seodata.dev

keyword

first transcontinental railroad

Monthly search volume and cost-per-click data for "first transcontinental railroad" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=first+transcontinental+railroad&country=us" +--------------+------------------+ | volume | 1,600 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-16 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
intercontinental railway 40,500 $0.27 18/20
transcontinental railroad 33,100 $0.59 20/20
first transcontinental railroad map 4,400 $0.33 20/20
when was the transcontinental railroad completed 3,600 $0 20/20
what was the transcontinental railroad 1,900 $0 20/20
definition of transcontinental railroad 1,900 $0 17/20
first transcontinental railroad completed 1,600 $0 20/20
the transcontinental railroad 1,600 $0 20/20
transcontinental railroad completed 1,600 $0 20/20
who built the transcontinental railroad 1,300 $0 17/20

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=first+transcontinental+railroad&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