# x402

> x402: Standards. Works with Soda Bubble, so balances and transfers stay confidential on chain.

Part of the Soda Labs Privacy Hub, a neutral directory of the on-chain privacy
landscape: https://www.sodalabs.xyz/privacy-hub

## Key facts

- Entry type: Bubble integration
- Category: Standards
- Website: https://www.x402.org
- Tags: standard, agentic payments
- Canonical page: https://www.sodalabs.xyz/privacy-hub/int-x402

## Overview

The agentic payment protocol. Machine-to-machine payments are exactly the flows nobody wants published, and Bubble gives x402 settlements confidential amounts by default.

## Related entries

- [ERC-3643](https://www.sodalabs.xyz/privacy-hub/int-erc3643): Standards
- [ERC-7943 (uRWA)](https://www.sodalabs.xyz/privacy-hub/int-erc7943): Standards
- [ERC-7984](https://www.sodalabs.xyz/privacy-hub/int-erc7984): Standards
- [Private ERC-20](https://www.sodalabs.xyz/privacy-hub/int-private-erc20): Standards
- [Base](https://www.sodalabs.xyz/privacy-hub/chain-base): Bubble live · enterprise-gated native option
- [Gnosis](https://www.sodalabs.xyz/privacy-hub/int-gnosis): Wallets