---
title: "List priced resources"
description: ""
canonical: "https://pgbeam.com/docs/api/payments/listPaymentResources"
last-updated: "2026-09-07T21:43:42.000Z"
---

# List priced resources

> 

URL: https://pgbeam.com/docs/api/payments/listPaymentResources

Lists what an agent can buy over the Machine Payments Protocol, with the
unit, the pack size, and the price of one pack. Discovery only: the
`WWW-Authenticate: Payment` challenge returned by a priced operation is
always authoritative.

This endpoint takes no authentication so an agent can read the price
before it holds a credential.