seodata.dev

keyword

train rail

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

$ curl "https://app.seodata.dev/v1/keyword?q=train+rail&country=us" +--------------+------------------+ | volume | 4,400 | | cpc | $1.84 | | competition | 0.03 | | country | US | | updated | 2026-06-08 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
trains 301,000 $0.42 17/20
train 301,000 $0.42 16/20
rail 60,500 $1.1 13/20
commuter rail schedule 49,500 $0.42 12/20
regional rail schedule 33,100 $0 13/20
train schedule 27,100 $0.4 14/20
rail train 4,400 $1.84 17/20
train railway 4,400 $1.84 15/20
railway system 1,600 $4.78 13/20
trail rail schedule 1,300 $0 14/20

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=train+rail&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