seodata.dev

keyword

sdi index

Monthly search volume and cost-per-click data for "sdi index" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=sdi+index&country=us" +--------------+------------------+ | volume | 210 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-05-22 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
silt density 210 $0 6/20
silt density index 210 $0 6/20
silt density index calculation 40 $0 7/20
silt density index calculator 40 $0 7/20
sdi in water 30 $0 7/20
sdi water 30 $0 7/20
water sdi 30 $0 7/20
silt density index test 30 $0 6/20
silt density index testing 30 $0 6/20
silt density test 30 $0 6/20

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=sdi+index&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