12-18.com

{
  "type": "object",
  "additionalProperties": false,
  "properties": {
    "terms": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Short search keywords, never a whole sentence. Include synonyms, abbreviations and alternative spellings as separate terms. Content is stored in de and en — include terms in every content language."
    },
    "type": {
      "type": "string",
      "description": "Restrict the search to one source, for callers that already know it."
    },
    "mode": {
      "type": "string",
      "enum": [
        "and",
        "or"
      ],
      "description": "Use or (default) for alternatives, synonyms or uncertain wording; it matches any term and is the better choice when unsure. Use and only when every term must occur in the same result."
    },
    "page": {
      "type": "integer",
      "description": "Search depth page. Use a next page offered by the response when the current results are insufficient."
    },
    "start": {
      "type": "string",
      "description": "Optional start of a date range, for the sources that document one."
    },
    "end": {
      "type": "string",
      "description": "Optional end of a date range, for the sources that document one."
    },
    "data": {
      "type": "object",
      "additionalProperties": true,
      "description": "Optional filters of one source, for the sources that document them."
    }
  },
  "required": [
    "terms"
  ]
}