{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "SupportedCodesResponse",
  "description": "Supported currency codes response from ExchangeRate-API v6.",
  "type": "object",
  "properties": {
    "result": {
      "type": "string",
      "description": "Status indicator."
    },
    "documentation": {
      "type": "string",
      "format": "uri",
      "description": "Link to API documentation."
    },
    "terms_of_use": {
      "type": "string",
      "format": "uri",
      "description": "Link to terms of use."
    },
    "supported_codes": {
      "type": "array",
      "description": "Array of two-element [code, name] pairs.",
      "items": {
        "type": "array",
        "items": {"type": "string"},
        "minItems": 2,
        "maxItems": 2
      }
    }
  },
  "required": ["result", "supported_codes"]
}