Tempo, the payments-focused layer-1 blockchain backed by Stripe and Paradigm, went live with its mainnet on Wednesday — bringing a new payments infrastructure aimed squarely at the emerging “agentic” economy, where autonomous AI agents buy and sell services on behalf of users.
Alongside the launch Tempo introduced the Machine Payments Protocol (MPP), an open standard co-authored with Stripe that is designed to overcome the limits of today’s payment rails and let machines transact with each other programmatically. Instead of each service inventing its own billing flow, MPP standardizes how agents request, authorize, and settle payments — enabling an agent to request a resource, receive a payment request, authorize a payment from its wallet, and have the transaction settle instantly so the service can deliver the resource.
Key attributes and early integrations
- Payment-method agnostic: MPP supports a range of payment options — from stablecoins on Tempo to cards, wallets and Bitcoin over Lightning — letting agents use whatever instrument is appropriate.
- Open and extensible: The protocol is public by design, so third parties can extend it without permission.
- Streaming payments: Sessions and state channels let agents make continuous, programmatic payment streams within predefined limits.
- Lightweight and efficient: Built to minimize friction for machine-to-machine commerce.
Tempo already has high-profile partners extending MPP. Visa added card-based support, Lightspark brought Lightning Network compatibility for Bitcoin payments, and Stripe built out support for cards, wallets and other methods. Tempo also published a directory of compatible services — including APIs from OpenAI, Anthropic and Google — that agents can discover and pay for via MPP.
Why this matters
Tempo is positioning itself as payments-first infrastructure to tackle long-standing problems like cross-border remittances and slow, fragmented billing systems — but its immediate focus is enabling autonomous agents to transact reliably and at scale. The move aligns with a broader industry push to marry blockchain and AI: the Ethereum Foundation recently spun up an AI team and supported proposals and protocols (such as work on ERC-8004) that enable agent payments, and firms including Coinbase have been building agent-aware wallets and guardrails.
If Tempo and MPP catch on, they could become foundational plumbing for an economy where AI agents routinely pay for compute, data, API calls and services — shifting some of the complexity of commerce from humans to machines.
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