seodata.dev

keyword

define apnea

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

$ curl "https://app.seodata.dev/v1/keyword?q=define+apnea&country=us" +--------------+------------------+ | volume | 18,100 | | cpc | $1.01 | | competition | 0.01 | | country | US | | updated | 2026-05-17 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
sleep apnoea 368,000 $2.93 20/20
apnea definition 18,100 $3.14 20/20
apnea meaning 18,100 $4.23 20/20
apneic meaning 18,100 $1 20/20
causes of sleep apnea 12,100 $0.84 20/20
meaning of sleep apnea 4,400 $0.72 20/20
sleep apnea definition 4,400 $1.09 20/20
sleep apnea meaning 4,400 $0.72 20/20
what is apnea 4,400 $0.81 20/20
osa meaning medical 1,600 $0.12 20/20

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=define+apnea&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