seodata.dev

keyword

california high speed rail

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

$ curl "https://api.seodata.dev/v1/keyword?q=california+high+speed+rail&country=us" +--------------+------------------+ | volume | 27,100 | | cpc | $8.19 | | competition | 0.01 | | country | US | | updated | 2026-06-24 | +--------------+------------------+
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
california high-speed rail 27,100 $8.19 20/20
hsr ca 18,100 $1.86 16/20
high-speed rail california 5,400 $1.79 18/20
high speed rail california 5,400 $1.79 17/20
california bullet train 3,600 $6.04 16/20
ca high-speed rail 2,900 $10.86 20/20
ca high speed rail 2,900 $10.86 18/20
california high-speed rail project 1,300 $6.05 19/20
california hsr 1,000 $11.25 20/20
california high speed rail speed 170 $7.29 16/20

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=california+high+speed+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