seodata.dev

keyword

counterfeit pen turns yellow

Monthly search volume and cost-per-click data for "counterfeit pen turns yellow" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=counterfeit+pen+turns+yellow&country=us" +--------------+------------------+ | volume | 70 | | cpc | $0 | | competition | 0.12 | | country | US | | updated | 2026-06-07 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
counterfeit marker 6,600 $0.44 7/20
counterfeit detector pen 3,600 $0.99 7/20
counterfeit money detector pen 3,600 $1.39 7/20
counterfeit money marker 3,600 $0.11 7/20
money pen 1,600 $0.32 7/20
how do counterfeit pens work 880 $0.59 13/20
counterfeit pen test colors 50 $1.32 8/20
do counterfeit pens work on old bills 50 $0 7/20
can a counterfeit pen be wrong 30 $0 9/20
what color does counterfeit money pen turn 10 $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=counterfeit+pen+turns+yellow&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