seodata.dev

keyword

40 rock fertilizer

Monthly search volume and cost-per-click data for "40 rock fertilizer" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=40+rock+fertilizer&country=us" +--------------+------------------+ | volume | 170 | | cpc | $6.35 | | competition | 0.18 | | country | US | | updated | 2026-06-06 | +--------------+------------------+
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
high phosphate fertilizer 5,400 $0.56 2/20
phosphorus fertilizer 5,400 $0.51 2/20
high phosphorus fertilizer 4,400 $0.43 2/20
phosphorus fertilizers 4,400 $0.74 2/20
40 rock 320 $0.45 3/20
rock 40 fertilizer 170 $4.26 17/20
40 40 40 fertilizer 50 $0.42 3/20
rock fertilizer 40 $0.21 3/20
12-40-0 fertilizer 30 $0 3/20
forty rock 20 $0 3/20

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=40+rock+fertilizer&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