---
title: "Read the session-scoped Custom GPT Action OpenAPI schema"
method: GET
path: "/api/chatgpt-sidecar/s/:ticket/action-openapi.json"
tags: ["ChatGPT Sidecar"]
---

# Read the session-scoped Custom GPT Action OpenAPI schema

`GET /api/chatgpt-sidecar/s/:ticket/action-openapi.json`

## Request

- Base URL: `https://api.cernion.de`
- URL: `https://api.cernion.de/api/chatgpt-sidecar/s/:ticket/action-openapi.json`
- Auth: none declared

Returns a minimal ticket-scoped OpenAPI schema for Custom GPT Actions. The schema intentionally exposes only read-only ask/plan operations.

## Path parameters

- `ticket` string, required

## Query parameters

- `token` string

## Response `200`

Successful response

- object

---

[API](https://skmtc.dev/cernion/apis/cernion-energy-tools-api.md) · [All operations](https://skmtc.dev/cernion/apis/cernion-energy-tools-api/llms.txt) · [OpenAPI document](https://skmtc.dev/cernion/apis/cernion-energy-tools-api/revisions/cdb94473b538?raw)