keyword

when was petroleum discovered

Monthly search volume and cost-per-click data for "when was petroleum discovered" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=when+was+petroleum+discovered&country=us" +--------------+------------------+ | volume | 390 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-05-25 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
when was oil discovered	1,900	$0	20/20
when oil was discovered	1,900	$0	14/20
when was oil found	1,900	$0	14/20
how was petroleum discovered	590	$0	16/20
how oil was discovered	590	$0	15/20
how was oil discovered	590	$0	15/20
when was crude oil discovered	390	$0	15/20
history of petroleum oil	210	$0	15/20
what year was petroleum discovered	90	$0	15/20
how was oil first discovered	50	$0	15/20

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+petroleum+discovered&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