FreeDomain

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/catchdoms/main/json-schema/catchdoms-free-domain-schema.json",
  "title": "FreeDomain",
  "description": "A domain as returned by the free, unauthenticated /free/domains endpoint. Names beyond the first few are masked, and premium metrics (TF/CF/TTF/GMB) are omitted.",
  "x-generated": "2026-09-27",
  "x-method": "derived",
  "x-generator": "derive-json-schema.py",
  "x-source": "openapi/catchdoms-openapi.yml#/components/schemas/FreeDomain",
  "type": "object",
  "properties": {
    "name": {
      "type": "string",
      "description": "Domain name, or a masked placeholder (••••••••.tld) beyond the free visible limit"
    },
    "tld": {
      "type": "string"
    },
    "source": {
      "type": "string"
    },
    "type": {
      "type": [
        "string",
        "null"
      ]
    },
    "price": {
      "type": [
        "number",
        "null"
      ]
    },
    "max_bid": {
      "type": [
        "number",
        "null"
      ]
    },
    "currency": {
      "type": [
        "string",
        "null"
      ],
      "pattern": "^[A-Z]{3}$",
      "description": "ISO 4217 currency code for this source's price fields; null when not deterministic"
    },
    "bids_count": {
      "type": [
        "integer",
        "null"
      ]
    },
    "auction_end_date": {
      "type": [
        "string",
        "null"
      ],
      "format": "date-time"
    },
    "score": {
      "type": [
        "integer",
        "null"
      ]
    },
    "age": {
      "type": [
        "integer",
        "null"
      ]
    },
    "domain_authority": {
      "type": [
        "integer",
        "null"
      ]
    },
    "backlinks_count": {
      "type": [
        "integer",
        "null"
      ]
    },
    "referring_domains": {
      "type": [
        "integer",
        "null"
      ]
    },
    "language": {
      "type": [
        "string",
        "null"
      ]
    },
    "purchase_url": {
      "type": [
        "string",
        "null"
      ],
      "description": "Buy/bid link; null when the domain name is masked"
    }
  }
}