{ "$schema": "https://json-structure.org/meta/core/v0/#", "$id": "https://raw.githubusercontent.com/api-evangelist/amazon-payment-cryptography/refs/heads/main/json-structure/openapi-hex-length16-structure.json", "name": "HexLength16", "description": "HexLength16 schema from Amazon Payment Cryptography", "type": "string", "pattern": "^[0-9A-F]+$" }