seodata.dev

keyword

21 x 6

Monthly search volume and cost-per-click data for "21 x 6" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=21+x+6&country=us" +--------------+------------------+ | volume | 9,900 | | cpc | $1.2 | | competition | 0.03 | | country | US | | updated | 2026-06-16 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
21 x 5 14,800 $1.01 9/20
2/3 x 1 9,900 $0 7/20
3 x 7/3 9,900 $1.21 7/20
2/5 x 3 8,100 $0 8/20
1 1/2 x 3 8,100 $2.1 7/20
1/2 x 3 1/2 8,100 $3.8 7/20
x 1 2 5/2 5,400 $1.68 7/20
x 11 x 2 1,900 $3.48 8/20
21x 6 590 $0 10/20
21x-6 480 $0 9/20

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=21+x+6&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