seodata.dev

keyword

best water filter

Monthly search volume and cost-per-click data for "best water filter" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=best+water+filter&country=us" +--------------+------------------+ | volume | 40,500 | | cpc | $2.66 | | competition | 1 | | country | US | | updated | 2026-06-14 | +--------------+------------------+
All search data is retrieved via the Google Ads API — you get the same numbers you'd see in Google Ads.

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
best water filters for home 74,000 $5 20/20
best filtered water 40,500 $2.66 20/20
best water filters 40,500 $2.51 20/20
best water filtration 40,500 $3.61 20/20
water filter best 40,500 $2.66 20/20
best water filter system 27,100 $4.49 20/20
best water purifier 3,600 $2.36 20/20
best drinking water filtration system 2,900 $3.82 20/20
what is the best water filter 2,900 $2.5 20/20
the best water filters 1,300 $3.96 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://api.seodata.dev/v1/keyword?q=best+water+filter&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