LunarCrush · Authentication Profile

Lunarcrush Authentication

Authentication

LunarCrush secures its APIs with http across 1 declared security scheme, as derived from its OpenAPI definitions.

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Methods: http Schemes: 1 OAuth flows: API key in: header

Security Schemes

bearerAuth http
scheme: bearer

Source

Authentication Profile

lunarcrush-authentication.yml Raw ↑ 
generated: '2026-07-20'
method: searched
source: https://lunarcrush.com/developers/api/authentication
docs: https://lunarcrush.com/developers/api/authentication
summary:
  types: [http]
  scheme: bearer
  api_key_in: [header]
  note: >-
    Both LunarCrush surfaces (the v4 REST API at lunarcrush.com/api4 and the
    AI/agent interface at lunarcrush.ai) authenticate with a single Bearer API
    key passed in the Authorization header. There is no OAuth or per-scope
    authorization surface; access level is governed by the account subscription
    tier, not by token scopes.
schemes:
- name: bearerAuth
  type: http
  scheme: bearer
  description: >-
    API key issued in the LunarCrush account/settings, sent as
    `Authorization: Bearer <API_KEY>`.
  sources:
  - https://lunarcrush.com/developers/api/authentication
  applies_to:
  - api: LunarCrush API v4
    base_url: https://lunarcrush.com/api4
    example: 'curl -H "Authorization: Bearer <API_KEY>" https://lunarcrush.com/api4/public/topics/list/v1'
  - api: LunarCrush.ai
    base_url: https://lunarcrush.ai
    example: 'curl -H "Authorization: Bearer <API_KEY>" https://lunarcrush.ai/topic/bitcoin?format=json'
cli_auth:
  login_browser: lunarcrush login
  login_key: lunarcrush login --api-key <key>
  whoami: lunarcrush whoami