seodata.dev

keyword

campbell biology used

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

$ curl "https://app.seodata.dev/v1/keyword?q=campbell+biology+used&country=us" +--------------+------------------+ | volume | 40 | | cpc | $0.53 | | competition | 1 | | country | US | | updated | 2026-05-26 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
campbell biology 4,400 $1.09 8/20
biology by campbell 4,400 $0.71 5/20
campbell biology 12th edition 2,900 $1.39 6/20
biology campbell 11th edition 1,300 $1.38 9/20
campbell 11th edition 720 $0.6 7/20
11th edition campbell biology 720 $0.6 5/20
campbell biology 11th edition pearson 50 $1.08 5/20
campbell biology used book 40 $0.53 12/20
campbell biology 11th edition used 30 $0 6/20
campbell biology textbook 11th edition 30 $0.19 6/20

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=campbell+biology+used&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