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OpenAPI Specification

openapi: 3.2.0
info:
  title: BeliefState Intelligence Beliefs API
  version: '2026-10-05'
  description: 'Four read only research resources: Brief for ticker research, Beliefs for records and evidence, Sources for the research directory, and Tickers for coverage. REST research uses API keys; AI clients use OAuth through /mcp. Accountless x402 research offers 16 tools through HTTP and native MCP. On this server, /v1/research is the free catalog with exact per-tool prices and schemas; /v1/research/mcp is wallet MCP. Data calls cost 0.02 USDC on Base; model comparison 0.50; model-assisted search 1.50. Read the exact quote before paying.'
servers:
- url: https://beliefstate.ai
tags:


# --- truncated at 32 KB (1122 KB total) ---
# Full source: https://artifacts.apis.io/beliefstate-ai/openapi/beliefstate-ai-beliefs-api-openapi.yml