generated: '2026-07-18'
method: derived
source: openapi/brightback-retention-openapi.yml
summary:
  types:
  - apiKey
  api_key_in:
  - header
schemes:
- name: hmacSignature
  type: apiKey
  in: header
  parameter: Signature
  description: HMAC-SHA-512 signature computed over the request payload plus an ISO8601 timestamp,
    using the account's Brightback-issued private key.
  sources:
  - openapi/brightback-retention-openapi.yml
- name: hmacPublicKey
  type: apiKey
  in: header
  parameter: Signature-Public-Key
  description: The Brightback-issued public key identifying the signing account.
  sources:
  - openapi/brightback-retention-openapi.yml