keyword

book isbn number

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

$ curl "https://api.seodata.dev/v1/keyword?q=book+isbn+number&country=us" +--------------+------------------+ | volume | 880 | | cpc | $2.23 | | competition | 0.1 | | country | US | | updated | 2026-06-30 | +--------------+------------------+

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	20/20
isbn international standard book number	18,100	$2.54	19/20
isbns	18,100	$2.87	18/20
what is isbn	6,600	$1.45	17/20
international standard book number search	5,400	$0.53	15/20
meaning of isbn	4,400	$1.65	19/20
isbn meaning	4,400	$1.53	18/20
isbn number	4,400	$2.88	17/20
book by isbn	1,000	$2.75	18/20
book number isbn	720	$3.13	16/20

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=book+isbn+number&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