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keyword

principle of voluntary exchange

Monthly search volume and cost-per-click data for "principle of voluntary exchange" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=principle+of+voluntary+exchange&country=us" +--------------+------------------+ | volume | 20 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-08 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
voluntary exchange 1,900 $0 12/20
define voluntary exchange 720 $0 7/20
voluntary exchange economics definition 590 $0 7/20
definition of voluntary trade 110 $0 7/20
voluntary trade definition 110 $0 7/20
voluntary exchange economics 90 $0 7/20
define voluntary exchange in economics 50 $0 7/20
voluntary exchange definition in economics 50 $0 7/20
how does voluntary exchange benefit a person 30 $0 7/20
with voluntary exchange 30 $0 7/20

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=principle+of+voluntary+exchange&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