seodata.dev

keyword

what is udn

Monthly search volume and cost-per-click data for "what is udn" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=what+is+udn&country=us" +--------------+------------------+ | volume | 20 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-04 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
udn 27,100 $0 14/20
undiagnosed 2,900 $10.4 10/20
undiagnosed disease network 1,300 $8.6 20/20
undiagnosed diseases network 1,300 $7.26 16/20
undiagnosed network 1,300 $8.06 8/20
udn network 90 $0 11/20
nih undiagnosed disease network 50 $0 9/20
nih undiagnosed diseases network 40 $0 9/20
the undiagnosed disease network 30 $0 10/20
the undiagnosed diseases network 30 $0 10/20

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=what+is+udn&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