seodata.dev

keyword

human subject research

Monthly search volume and cost-per-click data for "human subject research" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=human+subject+research&country=us" +--------------+------------------+ | volume | 1,600 | | cpc | $3.63 | | competition | 0.01 | | country | US | | updated | 2026-05-24 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
human subjects research 1,300 $0 20/20
human research subject 1,300 $4.04 17/20
human subjects in research 1,300 $4.04 16/20
human research subjects 1,300 $0 15/20
research with human subjects 1,300 $0 15/20
human study research 1,300 $0 14/20
human subject in research 1,300 $4.04 14/20
what is human subjects research 140 $0 15/20
what is human research 140 $0 14/20
human studies research 30 $14.53 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://app.seodata.dev/v1/keyword?q=human+subject+research&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