API3 · Authentication Profile

Api3 Authentication

Authentication

API3 secures its APIs with http across 1 declared security scheme, as derived from its OpenAPI definitions.

BlockchainOracleDecentralizedData FeedsPrice FeedsWeb3DeFiSmart ContractsOEVdAPI
Methods: http Schemes: 1 OAuth flows: API key in:

Security Schemes

bearerAuth http
scheme: bearer

Source

Authentication Profile

api3-authentication.yml Raw ↑ 
generated: '2026-07-11'
method: derived
source: openapi/api3-signed-api-openapi.yml
summary:
  types:
  - http
schemes:
- name: bearerAuth
  type: http
  scheme: bearer
  description: Bearer token configured in the Signed API's allowedAirnodes or endpoint authTokens
    list. Required on endpoints or Airnode addresses configured with non-null authTokens.
  sources:
  - openapi/api3-signed-api-openapi.yml