REALMS API

Access the world's largest provenance-tracked spiritual entity knowledge base.

Free

$0

forever

  • 50 queries / day
  • Search entities, get detail
  • REST API access
  • Rate limited (60/min)

Enterprise

Custom

volume pricing

  • Unlimited queries
  • Bulk data export
  • Dedicated MCP instance
  • SLA guarantee
  • Custom integration support
Contact us

What you get

18,000+ Entities

Deities, spirits, ancestors, angels, and more from global traditions. Every entity has provenance-tracked sources with confidence scores.

130,000+ Relationships

14 typed relationship types including parent_of, sibling_of, consort_of, allied_with, enemy_of, syncretized_with.

MCP Native

Connect via MCP protocol — works with Claude Code, Cursor, VS Code, and any MCP-compatible agent.

Provenance Tracking

Every fact includes source citation, extraction confidence, cross-source consensus scoring, and integrity verification.

FAQ

How do I get a free API key?

Click the Get Free API Key button on the Free tier card above. Your key is generated instantly — no account or email required. You get 50 queries per day, free forever.

How do I use my API key?

Include it in the X-API-Key header: curl -H "X-API-Key: ro_..." https://realmsouthere.com/entities/. For MCP, set the REALMS_API_KEY environment variable.

Can I use this for commercial projects?

Yes. The Pro and Enterprise tiers include commercial usage rights. See our Terms of Service for details.

What's the data license?

Our entity extractions and relationships are our IP. Wikipedia source text remains CC-BY-SA. Your API subscription grants you a non-exclusive, worldwide license to use the data for your projects.

How do I cancel?

Cancel anytime from your Stripe dashboard. Your API key remains active until the end of the billing period.