generated: '2026-07-11' method: derived source: openapi/western-union-mass-payments-openapi.yml summary: types: - mutualTLS schemes: - name: mtlsAuth type: mutualTLS description: Mutual TLS authentication using client certificates provided by Western Union upon enrollment in the Partnership Program. Include the certificate and key with every request. sources: - openapi/western-union-mass-payments-openapi.yml