seodata.dev

keyword

metro blue line

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

$ curl "https://api.seodata.dev/v1/keyword?q=metro+blue+line&country=us" +--------------+------------------+ | volume | 4,400 | | cpc | $0 | | competition | 0.03 | | 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
metro blueline 4,400 $0.5 16/20
metro train blue line 4,400 $0.17 14/20
blue line train 2,400 $0.52 14/20
blue line metro 1,900 $0 20/20
metro blue line route 1,900 $0 20/20
metro line blue 1,900 $0 18/20
blue metro line 1,900 $0 17/20
blueline metro 1,900 $0 17/20
metro blue line schedule 1,600 $0 16/20
metro blue line train 40 $0 18/20

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=metro+blue+line&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