seodata.dev

keyword

water purification certification

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

$ curl "https://api.seodata.dev/v1/keyword?q=water+purification+certification&country=us" +--------------+------------------+ | volume | 20 | | cpc | $3.91 | | competition | 0.78 | | country | US | | updated | 2026-08-07 | +--------------+------------------+
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
certification for water treatment 1,300 $2.44 9/20
certification in water treatment 1,300 $2.44 7/20
certified water treatment 1,300 $2.44 7/20
water treatment certificate 1,300 $3.52 7/20
water filtration certification 320 $4.11 8/20
water treatment certification courses 110 $4.04 7/20
certified water specialist 70 $14.39 7/20
water management certification 70 $7.6 7/20
water treatment specialist certification 30 $0 8/20
water purification certificate 20 $0 11/20

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=water+purification+certification&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