BeliefState

BeliefState Brief API

The Brief API from BeliefState — 2 operation(s) for brief.

GitHub OpenAPI

Operations 2

GET /v1/brief Review a stock thesis today and its conditional future case #
GET /v1/brief/{ticker} Buy a ticker overview with x402 #

Specifications

⚙
OpenAPI
https://artifacts.apis.io/beliefstate-ai/openapi/beliefstate-ai-brief-api-openapi.yml

Schemas & Data

📊
JSONSchema
https://artifacts.apis.io/beliefstate-ai/json-schema/beliefstate-ai-x402-get-brief-output-schema.json
📊
JSONSchema
https://artifacts.apis.io/beliefstate-ai/json-schema/beliefstate-ai-x402-list-research-visuals-output-schema.json
📊
JSONSchema
https://artifacts.apis.io/beliefstate-ai/json-schema/beliefstate-ai-x402-get-belief-output-schema.json
📊
JSONSchema
https://artifacts.apis.io/beliefstate-ai/json-schema/beliefstate-ai-x402-brief-overview-schema.json
📊
JSONSchema
https://artifacts.apis.io/beliefstate-ai/json-schema/beliefstate-ai-x402-get-beliefs-output-schema.json
📊
JSONSchema
https://artifacts.apis.io/beliefstate-ai/json-schema/beliefstate-ai-x402-get-context-assessment-output-schema.json

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API 
curl "https://apis.io/api/v1/apis/beliefstate-ai:beliefstate-ai-brief-api"
All apis 
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

beliefstate-ai-brief-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: BeliefState Intelligence Brief 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 (1768 KB total) ---
# Full source: https://artifacts.apis.io/beliefstate-ai/openapi/beliefstate-ai-brief-api-openapi.yml