seodata.dev

keyword

oxygen carbon dioxide

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

$ curl "https://app.seodata.dev/v1/keyword?q=oxygen+carbon+dioxide&country=us" +--------------+------------------+ | volume | 720 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-05-26 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
carbon and oxygen 1,300 $1.89 8/20
oxygen and carbon dioxide 720 $0 14/20
carbon dioxide oxygen 720 $0 11/20
oxygen to carbon dioxide 720 $0 10/20
carbon dioxide and oxygen 720 $0 9/20
carbon dioxide-oxygen 720 $0 9/20
co2 and oxygen 210 $0 11/20
carbon dioxide vs oxygen 140 $0 9/20
oxygen dioxide 140 $0 9/20
co2 is oxygen 40 $0 9/20

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=oxygen+carbon+dioxide&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