seodata.dev

keyword

control letter

Monthly search volume and cost-per-click data for "control letter" in US.

$ curl "https://app.seodata.dev/v1/search-volume?q=control-letter" +--------------+------------------+ | volume | 40 | | cpc | $0.1 | | competition | 0.01 | | country | US | | updated | 2026-03-30 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
ieee control systems letters 170 $0 5/20
system control letters 140 $0 5/20
systems control letters 140 $0 5/20
system and control letters 140 $0 4/20
systems & control letters 140 $0 4/20
systems and control letters 140 $0 4/20
control moving letters 110 $0 5/20
moving letters control 90 $0 5/20
cleanse and contain the moving letters 70 $0 4/20
control letters 40 $0.1 8/20

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/search-volume?q=control-letter" 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