seodata.dev

keyword

water purification certificate

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

$ curl "https://app.seodata.dev/v1/keyword?q=water+purification+certificate&country=us" +--------------+------------------+ | volume | 20 | | cpc | $0 | | competition | 0.61 | | country | US | | updated | 2026-05-29 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
water treatment certificate 1,300 $3.52 11/20
certification for water treatment 1,300 $2.44 10/20
certificate in water treatment 1,300 $2.44 8/20
certification in water treatment 1,300 $2.44 7/20
certified water treatment 1,300 $2.44 6/20
water filtration certification 320 $4.11 8/20
water treatment certification online 170 $3.41 7/20
water treatment certification courses 110 $4.04 9/20
water management certification 70 $7.6 8/20
water purification certification 20 $3.91 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://app.seodata.dev/v1/keyword?q=water+purification+certificate&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