{"name":"Sayer & Stone","description":"Lab-grown diamond fine jewelry from Sayer & Stone. Query /catalog for the current lineup (earrings, bracelets) with variants drawn from length, metal, and total carat weight. Made to order.","url":"https://agents.sayerandstone.com","openapi":"https://agents.sayerandstone.com/openapi.json","endpoints":{"catalog":{"method":"GET","url":"https://agents.sayerandstone.com/catalog"},"product":{"method":"GET","url":"https://agents.sayerandstone.com/catalog/{slug}"},"purchase":{"method":"POST","url":"https://agents.sayerandstone.com/purchase"},"orders":{"method":"GET","url":"https://agents.sayerandstone.com/orders/{id}"},"orders_status":{"method":"GET","url":"https://agents.sayerandstone.com/orders/{id}/status"}},"catalog":{"categories":["earrings","bracelets"],"images":{"agent_guidance":"Each product carries an `images[]` gallery of URLs (occasionally empty). When a product has images, ask the buyer once per session before rendering any photo whether they want to see product images while browsing (some buyers prefer text-only for bandwidth, screen-reader, or terminal contexts). Remember the answer and do not re-prompt for subsequent products. If they opt out, describe the product from `name` + `specs` and skip the URLs."}},"purchase":{"required_fields":["quantity","email","shipping"],"optional_fields":["order_id","gift_note"],"variant_selection":"one of: `sku` (variant SKU) OR `product_slug` + `options` (map of option name → canonical value)","gift_note":{"max_length":300,"format":"plain text; newlines (\\n) preserved on the printed card; no HTML or markdown","agent_guidance":"Ask the buyer if this is a gift before including. Include an opening and signature in the note itself. Omit the field for non-gift orders."},"payment_methods":["tempo","solana","x402","stripe"],"x402":{"networks":["base"],"scheme":"exact","asset":"USDC","facilitator":"https://api.cdp.coinbase.com","client_tooling":"agentscore-pay (npm: @agent-score/pay)"}},"shipping":{"countries":["US"],"carrier":"FedEx Express","signature_required":true,"fully_insured":true,"gift_wrapped":true,"fee_usd":"45.00","fee_note":"Flat-rate per order. Authoritative shipping cost surfaces in the 402 `pricing.shipping` field at purchase time."}}