Create Chat Completion

POST

/chat/completions

Creates a model response for the given chat conversation.

Request

Authorization

Bearer Token

Provide your bearer token in the

Authorization

header when making requests to protected resources.

Example:

Authorization: Bearer ********************

Body Params application/json

Examples

Responses

🟢200No streaming

application/json

OK, returns a chat completion object

Body

🟢200Streaming

Request Example

Shell

JavaScript

Java

Swift

cURL

No streaminngStreaming

curl --location --request POST 'https://api.deepseek.com/chat/completions' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data-raw '{
  "messages": [
    {
      "content": "You are a helpful assistant",
      "role": "system"
    },
    {
      "content": "Hi",
      "role": "user"
    }
  ],
  "model": "deepseek-chat",
  "frequency_penalty": 0,
  "max_tokens": 2048,
  "presence_penalty": 0,
  "response_format": {
    "type": "text"
  },
  "stop": null,
  "stream": false,
  "stream_options": null,
  "temperature": 1,
  "top_p": 1,
  "tools": null,
  "tool_choice": "none",
  "logprobs": false,
  "top_logprobs": null
}'

Response Example

200 - No streaming - Success

{
  "id": "930c60df-bf64-41c9-a88e-3ec75f81e00e",
  "choices": [
    {
      "finish_reason": "stop",
      "index": 0,
      "message": {
        "content": "Hello! How can I help you today?",
        "role": "assistant"
      }
    }
  ],
  "created": 1705651092,
  "model": "deepseek-chat",
  "object": "chat.completion",
  "usage": {
    "completion_tokens": 10,
    "prompt_tokens": 16,
    "total_tokens": 26
  }
}

Modified at 2025-09-19 07:37:02

Introduction

Create FIM Completion (Beta)