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keyword

when did taxation start

Monthly search volume and cost-per-click data for "when did taxation start" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=when+did+taxation+start&country=us" +--------------+------------------+ | volume | 1,000 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-15 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
when did taxation start in the us 1,300 $4.14 17/20
who invented taxes 1,000 $0 20/20
income taxes history 1,000 $2.27 18/20
when did taxes start 1,000 $0 18/20
when did taxing start 1,000 $3.39 18/20
when did tax start 1,000 $3.39 17/20
taxes history 880 $2.51 18/20
history of taxes 480 $2.15 19/20
how did taxes start 90 $0 19/20
why were taxes invented 50 $0 18/20

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=when+did+taxation+start&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