seodata.dev

keyword

how many years did the qin dynasty last

Monthly search volume and cost-per-click data for "how many years did the qin dynasty last" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=how+many+years+did+the+qin+dynasty+last&country=us" +--------------+------------------+ | volume | 50 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-20 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
qin dynasty 18,100 $0.72 15/20
ch'in dynasty 18,100 $0.47 13/20
dynasty qin 18,100 $0.47 13/20
qin 6,600 $0 15/20
how long did the qin dynasty last 590 $0 15/20
how long did qin dynasty last 590 $0 14/20
qin empire 590 $0 14/20
when did the qin dynasty start 260 $0 13/20
how long was the qin dynasty 140 $0 13/20
when did the qin dynasty start and end 110 $0 13/20

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=how+many+years+did+the+qin+dynasty+last&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