seodata.dev

keyword

softening hard water

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

$ curl "https://app.seodata.dev/v1/keyword?q=softening+hard+water&country=us" +--------------+------------------+ | volume | 4,400 | | cpc | $4.68 | | competition | 0.93 | | country | US | | updated | 2026-06-14 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
softening water 135,000 $7.24 19/20
softened water 4,400 $8.2 16/20
softening of hard water 3,600 $4.54 14/20
water softening 2,900 $11.34 14/20
how soften water 880 $3.18 15/20
how can you soften water 880 $3.18 13/20
how do you soften water 880 $3.18 13/20
how to soften the water 880 $3.18 13/20
how to soft water 880 $2.41 12/20
how to soften the hard water 590 $3.4 13/20

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=softening+hard+water&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