---
title: "Compose Preview"
method: POST
path: "/api/ai-builder/compose"
tags: ["AI Builder"]
---

# Compose Preview

`POST /api/ai-builder/compose`

## Request

- Base URL: `https://api.agentstack.tech` (the document declares no server; this is the origin it was published from)
- URL: `https://api.agentstack.tech/api/ai-builder/compose`
- Auth: one of:
  - API key in header `X-API-Key`
  - HTTP bearer

Dry-run deterministic compose (returns file list + hashes, not written to disk).

## Headers

- `Idempotency-Key` string

## Request body

- object

## Response `200`

Successful Response

- unknown

## Other responses

- `400`: Bad Request
- `401`: Unauthorized
- `403`: Forbidden
- `404`: Not Found
- `409`: Conflict
- `422`: Validation Error
- `429`: Too Many Requests
- `500`: Internal Server Error

---

[API](https://skmtc.dev/agentstack/apis/agentstack-core-api.md) · [All operations](https://skmtc.dev/agentstack/apis/agentstack-core-api/llms.txt) · [OpenAPI document](https://skmtc.dev/agentstack/apis/agentstack-core-api/revisions/79f4a4dd8813?raw)