seodata.dev

keyword

marriage protection

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

$ curl "https://app.seodata.dev/v1/keyword?q=marriage+protection&country=us" +--------------+------------------+ | volume | 30 | | cpc | $0 | | competition | 0.01 | | country | US | | updated | 2026-06-26 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
respect of marriage act 12,100 $4.91 12/20
respect for marriage act 12,100 $6.04 10/20
marriage equality act 1,900 $6.72 9/20
equality of marriage act 1,900 $6.72 7/20
marriage act 260 $0 9/20
gay marriage protection 210 $0 8/20
marriage protection act 140 $0 8/20
right to marry act 90 $0 8/20
protecting marriage act 40 $0 8/20
protection of marriage 30 $0 11/20

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=marriage+protection&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