---
title: "Update Prompt Schema"
method: POST
path: "/v1/prompts/{id}/schema"
tags: ["Prompts"]
---

# Update Prompt Schema

`POST /v1/prompts/{id}/schema`

Stores or updates a JSON Schema at the prompt level to enforce presence and types of input variables before execution.

## Path parameters

- `id` string, uuid, required — The ID of the prompt.

## Request body

- object
  - `schema` object — The JSON Schema to store.

## Response `200`

Schema updated successfully

- object
  - `prompt` Prompt, required
    - `id` string, uuid, required — Unique identifier.
    - `project_id` string, uuid, required — Unique identifier of the project the prompt belongs to.
    - `slug` string, required — Unique slug within the project.
    - `name` string, required — Name of the prompt container.
    - `description` string, required — Brief summary explaining the prompt purpose.
    - `status` 'active' | 'archived', required — Current status of the prompt container (active, archived).
    - `created_at` string, date-time, required
    - `updated_at` string, date-time, required

## Other responses

- `400` — Invalid request
- `401` — Unauthorized
- `403` — Forbidden
- `404` — Prompt not found

---

[API](https://skmtc.net/px0-ai/apis/px0-api.md) · [All operations](https://skmtc.net/px0-ai/apis/px0-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/px0-ai/px0-api/versions/3ed72443989d/schema)