keyword

history of the railroads

Monthly search volume and cost-per-click data for "history of the railroads" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=history+of+the+railroads&country=us" +--------------+------------------+ | volume | 1,000 | | cpc | $0.11 | | competition | 0.02 | | country | US | | updated | 2026-06-15 | +--------------+------------------+

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
who invented railroads	3,600	$0	15/20
railroad history	1,900	$2.44	18/20
first railroads in america	1,900	$0	17/20
history of railways	1,900	$2.44	14/20
history of railroads	1,600	$0.34	17/20
railways history	1,600	$0.34	14/20
history of the railway	1,300	$0.83	16/20
railroad us history	1,000	$0.11	19/20
railroads in american history	1,000	$0.11	16/20
the railroad history	30	$0	15/20

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=history+of+the+railroads&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