seodata.dev

keyword

best water purification

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

$ curl "https://api.seodata.dev/v1/keyword?q=best+water+purification&country=us" +--------------+------------------+ | volume | 3,600 | | cpc | $3.08 | | competition | 1 | | country | US | | updated | 2026-06-15 | +--------------+------------------+
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 home water filter 74,000 $5.82 18/20
best filter water 40,500 $3.18 20/20
best water filtration 40,500 $3.61 20/20
best home water filters 40,500 $6.43 19/20
best filtered water 40,500 $2.66 18/20
best water filtration systems 12,100 $5.64 20/20
water purifier the best 3,600 $3.08 20/20
water purifier best 3,600 $2.36 19/20
best water purifiers 2,900 $2.85 19/20
the best water filters 1,300 $3.96 19/20

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+purification&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