the x402 implementation lab

Useful paths into
agent-native payments.

yx402 is building practical tools, guidance, and services for the people bringing x402 to the web.

Follow the work

why yx402

The protocol is new. The work should not be mysterious.

We make the implementation surface easier to understand—from an initial HTTP 402 response to a payment flow your customers, agents, and systems can rely on.

in the works

A growing implementation toolkit.

01

x402 playbook

A practical path from first payment requirement to production implementation.

in development
02

WordPress plugin

A native way to bring x402 payment flows to WordPress sites.

in development
03

PHP library

The implementation layer that powers the WordPress integration and future PHP projects.

in development
04

Paid services

Hands-on implementation support for teams building with x402.

coming next
05

Additional ecommerce integrations for sellers

More ways for sellers to bring x402 payment flows to the ecommerce platforms they already use.

in development

not currently available

402 Probe

Our x402-payable API checks a URL's HTTP 402 posture: its payment requirement, offer data, and whether an agent can actually pay it.

Explore the probe on GitHub

follow along

Notes from the edge of x402.

We are documenting what we learn while building. The first posts are on their way.

blog opening soon