generated: '2026-07-11' method: derived source: openapi/listrak-crosschannel-openapi.yml, openapi/listrak-data-openapi.yml, openapi/listrak-email-openapi.yml, openapi/listrak-mobileclient-openapi.yml, openapi/listrak-privacy-openapi.yml, openapi/listrak-sms-openapi.yml, openapi/listrak-twowaysms-openapi.yml summary: types: - apiKey - oauth2 api_key_in: - header oauth2_flows: - clientCredentials schemes: - name: Authorizer type: apiKey in: header parameter: Authorization sources: - openapi/listrak-crosschannel-openapi.yml - openapi/listrak-twowaysms-openapi.yml - name: OAuth2 type: oauth2 flows: - flow: clientCredentials tokenUrl: https://auth.listrak.com/OAuth2/Token scopes: 0 sources: - openapi/listrak-data-openapi.yml - openapi/listrak-email-openapi.yml - openapi/listrak-privacy-openapi.yml - openapi/listrak-sms-openapi.yml - name: api_key type: apiKey in: header parameter: x-api-key sources: - openapi/listrak-mobileclient-openapi.yml