keyword

longest married couple

Monthly search volume and cost-per-click data for "longest married couple" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=longest+married+couple&country=us" +--------------+------------------+ | volume | 720 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-29 | +--------------+------------------+

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
longest marriage ever	1,600	$0	20/20
longest marriage	720	$0	18/20
longest marriages	720	$0	17/20
couple married the longest	720	$0	14/20
what is the longest marriage ever	210	$0	13/20
longest married couple in the world	140	$0	15/20
longest marriages in history	110	$0	13/20
longest married couple ever	30	$0	14/20
the longest married couple	30	$0	14/20
who is the longest married couple	30	$0	14/20

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=longest+married+couple&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