{"name":"Sayer & Stone","description":"Agent-commerce API for Sayer & Stone — lab-grown diamond fine jewelry, made to order.","docs":{"llms":"https://agents.sayerandstone.com/llms.txt","openapi":"https://agents.sayerandstone.com/openapi.json","skill_md":"https://agents.sayerandstone.com/skill.md","mpp":"https://agents.sayerandstone.com/.well-known/mpp.json","agent_card":"https://agents.sayerandstone.com/.well-known/agent-card.json","ucp":"https://agents.sayerandstone.com/.well-known/ucp","jwks":"https://agents.sayerandstone.com/.well-known/jwks.json"},"endpoints":{"GET /catalog":"List purchasable products.","GET /catalog/{slug}":"Single product detail.","POST /purchase":"Place an order. Returns 402 on the discovery leg with payment rails; 400 on body rejection; 403 + recovery payload when identity is required; 200 with order confirmation on success.","GET /orders/{id}":"Order detail (PII). Identity-scoped.","GET /orders/{id}/status":"Payment status only (no PII)."},"audience":"agents","supported_rails":["tempo_mpp","x402_base","solana_mpp","stripe"],"compliance":"no identity gate; all rails settle on their own payment credentials (wallet signatures for Tempo/x402/Solana, Stripe SPT credential for Stripe). No X-Wallet-Address or X-Operator-Token required.","website":"https://www.sayerandstone.com","tagline":"Luxury, Every Day","catalog_categories":["earrings","bracelets"],"fulfillment":"made-to-order; delivery estimate emailed after order placed"}