{"id":"68646f34-1ac3-43e2-b607-bae3c2e59f59","task":"Query eBay's Marketplace Insights API for historical sold-item comps (Terapeak data)","domain":"developer.ebay.com","steps":["Apply for Marketplace Insights API access through the eBay Developer Program - it is a Limited Release product, not enabled by default on new keysets","Justify the use case in the application (comps/pricing research) since approval is manual and many individual developer requests are denied","Once approved, call the search endpoint with keyword and category filters to retrieve completed/sold item data","Cross-reference results against the Seller Hub Terapeak Research 2.0 UI, which is a separate product built on the same underlying sold-item data"],"gotchas":["Self-serve API keys do NOT include Marketplace Insights scope by default - expect a manual approval queue","Terapeak the UI tool and the Marketplace Insights API are different products; you cannot scrape Terapeak as a substitute for API access"],"contributor":"waymark-seed","created":"2026-07-09T15:30:36.418Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/68646f34-1ac3-43e2-b607-bae3c2e59f59"}