keyword

40 x 9

Monthly search volume and cost-per-click data for "40 x 9" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=40+x+9&country=us" +--------------+------------------+ | volume | 1,300 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-06 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
21 x 5	14,800	$1.01	6/20
52 x 1	14,800	$1.01	6/20
45 x 2	6,600	$0	6/20
52 x 3	4,400	$0	6/20
22 x 5	2,400	$0	6/20
25 x 9	1,900	$0	8/20
27 x 5	1,900	$0	7/20
50 x 3	1,900	$0	7/20
52 x 10	1,900	$1.78	7/20
55 x 2	590	$0	8/20

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=40+x+9&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