---
title: "Start Phase1 Generation For Session"
method: POST
path: "/admin/techpacks/sessions/{session_id}/start"
tags: ["admin"]
---

# Start Phase1 Generation For Session

`POST /admin/techpacks/sessions/{session_id}/start`

## Request

- Base URL: `https://api.threadchain.pro` (the document declares no server; this is the origin it was published from)
- URL: `https://api.threadchain.pro/admin/techpacks/sessions/{session_id}/start`
- Auth: OAuth 2
  - Password
  - Token URL: `auth/token`

Admin-only: Start Phase 1 generation (renders) for a questionnaire session.

This creates (or reuses) a queued TechPackJob and dispatches Celery `process_job`.

## Path parameters

- `session_id` string, uuid, required

## Response `200`

Successful Response

- SubmitQuestionnaireResponse
  - `success` boolean, required
  - `message` string, required
  - `job_id` string, uuid, required

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/threadchain/apis/threadchain-backend.md) - [All operations](https://skmtc.dev/threadchain/apis/threadchain-backend/llms.txt) - [OpenAPI document](https://skmtc.dev/threadchain/apis/threadchain-backend/revisions/8ee288a7e6bd?raw)