keyword

c4

Monthly search volume and cost-per-click data for "c4" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=c4&country=us" +--------------+------------------+ | volume | 74,000 | | cpc | $0.81 | | competition | 0.78 | | country | US | | updated | 2026-06-06 | +--------------+------------------+

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
c4 energy drink	60,500	$0.65	6/20
c4 energy	9,900	$1.39	6/20
energy c4	9,900	$1.12	6/20
c4 bomb	9,900	$0.51	4/20
c4 explosive	5,400	$0	4/20
c4 drink	4,400	$0.5	7/20
cellucor	4,400	$0.94	4/20
c4 website	170	$0.66	7/20
what is c4 energy drink	140	$0.48	5/20
c-4 c-4	50	$0	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=c4&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