OptionalcontentOptionalcountryOptional, but strongly recommended. Country of origin for the request. Two-letter ISO 3166-1 alpha-2 country code.
OptionallocaleOptional, but strongly recommended. Default language to interpret the query. First two letters should be the two-letter language code according to ISO 639 Last two letters should be the two-letter ISO 3166-1 alpha-2 country code. The country code and language code should be separated by a hyphen (-)
Optional, but strongly recommended. Determines the type of categories returned.
Optional, but strongly recommended. The content safety level.