seodata.dev

keyword

rail usa

Monthly search volume and cost-per-click data for "rail usa" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=rail+usa&country=us" +--------------+------------------+ | volume | 1,900 | | cpc | $4.43 | | competition | 0.1 | | country | US | | updated | 2026-05-25 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
railroads 49,500 $1.64 15/20
rail transportation 2,400 $3.72 14/20
railroad transport 2,400 $7.96 14/20
railway transportation 2,400 $3.72 14/20
rail transport 2,400 $3.72 13/20
railroad us 1,900 $4.43 16/20
rails usa 1,900 $4.43 13/20
rail transportation in the united states 1,600 $0.69 17/20
railway in usa 1,000 $0.58 19/20
railroad usa 260 $4.58 20/20

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=rail+usa&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