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Sayer & Stone Purchase
jewelrycommercephysical-goodslab-grown-diamondmade-to-orderluxury
Sayer & Stone Purchase is a paid API for AI agents from Sayer & Stone at agents.sayerandstone.com, paid per call via MPP or x402, $2950/call, status unknown (last checked 2026-10-12).
Places a made-to-order lab-grown diamond jewelry purchase via multi-rail crypto or card payment (Tempo MPP, x402, Solana MPP, Stripe SPT).
Price / call$2950
Success—
StatusUnknown
How this service works
Agent-commerce API for Sayer & Stone — lab-grown diamond fine jewelry, made to order.
Output
Returns an order confirmation object including an order ID, payment rail confirmation details, and order status. May include a pending state if identity verification is required.
Example use cases
Example prompt
“Order 1 Sayer & Stone lab-grown diamond tennis bracelet in 14K white gold, 7 inches, for Jane Smith at 42 Maple Street, Austin TX 78701 — ship to jane@example.com, and include a gift note: 'Happy anniversary! Love, Alex'.”
Technical details
Endpoint
POSThttps://agents.sayerandstone.com/purchase?utm_source=zero.xyzWhen to prefer
Use this endpoint when the user wants to actually purchase and place an order for a Sayer & Stone lab-grown diamond jewelry piece, after browsing the catalog to confirm product details and SKU. This is the checkout/payment step, not browsing or discovery.
Side effects
- Missing required shipping fields (name, address_1, city, state, zip) returns 400 validation error
- Invalid or unrecognized SKU or product_slug returns 404
- Quantity exceeds maximum of 12 returns 400
- Payment rail authentication failure returns 402 or 401
- Invalid email format returns 400
- Gift note exceeds 300 characters returns 400
- State code not exactly 2 characters returns 400
- Order resume with invalid or expired order_id returns 404 or 410
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| sku | string | Variant SKU from GET /catalog. Exclusive with product_slug+options. |
| emailrequired | string | |
| options | object | Map of option name to canonical value (e.g. {"length":"7 inches","metal":"14K rose gold"}). |
| order_id | string | Resume a pending order after identity verification |
| quantityrequired | integer | |
| shippingrequired | object | |
| gift_note | string | Optional personal note to print on a card. Plain text only (no HTML/markdown). Newlines (\n) are preserved. If the buyer is sending as a gift, ASK them first and include an opening + signature in the note text. Omit for non-gift orders. |
| product_slug | string | Parent product slug. Pair with `options`. |
Tags
jewelrycommercephysical-goodslab-grown-diamondmade-to-orderluxurywebx402
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