keyword

when was lewis and clark expedition

Monthly search volume and cost-per-click data for "when was lewis and clark expedition" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=when+was+lewis+and+clark+expedition&country=us" +--------------+------------------+ | volume | 1,900 | | cpc | $0.02 | | competition | 0 | | country | US | | updated | 2026-03-30 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
clark and lewis	74,000	$1.69	13/20
lewis and clark expedition	27,100	$2.46	17/20
lewis and clark's expedition	22,200	$2.41	15/20
american explorers lewis and clark	22,200	$1.49	11/20
who is lewis and clark	2,400	$0.03	14/20
when was the lewis and clark expedition	1,900	$0.02	16/20
when lewis and clark expedition	1,900	$0.02	14/20
where did lewis and clark start	1,600	$7.04	17/20
where did the lewis and clark expedition start	1,600	$0.16	17/20
what happened during lewis and clark expedition	40	$0	12/20

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/keyword?q=when+was+lewis+and+clark+expedition&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