keyword

e rail certification

Monthly search volume and cost-per-click data for "e rail certification" in US.

$ curl "https://app.seodata.dev/v1/search-volume?q=e-rail-certification&country=us" +--------------+------------------+ | volume | 70 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-03-30 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
e-rail safe training	170	$9.65	8/20
erailsafe training	170	$9.65	8/20
e rail safe	110	$0	9/20
e-rail certification	70	$0	14/20
erail certification	70	$0	10/20
e rail training	40	$0	13/20
erail training	40	$0.58	9/20
erailsafe certification	40	$0	8/20
erail safety training	30	$5.56	11/20
railsafe certification	30	$6.72	8/20

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://app.seodata.dev/v1/search-volume?q=e-rail-certification&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 1,000/month

Full API spec: llms.txt