# x402 Proposals

Date: 2026-04-03

These are the current human-readable x402-related proposal documents published from this repository.

## Drafts

- [PoB escrow scheme on x402 transport](./x402-pob-escrow.md)

## Reading Order

1. Start with the x402 PoB escrow scheme draft for transport-level requirements.
2. Read the MPP intent and method drafts for the adjacent HTTP payment-authentication proposal work:
   - [Escrow intent for HTTP Payment Authentication](./mpp/draft-payment-intent-escrow-00.md)
   - [PoB escrow intent for HTTP Payment Authentication](./mpp/draft-pob-escrow-00.md)
   - [Card escrow intent draft](./mpp/draft-card-escrow-00.md)