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keyword

king's letter from birmingham jail

Monthly search volume and cost-per-click data for "king's letter from birmingham jail" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=king's+letter+from+birmingham+jail&country=us" +--------------+------------------+ | volume | 880 | | cpc | $4.14 | | competition | 0.08 | | country | US | | updated | 2026-05-21 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
letter from birmingham jail 33,100 $3.54 20/20
letter to birmingham jail 33,100 $3.54 13/20
city of birmingham jail 2,900 $0 20/20
martin luther king letter from birmingham jail 1,900 $2.24 20/20
birmingham jail 1,300 $0 20/20
letter from 880 $0 15/20
king letters from birmingham jail 880 $3.04 14/20
martin luther king's letter from a birmingham jail 880 $4.14 13/20
the letter from birmingham jail 590 $2.25 20/20
what is letter from a birmingham jail about 30 $0 14/20

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=king's+letter+from+birmingham+jail&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