seodata.dev

keyword

certificate of marriage

Monthly search volume and cost-per-click data for "certificate of marriage" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=certificate+of+marriage&country=us" +--------------+------------------+ | volume | 1,600 | | cpc | $0.77 | | competition | 0.69 | | country | US | | updated | 2026-06-16 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
marriage certificate 49,500 $1.81 20/20
marriage certificates 33,100 $1.56 20/20
certified copy of marriage certificate 8,100 $1.61 20/20
how to request marriage certificate 5,400 $1.47 19/20
copy of marriage certificate 4,400 $1.84 20/20
get marriage certificate online 4,400 $2.98 20/20
marriage certificate online 4,400 $2.98 20/20
how to get a marriage certificate 3,600 $2.2 20/20
wedding certificate 2,400 $1.01 20/20
marriage document 1,600 $1.83 20/20

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=certificate+of+marriage&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