generated: '2026-07-17'
method: searched
source: openapi/advance-intelligence-group-advance-ai-openapi.yml
docs: https://doc.advance.ai/global_document_verification.html
summary:
  types:
  - apiKey
  api_key_in:
  - header
  model: >-
    Two-step: obtain a short-lived access token by signing a request with your
    accessKey + secretKey, then pass the token in the X-ACCESS-TOKEN header on
    every API call.
schemes:
- name: AccessToken
  type: apiKey
  in: header
  parameter: X-ACCESS-TOKEN
  description: >-
    Short-lived access token passed on every request. Obtained from
    POST /openapi/auth/ticket/v1/generate-token.
  sources:
  - openapi/advance-intelligence-group-advance-ai-openapi.yml
token_flow:
  endpoint: POST /openapi/auth/ticket/v1/generate-token
  request:
    accessKey: Account access key.
    timestamp: 13-digit Unix epoch milliseconds.
    signature: SHA256(accessKey + secretKey + timestamp).
    periodSecond: Optional token TTL in seconds (default 3600, range 60-86400).
  response:
    token: Value for the X-ACCESS-TOKEN header.
    expiredTime: Unix expiry timestamp; re-request when expired.
notes:
- No OAuth 2.0 or OpenID Connect; credentials are an accessKey/secretKey pair.
- Signature-based token issuance prevents replay via the timestamp component.