seodata.dev

keyword

carl sagan books

Monthly search volume and cost-per-click data for "carl sagan books" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=carl+sagan+books&country=us" +--------------+------------------+ | volume | 9,900 | | cpc | $0.28 | | competition | 0.89 | | country | US | | updated | 2026-06-22 | +--------------+------------------+
All search data is retrieved via the Google Ads API — you get the same numbers you'd see in Google Ads.

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
carl sagan book 6,600 $0.25 20/20
books by carl sagan 6,600 $0.25 16/20
carl sagan books best 320 $0.28 15/20
novels by carl sagan 70 $0.22 19/20
carl sagan novels 70 $0.1 15/20
sagan book 70 $0.25 14/20
carl sagan list of books 40 $0.29 17/20
books by carl sagan list 40 $0.37 15/20
carl sagan book list 40 $0.37 15/20
list of carl sagan books 40 $0.37 15/20

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://api.seodata.dev/v1/keyword?q=carl+sagan+books&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt