seodata.dev

keyword

hard water softener

Monthly search volume and cost-per-click data for "hard water softener" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=hard+water+softener&country=us" +--------------+------------------+ | volume | 74,000 | | cpc | $4.21 | | competition | 0.19 | | country | US | | updated | 2026-06-06 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
water softener 165,000 $6.08 19/20
water softeners 165,000 $6.23 16/20
soft water conditioner 110,000 $7.35 16/20
water softener for home 49,500 $10.28 17/20
household water softeners 49,500 $10.14 16/20
soft water system 14,800 $13.19 15/20
home water softener 12,100 $10.15 15/20
water softener for hard water 3,600 $4.54 19/20
water softening systems 3,600 $12.94 17/20
water softener for house 2,400 $9.62 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=hard+water+softener&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