---
title: "Seed Chat"
method: POST
path: "/chat/seed-chat-session"
tags: ["public"]
---

# Seed Chat

`POST /chat/seed-chat-session`

## Request body

- ChatSeedRequest
  - `persona_id` integer, required
  - `llm_override` LLMOverride
    - `model_provider` string, nullable
    - `model_version` string, nullable
    - `temperature` number, nullable
  - `prompt_override` PromptOverride
    - `system_prompt` string, nullable
    - `task_prompt` string, nullable
  - `description` string, nullable
  - `message` string, nullable

## Response `200`

Successful Response

- ChatSeedResponse
  - `redirect_url` string, required

## Other responses

- `422` — Validation Error

## Changes

- **2026-01-06** `2d941ea53eb3` — 2 info
  - api tag `public` added
  - the response property `redirect_url` became required for the status `200`
- **2025-09-10** `624199972123` — 1 warning
  - removed the request property `prompt_id`
- **2025-08-21** `9321c45d93b5` — 1 breaking, 2 info
  - the response property `redirect_url` became optional for the status `200`
  - api tag `public` removed
  - added the new optional request property `prompt_id`

[Change history](https://skmtc.dev/onyx-dot-app/apis/onyx-api/changes/chat/seed-chat-session/post.md)

---

[API](https://skmtc.dev/onyx-dot-app/apis/onyx-api.md) · [All operations](https://skmtc.dev/onyx-dot-app/apis/onyx-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/onyx-dot-app/onyx-api/revisions/2980a9073ffe/schema)