# Machine Payments Protocol (MPP)

*An open standard for machine and AI-agent payments, co-authored by Stripe and Tempo.*

MPP is Tempo's wedge into AI-agent commerce: most payment messages move off-chain while settling against on-chain escrow.

## At a glance

- **Type:** protocol component
- **Category:** protocol-core
- **Status:** mainnet

## Key facts

- **Co-authored by:** Stripe and Tempo _(confidence 90%)_
- **Sessions:** Open + settle in 2 on-chain transactions via a signed voucher _(confidence 85%)_
- **Payments Directory:** Launched with 100+ integrated services _(confidence 80%)_

## Related entities

- [Tempo](https://tempo.dataos.so/entity/tempo) — builds on
- [Stripe](https://tempo.dataos.so/entity/stripe) — partners
- [RedotPay](https://tempo.dataos.so/entity/redotpay) — integrates
- [Sponge](https://tempo.dataos.so/entity/sponge) — integrates

## Sources

1. [The Machine Payments Protocol](https://stripe.com/blog/machine-payments-protocol) — Stripe

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Last reviewed: 7 Jun 2025  
Canonical: https://tempo.dataos.so/entity/machine-payments-protocol  
Source: tempowiki (https://tempo.dataos.so) — an independent, sourced reference for the Tempo ecosystem. Not affiliated with Tempo, Stripe, or Paradigm.