generated: '2026-07-11' method: derived source: openapi/mastercard-consumer-credit-analytics-openapi.yml summary: types: - apiKey api_key_in: - header schemes: - name: credit_analytics_auth type: apiKey in: header parameter: api_key description: Mastercard uses one-legged OAuth1.0a to authenticate its APIs. See https://developer.mastercard.com/platform/documentation/security-and-authentication/using-oauth-1a-to-access-mastercard-apis/ for more details. sources: - openapi/mastercard-consumer-credit-analytics-openapi.yml