seodata.dev

keyword

biggest marketing agencies

Monthly search volume and cost-per-click data for "biggest marketing agencies" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=biggest+marketing+agencies&country=us" +--------------+------------------+ | volume | 210 | | cpc | $6.2 | | competition | 0.39 | | country | US | | updated | 2026-05-27 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
famous marketing agencies 2,900 $16.91 17/20
top marketing agencies 2,900 $15.82 16/20
big marketing agencies 2,900 $15.52 13/20
top marketing firms 1,900 $25.88 15/20
popular marketing companies 1,900 $26.84 13/20
big marketing firms 480 $6.52 14/20
biggest marketing companies 480 $20.05 14/20
biggest marketing firms 480 $6.52 14/20
top marketing companies 480 $29.45 14/20
famous marketing companies 70 $5.38 15/20

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=biggest+marketing+agencies&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