keyword

campbell biology rrphe

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

$ curl "https://api.seodata.dev/v1/keyword?q=campbell+biology+rrphe&country=us" +--------------+------------------+ | volume | 40 | | cpc | $0.48 | | 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	16/20
campbell biology 12th edition	2,900	$1.39	15/20
biology book campbell	880	$0.9	10/20
campbell biology textbook	720	$0.62	9/20
campbell biology latest edition	110	$0.88	11/20
campbell 12th edition biology	70	$1.26	9/20
campbell biology ap edition 12th edition	70	$1.7	9/20
campbell biology textbook 12th edition	70	$1.72	9/20
campbell biology 12th edition textbook	50	$2.07	11/20
campbell biology 12th edition hardcover	40	$1.6	10/20

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=campbell+biology+rrphe&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