generated: '2026-09-26'
method: searched
generator: extract-docs-artifacts.py (local)
source: https://docs.ataccama.com/one/latest/one-apis/api-requests-authentication.html
sources:
- https://docs.ataccama.com/one/latest/one-apis/api-requests-authentication.html
- https://docs.ataccama.com/one/latest/getting-started/get-started-with-data-quality.html
- https://docs.ataccama.com/one/latest/getting-started/get-started-with-catalog-and-glossary.html
- https://docs.ataccama.com/one/latest/getting-started/get-started-with-data-observability.html
description: Authentication for Ataccama ONE APIs
schemes:
- type: oauth2
  name: Keycloak
  evidence: The only supported provider of access tokens for ONE is Keycloak.
  flows:
  - client_credentials
  how_to_obtain: Obtain an access token from Keycloak using a service account client with either Client ID and Secret or JSON Web authentication.
docs: https://docs.ataccama.com/one/latest/one-apis/api-requests-authentication.html