keyword

best gre books

Monthly search volume and cost-per-click data for "best gre books" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=best+gre+books&country=us" +--------------+------------------+ | volume | 210 | | cpc | $0.68 | | competition | 0.77 | | country | US | | updated | 2026-06-13 | +--------------+------------------+

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
gre study book	2,400	$1.29	19/20
gre prep books	2,400	$1.29	14/20
best gre prep book	1,600	$1.1	20/20
gre prep book	1,600	$1.5	17/20
best gre study book	1,600	$1.49	16/20
gre books	1,600	$0.98	16/20
gre prep materials	1,600	$5.08	14/20
best gre study books	880	$1.56	16/20
best gre test prep book	880	$1.56	15/20
best gre prep books	140	$0.82	18/20

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=best+gre+books&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