_name, eligibility flags, target_countries and pre_order do not. Mapping table and fixes.Wed, 02 Sep 2026 00:00:00 GMThttps://convrail.com/blog/prompt-to-purchase-ai-buying-journey/https://convrail.com/blog/prompt-to-purchase-ai-buying-journey/A ChatGPT purchase writes a chain of records: feed row, click with oppref or referrer, pixel events mirrored by a server event, attributed order.Tue, 01 Sep 2026 00:00:00 GMThttps://convrail.com/blog/where-stores-lose-chatgpt-signal-audit/https://convrail.com/blog/where-stores-lose-chatgpt-signal-audit/Five checks find most broken ChatGPT tracking: browser vs server events, duplicate orders, feed rejections, failed API batches, attribution evidence.Tue, 01 Sep 2026 00:00:00 GMT