seodata.dev

keyword

passage series

Monthly search volume and cost-per-click data for "passage series" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=passage+series&country=us" +--------------+------------------+ | volume | 50 | | cpc | $0 | | competition | 0.05 | | country | US | | updated | 2026-06-06 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
the passage 9,900 $0.67 20/20
the passage tv show 5,400 $0 17/20
the passage tv series 5,400 $0 10/20
the passage books 2,900 $0.37 11/20
the passage series 1,000 $0.44 13/20
the passage book series 880 $0.23 12/20
the passage trilogy 880 $0.23 10/20
the passage show 210 $0 12/20
passage show 40 $0 11/20
the passage tv 40 $0 11/20

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=passage+series&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