keyword

fast train

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

$ curl "https://api.seodata.dev/v1/keyword?q=fast+train&country=us" +--------------+------------------+ | volume | 90,500 | | cpc | $3.54 | | competition | 0.02 | | country | US | | updated | 2026-06-30 | +--------------+------------------+

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
speed rail train	12,100	$4.84	17/20
train high speed	12,100	$5.3	16/20
trains high-speed	12,100	$5.3	16/20
high speed rail train	12,100	$3.5	15/20
trains high speed	12,100	$3.5	15/20
fast trains	4,400	$1.01	20/20
high speed trains	4,400	$5.82	19/20
high-speed trains	4,400	$7.14	18/20
high speed bullet train	4,400	$7.12	17/20
speed train	1,000	$2.25	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://api.seodata.dev/v1/keyword?q=fast+train&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