TLDR Tech / Crypto
Machine Payments Protocol Ships Multi-Method Discovery
The Machine Payments Protocol (MPP), a payment-method and currency-agnostic standard with 10+ live payment methods spanning stablecoins on every EVM network, cards, and Bitcoin, shipped a major update to its discovery spec that allows servers to declare all payment offers ahead of time in a single discovery document rather than requiring clients to hit endpoints and parse 402 Challenges individually. The update enables services that accept multiple methods, currencies, and intent types on the same endpoint to advertise everything upfront, making it easier for registries and AI agents to find compatible payment options without dynamic probing. It's an infrastructure-level improvement for the machine-to-machine payments stack that sits alongside Coinbase's x402 and Amex's ACE kit.
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