Helious · Authentication Profile

Helious Authentication

Authentication

Authentication methods for Helious as documented

Helious declares 3 security scheme(s) across its OpenAPI definitions.

FinanceMarket DataNewsEconomic CalendarTreasury
Methods: Schemes: 3 OAuth flows: API key in:

Security Schemes

anonymous other
oauth oauth2
· flows:
api_key http-bearer

Source

Authentication Profile

Raw ↑ 
generated: '2026-11-11'
method: searched
generator: extract-docs-artifacts.py (local)
source: https://helious.io/.well-known/oauth-authorization-server
sources:
- https://helious.io/.well-known/oauth-authorization-server
- https://helious.io/auth.md
- https://helious.io/ai/
- https://api.helious.io/v1/context
description: Authentication methods for Helious as documented
schemes:
- type: other
  name: anonymous
  evidence: Send no credential. 1 day of history, news one hour behind, no market prices, 30 requests a minute shared per network address.
  how_to_obtain: No credential required; endpoints return data anonymously.
- type: oauth2
  name: oauth
  evidence: Authorization code with PKCE S256 and dynamic client registration.
  location: header
  header: Authorization
  flows:
  - authorization_code
  authorize_url: https://helious.io/oauth/authorize
  scopes:
  - market:read
  - account:read
  - openid
  - offline_access
  how_to_obtain: POST https://api.helious.io/oauth/register to obtain client_id, then send user to consent screen, exchange code at token endpoint.
- type: http-bearer
  name: api_key
  evidence: A long-lived key the person creates on their account page and gives to the agent.
  location: header
  header: Authorization
  how_to_obtain: Person creates a key via POST https://api.helious.io/api/me/api-keys using their signed‑in session.
docs: https://helious.io/.well-known/oauth-authorization-server

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