seodata.dev

keyword

blue line illinois

Monthly search volume and cost-per-click data for "blue line illinois" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=blue+line+illinois&country=us" +--------------+------------------+ | volume | 140 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-05 | +--------------+------------------+
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
blue line chicago 18,100 $0 8/20
the blue line chicago 18,100 $0 8/20
the blueline 9,900 $1.18 8/20
blue line chicago map 5,400 $0.03 7/20
chicago blue line route 5,400 $0.03 7/20
blue line stops chicago 2,900 $0 7/20
blue line chicago hours 1,300 $0 8/20
blue line train schedule chicago 1,300 $0 8/20
the blue line il 140 $0 8/20
blue line il 70 $0 9/20

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=blue+line+illinois&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