ReturnCheck

{'type': 'object', 'required': ['product_url', 'buyer_country'], 'properties': {'reason': {'enum': ['changed_mind', 'defective', 'wrong_size_or_model', 'arrived_late', 'other'], 'type': 'string'}, 'merchant': {'type': 'string'}, 'page_html': {'type': 'string', 'description': 'RECOMMENDED (alternative to page_text). Raw HTML of the same page. Slightly better than page_text: we can also read structured data (JSON-LD) from it.'}, 'page_text': {'type': 'string', 'description': 'RECOMMENDED. Plain text of the product or returns page you already have open. We verify against this instead of fetching: works on any store, no blocking, no JavaScript problem, and faster. Still never invents: no verifiable clause -> UNKNOWN (free).'}, 'product_url': {'type': 'string', 'description': 'The product page URL (http/https).'}, 'seller_name': {'type': 'string'}, 'buyer_country': {'type': 'string', 'description': "ISO 3166-1 alpha-2, e.g. 'US'."}, 'delivery_date': {'type': 'string', 'description': 'YYYY-MM-DD (optional; preferred for the deadline).'}, 'purchase_date': {'type': 'string', 'description': 'YYYY-MM-DD (optional).'}, 'item_condition': {'enum': ['unopened', 'opened', 'used', 'defective'], 'type': 'string'}, 'payment_signature': {'type': 'string', 'description': 'OPTIONAL. x402 payment authorization, base64 — the same envelope the PAYMENT-SIGNATURE header carries over HTTP. Use it to pay per call with no account and no signup. How: call once without it; if the free trial is exhausted you get the payment terms in structuredContent (x402Version, accepts[]); sign that authorization and call again with payment_signature set. Terms are also published at /.well-known/x402. UNKNOWN verdicts are never settled: the authorization simply expires unused.'}}}