---
title: "Get Project Reasoning Config"
method: GET
path: "/api/ai-builder/projects/{project_id}/reasoning-config"
tags: ["AI Builder"]
---

# Get Project Reasoning Config

`GET /api/ai-builder/projects/{project_id}/reasoning-config`

## 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/projects/{project_id}/reasoning-config`
- Auth: one of:
  - API key in header `X-API-Key`
  - HTTP bearer

Get reasoning (thinking) step config (builder_config.reasoning: enabled, model, prompt, variant, run_at, inject_into_stages).

## Path parameters

- `project_id` integer, required: Project ID (e.g. 1 for ecosystem)

## 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/8ecf3406e74a?raw)
