{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://openbrandexchange.com/schemas/v0.1/Problem.json",
  "type": "object",
  "title": "Problem",
  "description": "application/problem+json (RFC 9457) error body. Exception: the OAuth2 token endpoint uses RFC 6749 error JSON.",
  "properties": {
    "type": {
      "type": "string",
      "description": "URI identifying the problem type: `https://openbrandexchange.com/errors/<obx_error>`.",
      "format": "uri"
    },
    "title": {
      "type": "string"
    },
    "status": {
      "type": "integer",
      "minimum": 400,
      "maximum": 599
    },
    "detail": {
      "type": [
        "string",
        "null"
      ]
    },
    "instance": {
      "type": [
        "string",
        "null"
      ]
    },
    "obx_error": {
      "$ref": "Common.json#/$defs/ErrorCode"
    },
    "errors": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "pointer": {
            "type": [
              "string",
              "null"
            ],
            "description": "JSON Pointer (RFC 6901) into the request body, or a CSV locator like 'row:12/gtin'."
          },
          "obx_error": {
            "$ref": "Common.json#/$defs/ErrorCode"
          },
          "detail": {
            "type": "string"
          }
        },
        "required": [
          "obx_error",
          "detail"
        ],
        "additionalProperties": false,
        "patternProperties": {
          "^x-[a-z0-9]+-[a-z0-9_-]+$": true
        }
      },
      "description": "Field-level errors (validation_failed)."
    },
    "retry_after": {
      "type": [
        "integer",
        "null"
      ],
      "description": "Seconds; mirrors Retry-After.",
      "minimum": 0
    }
  },
  "required": [
    "type",
    "title",
    "status",
    "obx_error"
  ],
  "additionalProperties": false,
  "patternProperties": {
    "^x-[a-z0-9]+-[a-z0-9_-]+$": true
  }
}