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keyword

what is the purpose of surfactant

Monthly search volume and cost-per-click data for "what is the purpose of surfactant" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=what+is+the+purpose+of+surfactant&country=us" +--------------+------------------+ | volume | 210 | | 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
surfactant 40,500 $0.6 8/20
surfactant definition 6,600 $0.82 8/20
what is a surfactant 6,600 $0 8/20
what is surfactant in the lungs 1,900 $0 10/20
function of surfactants 480 $0 11/20
what is the role of surfactant 320 $0 11/20
surfactant purpose 210 $0 11/20
the function of surfactant is to 140 $0 9/20
what is the purpose of surfactant in the lungs 40 $0 9/20
what is the purpose of a surfactant 30 $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=what+is+the+purpose+of+surfactant&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