{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "https://opensea.io/schemas/BuildOfferRequest", "title": "BuildOfferRequest", "type": "object", "properties": { "offerer": { "type": "string" }, "quantity": { "type": "integer", "format": "int32" }, "criteria": { "$ref": "#/components/schemas/CriteriaObject" }, "protocol_address": { "type": "string" }, "offer_protection_enabled": { "type": "boolean" } }, "required": [ "criteria", "offer_protection_enabled", "offerer", "protocol_address", "quantity" ] }