# b2a2d.vin > Embed the capability. The membrane comes with it. Embed VIN capability into your own product — and when your downstream hits a reserved act, the platform routes to its own credentialed leaf on your behalf. The capability ships with its membrane. Motions: B2A2D Routes: GET / (this document's page) · GET /{VIN} (the record for one vehicle) Representations: text/html · text/markdown · application/json (Accept header; same URL) Evidence: every field posts value · source · timestamp · verification state; empty states are typed EMPTY, invalid VINs are typed INVALID_VIN — never a faked 200. Agent surface: one estate MCP server — https://apis.vin/mcp (all .vin doors are lenses over one spine; tools: decode_vin, vehicle_history, market_value, window_sticker, out_the_door_price, open_recalls, search_listings, cash_offer, transport_quote, finance_prequal, insurance_quote, start_purchase) Gates: typed OFFER (posted price, hard ceiling, x402) or NEEDS_HUMAN handoff URL — no account walls. Auth: https://auth.vin (issuer) · keys/metering via id.org.ai Siblings: https://apis.vin/ — The record as a response — every call priced on the page; keys, SDK, the estate MCP https://listings.vin/ — The ADF embed channel — live in dealer CRMs today https://b2a2b.vin/ — Agent-brokered trade the same dealer zones carry — Mandate presented, fee disclosed https://all.vin/ — Part of the Vin family — all.vin/: which faces hold records for this VIN