seodata.dev

keyword

sleep vitamins

Monthly search volume and cost-per-click data for "sleep vitamins" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=sleep+vitamins&country=us" +--------------+------------------+ | volume | 4,400 | | cpc | $1.62 | | competition | 1 | | country | US | | updated | 2026-06-08 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
sleep health supplements 12,100 $1.66 15/20
sleep supplements 9,900 $2.51 20/20
best sleep supplements 6,600 $2.35 19/20
best sleep supplement 5,400 $3.59 17/20
best sleeping supplements 5,400 $3.59 15/20
best sleep vitamins 1,600 $1.98 18/20
sleep promoting supplements 170 $1.35 15/20
sleep help supplements 50 $1.32 15/20
vitamins for sleep support 50 $0 15/20
what supplement for sleep 30 $1.02 16/20

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=sleep+vitamins&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