seodata.dev

keyword

chicago train

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

$ curl "https://api.seodata.dev/v1/keyword?q=chicago+train&country=us" +--------------+------------------+ | volume | 22,200 | | cpc | $0.25 | | competition | 0.04 | | country | US | | updated | 2026-06-26 | +--------------+------------------+
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
chicago trains 22,200 $0.25 20/20
train to chicago 18,100 $0.21 16/20
train chicago 14,800 $0.28 20/20
chicago subway 9,900 $0.52 20/20
chicago metro 9,900 $0.52 19/20
trains in chicago 5,400 $0.18 16/20
chicago train system 3,600 $0 20/20
train system chicago 3,600 $0.15 19/20
cta trains 3,600 $0.11 17/20
chicago train schedule 2,900 $0.15 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://api.seodata.dev/v1/keyword?q=chicago+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