seodata.dev

keyword

biology campbell books

Monthly search volume and cost-per-click data for "biology campbell books" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=biology+campbell+books&country=us" +--------------+------------------+ | volume | 210 | | cpc | $0.87 | | competition | 1 | | country | US | | updated | 2026-06-23 | +--------------+------------------+
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
campbell biology 4,400 $1.09 17/20
campbell's biology 4,400 $1.09 8/20
campbell biology 12th edition 2,900 $1.39 9/20
campbell biology textbooks 880 $0.9 10/20
biology textbook by campbell 720 $0.62 10/20
biology book by campbell 720 $0.62 9/20
biology textbook campbell 720 $0.62 9/20
campbell biology book 210 $0.87 9/20
campbell biology by urry 50 $0.32 9/20
campbell biology edition 50 $0.57 9/20

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=biology+campbell+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