seodata.dev

keyword

free us history textbook

Monthly search volume and cost-per-click data for "free us history textbook" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=free+us+history+textbook&country=us" +--------------+------------------+ | volume | 50 | | cpc | $5.44 | | competition | 0.05 | | country | US | | updated | 2026-05-16 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
us history textbook 4,400 $0.64 20/20
united states history textbook 4,400 $0.64 18/20
american history textbooks 4,400 $0.64 16/20
history textbook 1,900 $0.46 16/20
online american history textbook 320 $3.47 15/20
us history free textbook 50 $3.02 17/20
free american history textbook 50 $3.02 15/20
free american history textbook online 30 $0 16/20
us history free online textbook 30 $0 16/20
us history textbook online free 30 $2.23 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://app.seodata.dev/v1/keyword?q=free+us+history+textbook&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