seodata.dev

keyword

rail

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

$ curl "https://app.seodata.dev/v1/keyword?q=rail&country=us" +--------------+------------------+ | volume | 60,500 | | cpc | $0.99 | | competition | 0.75 | | country | US | | updated | 2026-06-08 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
railroad 49,500 $1.64 10/20
railways 22,200 $0.5 14/20
railway 22,200 $0.5 11/20
rail train 4,400 $1.84 12/20
train railway 4,400 $1.84 12/20
train rail 4,400 $1.84 10/20
railroad transport 2,400 $7.96 9/20
rail usa 1,900 $4.43 9/20
railway system 1,600 $4.78 12/20
rail information 390 $0 10/20

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&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