---
search:
  tags:
    - Operations
    - POST
seo:
  description: >-
    Supply prompt and optional documents to create a definition. To revise,
    include the… Reference for the POST /v1/systemtwo/models endpoint in the
    aityx API.
sidebar:
  label: Create, revise or check a portable model
  badge: POST
title: Create, revise or check a portable model
type: openapi-operation
---
Supply prompt and optional documents to create a definition. To revise, include
the complete current content and output questions. Nothing is saved by the server.
Prompt-based authoring uses System Two pricing. With content and no prompt or
files, this is a free validation check returning stages and the derived input schema.

`POST /v1/systemtwo/models`