Why does DataForSEO Labs API support only countries?
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DataForSEO Labs API encompasses data from our in-house Keyword Database, SERP Database, and Domain Database. These databases are updated regularly: the process takes from 30 to 90 days, depending on various factors. If we supported not only countries but also cities, it would be too expensive to maintain our databases. Their size, as well as update time, would increase dramatically, which would affect the price of the end-up product.
That’s why we decided to support only countries.