keyword

openstax textbook

Monthly search volume and cost-per-click data for "openstax textbook" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=openstax+textbook&country=us" +--------------+------------------+ | volume | 1,900 | | cpc | $3.57 | | competition | 0.01 | | country | US | | updated | 2026-06-07 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
openstax	49,500	$2.92	12/20
openstax website	40,500	$4.24	9/20
openstax textbooks	1,900	$3.57	16/20
openstax org	880	$0.98	8/20
what is openstax	320	$4.56	8/20
openstaxcollege books	260	$1.44	9/20
openstax free textbooks	210	$5.61	11/20
openstax textbooks free	90	$0	11/20
is openstax free	70	$0	10/20
openstax oer	70	$0	8/20

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=openstax+textbook&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