seodata.dev

keyword

water filtration certification

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

$ curl "https://app.seodata.dev/v1/keyword?q=water+filtration+certification&country=us" +--------------+------------------+ | volume | 320 | | cpc | $4.11 | | competition | 0.79 | | country | US | | updated | 2026-05-29 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
certification for water treatment 1,300 $2.44 5/20
certified water treatment 1,300 $2.44 5/20
water filter certification 320 $4.11 6/20
wqa-certified 320 $11.86 6/20
water testing certification 170 $6.42 7/20
water certificate 140 $14.39 7/20
water certifications 140 $14.39 6/20
water filter certifications 70 $5.06 7/20
water purification certificate 20 $0 8/20
water purification certification 20 $3.91 8/20

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=water+filtration+certification&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 1,000/month

Full API spec: llms.txt