{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "https://opensea.io/schemas/CrossChainFulfillmentRequest", "title": "CrossChainFulfillmentRequest", "type": "object", "description": "Request to fulfill one or more listings using a payment token on a different chain or a different token on the same chain", "properties": { "listings": { "type": "array", "description": "One or more listings to fulfill", "items": { "$ref": "#/components/schemas/ListingObject" } }, "fulfiller": { "$ref": "#/components/schemas/FulfillerObject" }, "payment": { "$ref": "#/components/schemas/CrossChainPaymentToken", "description": "The token to pay with" }, "recipient": { "type": "string", "description": "Optional recipient address for the purchased items" } }, "required": [ "fulfiller", "listings", "payment" ] }