---
title: "Machine-readable upgrade ladder"
method: GET
path: "/v5/why-not-free"
tags: ["Payment"]
---

# Machine-readable upgrade ladder

`GET /v5/why-not-free`

## Request

- Base URL: `https://headlessoracle.com`
- URL: `https://headlessoracle.com/v5/why-not-free`
- Auth: none declared

Structured payment options for agents that receive a 402. Linked from every 402 via Link header.

## Response `200`

Payment options

- object

---

[API](https://skmtc.dev/headlessoracle/apis/headless-oracle.md) · [All operations](https://skmtc.dev/headlessoracle/apis/headless-oracle/llms.txt) · [OpenAPI document](https://skmtc.dev/headlessoracle/apis/headless-oracle/revisions/4e82fe332f29?raw)