---
title: "Create Chat Completion"
method: POST
path: "/api/v1/chat/completions"
tags: ["inference"]
deprecated: true
---

# Create Chat Completion

`POST /api/v1/chat/completions`

> **Deprecated.**

## Headers

- `X-API-Key` string, nullable

## Request body

- ChatCompletionRequest
  - `model` string, required
  - `messages` ChatMessage[], required
    - `role` string, required
    - `content` union
      - string
      - object[]
  - `stream` boolean
  - `temperature` number, nullable
  - `max_tokens` integer, nullable
  - `top_p` number, nullable

## Response `200`

Successful Response

- ChatCompletionResponse
  - `id` string, required
  - `object` string, required
  - `created` integer, required
  - `model` string, required
  - `choices` ChatCompletionChoice[], required
    - `index` integer, required
    - `message` ChatCompletionResponseMessage, required
      - `role` string, required
      - `content` string, nullable, required
    - `finish_reason` string, nullable
  - `usage` Usage
    - `prompt_tokens` integer, required
    - `completion_tokens` integer, required
    - `total_tokens` integer, required

---

[API](https://skmtc.dev/trajectory/apis/trajectory-api.md) · [All operations](https://skmtc.dev/trajectory/apis/trajectory-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/trajectory/trajectory-api/revisions/d930b23b9602/schema)