keyword

hydrogen carbon

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

$ curl "https://api.seodata.dev/v1/keyword?q=hydrogen+carbon&country=us" +--------------+------------------+ | volume | 27,100 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-14 | +--------------+------------------+

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
hydrocarbons	27,100	$0	9/20
hydrocarbon	27,100	$0	8/20
what are hydrocarbons	3,600	$0	7/20
what is a hydrocarbon	2,900	$0	8/20
carbon and hydrogen	1,600	$0	17/20
carbon hydrogen	1,600	$0	14/20
carbon-hydrogen	1,600	$0	14/20
hydrogen and carbon	1,600	$0	14/20
what is hydrogen and carbon	50	$0	12/20
what is carbon hydrogen	50	$0	10/20

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=hydrogen+carbon&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