seodata.dev

keyword

lung function

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

$ curl "https://app.seodata.dev/v1/keyword?q=lung+function&country=us" +--------------+------------------+ | volume | 6,600 | | cpc | $4.2 | | competition | 0 | | country | US | | updated | 2026-06-08 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
pulmonary function tests 165,000 $5.38 14/20
lungs function 6,600 $4.2 20/20
function of the lungs 6,600 $8.43 19/20
function of lungs 6,600 $3.28 17/20
lung functioning 6,600 $8.43 15/20
lung function test 2,900 $7.88 14/20
test lung capacity 1,900 $3.72 14/20
what is the function of the lungs 1,600 $0 19/20
what is the function of lungs 1,600 $0 17/20
lung capacity test 1,600 $4.17 15/20

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=lung+function&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