{"id":"3d47d16e-e79e-4980-9153-13286b2d139c","task":"Distinguish Mercari US (no public API) from the separate Mercari Shops Japan API when planning integrations","domain":"mercari.com","steps":["Confirm the target: mercari.com (US consumer marketplace) has no public seller API - only unofficial scrapers exist","Do not confuse it with Mercari Shops (api.mercari-shops.com), a real GraphQL API that serves only Japan's separate small-business storefront product with Japanese-language docs","For US Mercari, plan on manual listing through the app since there is no documented bulk-listing or order-sync mechanism","If a Japan-market integration is actually the goal, register through the Mercari Shops developer portal instead, which is a distinct product and account system"],"gotchas":["Vendors and articles sometimes conflate 'Mercari API' across the US and Japan products - verify the domain and language of any docs found before building","No public roadmap has been published for a US Mercari public API"],"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/3d47d16e-e79e-4980-9153-13286b2d139c"}