keyword

buy isbn

Monthly search volume and cost-per-click data for "buy isbn" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=buy+isbn&country=us" +--------------+------------------+ | volume | 2,900 | | cpc | $3.02 | | competition | 0.73 | | country | US | | updated | 2026-06-15 | +--------------+------------------+

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
isbn	18,100	$2.57	19/20
bowker isbn	5,400	$1.91	18/20
isbn number	4,400	$2.88	20/20
isbn buy	2,900	$3.41	20/20
isbn purchase	2,900	$3.41	20/20
buy isbn numbers	2,900	$3.02	19/20
purchase isbn number	2,900	$3.41	19/20
how to get an isbn	1,300	$2.23	19/20
isbn number purchase	390	$4.07	18/20
isbn for sale	40	$4.07	19/20

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=buy+isbn&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