generated: '2026-07-11' method: derived source: openapi/ariba-sourcing-external-approval-api.yaml summary: types: - oauth2 oauth2_flows: - clientCredentials schemes: - name: OAuth2 type: oauth2 flows: - flow: clientCredentials tokenUrl: https://api.ariba.com/v2/oauth/token scopes: 0 description: OAuth 2.0 authentication. Obtain access token from https://api.ariba.com/v2/oauth/token using client credentials. sources: - openapi/ariba-sourcing-external-approval-api.yaml