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keyword

what are the 4 cradles of civilization

Monthly search volume and cost-per-click data for "what are the 4 cradles of civilization" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=what+are+the+4+cradles+of+civilization&country=us" +--------------+------------------+ | volume | 10 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-05-26 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
cradle of civilization 4,400 $0 5/20
cradles of civilization 4,400 $0 4/20
definition of fertile crescent 3,600 $0 4/20
fertile crescent definition 3,600 $0 4/20
what is fertile crescent 2,900 $0 4/20
4 cradles of civilization 50 $0 11/20
4 cradle of civilization 50 $0 6/20
where is cradle of civilization 30 $0 5/20
four cradles of civilization 20 $0 9/20
which country is known as cradle of civilization 20 $0 5/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://app.seodata.dev/v1/keyword?q=what+are+the+4+cradles+of+civilization&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 1,000/month

Full API spec: llms.txt