keyword

4 color hair

Monthly search volume and cost-per-click data for "4 color hair" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=4+color+hair&country=us" +--------------+------------------+ | volume | 4,400 | | cpc | $0.43 | | competition | 0.55 | | country | US | | updated | 2026-06-07 | +--------------+------------------+

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
dyed hair colors	27,100	$0.79	4/20
brown shade hair colour	18,100	$1.1	4/20
colour 4 hair	9,900	$0.34	8/20
4 hair color	9,900	$0.34	6/20
hair color 4	9,900	$0.43	5/20
color hair 4	4,400	$0.43	10/20
4 in hair color	4,400	$0.43	7/20
hair colors 4	2,900	$0.3	7/20
hair color number 4	1,300	$0.33	7/20
number 4 hair color	1,300	$0.4	5/20

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=4+color+hair&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