{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "#/components/schemas/venmo_response", "title": "Venmo Response", "description": "Full representation of a Venmo Payment Token.", "type": "object", "allOf": [ { "$ref": "#/components/schemas/wallet_base" }, { "readOnly": true, "$ref": "#/components/schemas/payer" }, { "properties": { "user_name": { "description": "The Venmo username, as chosen by the user.", "type": "string", "pattern": "^[-a-zA-Z0-9_]*$", "minLength": 1, "maxLength": 50 } } } ] }