keyword

millennium problem

Monthly search volume and cost-per-click data for "millennium problem" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=millennium+problem&country=us" +--------------+------------------+ | volume | 6,600 | | 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
millennium prize	6,600	$0	20/20
millennium prize problems	6,600	$0	20/20
millennium problems	6,600	$0	20/20
millennium mathematics problems	6,600	$0	17/20
millennial problem	6,600	$0	16/20
millennial problems math	320	$0	18/20
millennium questions	170	$0	16/20
the 7 millennium problems	170	$0.6	16/20
the seven millennium problems	170	$0	16/20
7 millennium problems solved	110	$0	16/20

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=millennium+problem&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