seodata.dev

keyword

textbook online

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

$ curl "https://app.seodata.dev/v1/keyword?q=textbook+online&country=us" +--------------+------------------+ | volume | 1,600 | | cpc | $2.41 | | competition | 0.41 | | country | US | | updated | 2026-05-27 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
textbook 18,100 $2.11 20/20
textbooks 18,100 $2.6 18/20
online textbooks 3,600 $2.26 20/20
text book 3,600 $3.39 20/20
text books 3,600 $3.39 20/20
textbooks online 1,600 $2.41 20/20
online text book 260 $1.86 15/20
online textbook site 260 $1.97 14/20
text books online 170 $2.38 17/20
text book website 40 $1.89 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=textbook+online&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