keyword

color 4

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

$ curl "https://app.seodata.dev/v1/keyword?q=color+4&country=us" +--------------+------------------+ | volume | 2,900 | | cpc | $0.45 | | competition | 0.03 | | country | US | | updated | 2026-05-26 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
color 4 hair	9,900	$0.34	15/20
hair color 4	9,900	$0.43	13/20
colour 4 hair	9,900	$0.34	8/20
color #4	2,400	$0.24	20/20
colors 4	2,400	$0.24	8/20
color #4 hair	1,600	$0.29	9/20
hair color number 4	1,300	$0.41	8/20
hair 4 color	30	$0.2	8/20
the color 4	30	$0	8/20
what is color 4 hair	20	$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=color+4&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 1,000/month

Full API spec: llms.txt