seodata.dev

keyword

rail lines

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

$ curl "https://app.seodata.dev/v1/keyword?q=rail+lines&country=us" +--------------+------------------+ | volume | 1,900 | | cpc | $2.47 | | competition | 0.03 | | country | US | | updated | 2026-06-08 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
rail map usa 6,600 $0.12 20/20
railroad usa map 6,600 $0.16 20/20
united states railway map 6,600 $0.16 20/20
usa railway map 6,600 $0.12 20/20
railway usa map 6,600 $0.16 19/20
railroad map 5,400 $3.09 20/20
railway map 5,400 $2.71 20/20
rail maps 2,400 $2.34 20/20
train map usa 2,400 $0.23 20/20
railroad track map 1,900 $0.19 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+lines&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