Mastercard is named as a Tempo/MPP design partner for agent payments

Card-network participation in MPP is a distribution signal, not a live volume print.

Tempo’s mainnet note lists Mastercard among partners working on mainnet payment use cases, and says MPP is extensible to card networks. This is partnership language, not a settlement-volume disclosure. zFinia files it as TIER_B/A official corporate communication depending on the primary source.

Why it matters

If both Visa and Mastercard attach agent credentials to 402-style protocols, machine payments leave the crypto-only ghetto.

Source: Tempo

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• Visa, Mastercard and Ant International begin Know-Your-Agent interoperability work prior-story
• Tempo mainnet ships with Stripe-coauthored Machine Payments Protocol prior-story
• Stripe documents MPP as an internet-native way for agents to pay prior-story