{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "#/components/schemas/card_specification", "title": "card_specification", "type": "object", "required": [ "amount", "currency", "reference" ], "properties": { "amount": { "type": "integer", "format": "int64", "example": 10000, "description": "The total purchase amount on a card", "minimum": 1 }, "currency": { "type": "string", "example": "USD", "description": "The amount currency" }, "fund_amount": { "type": "integer", "format": "int64", "example": 10000, "description": "The funded amount that will be on a card" }, "reference": { "type": "string", "example": "yPGw6i4lR0GTcyxGpS3Q6Q==", "description": "Your reference on the card", "minLength": 1, "maxLength": 255 } } }