generated: '2026-07-18' method: searched source: https://docs.columntax.com/reference/authentication docs: https://docs.columntax.com/reference/authentication summary: types: [http] http_schemes: [basic] credential_provisioning: manual notes: 'Credentials (client_id and client_secret) are provisioned by the Column Tax team and must be stored in secure credentials storage. All API calls are made server-side to keep the client_secret off the client.' schemes: - name: basicAuth type: http scheme: basic description: 'HTTP Basic authentication. The Authorization header carries Base64-encoded client_id:client_secret. Every request must include this header.' location: header header: Authorization format: 'Basic base64(client_id:client_secret)' sources: [https://docs.columntax.com/reference/authentication] required_headers: - name: Authorization value: 'Basic ' applies_to: all requests - name: Content-Type value: application/json applies_to: POST requests