curl --request POST \
  --url https://api.deepseek.com/chat/completions \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: <content-type>' \
  --data '
{
  "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
}
'

import requests

url = "https://api.deepseek.com/chat/completions"

payload = {
    "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": None,
    "stream": False,
    "stream_options": None,
    "temperature": 1,
    "top_p": 1,
    "tools": None,
    "tool_choice": "none",
    "logprobs": False,
    "top_logprobs": None
}
headers = {
    "Content-Type": "<content-type>",
    "Authorization": "Bearer <token>"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': '<content-type>', Authorization: 'Bearer <token>'},
  body: JSON.stringify({
    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
  })
};

fetch('https://api.deepseek.com/chat/completions', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.deepseek.com/chat/completions",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    '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
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: <content-type>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.deepseek.com/chat/completions"

	payload := strings.NewReader("{\n  \"messages\": [\n    {\n      \"content\": \"You are a helpful assistant\",\n      \"role\": \"system\"\n    },\n    {\n      \"content\": \"Hi\",\n      \"role\": \"user\"\n    }\n  ],\n  \"model\": \"deepseek-chat\",\n  \"frequency_penalty\": 0,\n  \"max_tokens\": 2048,\n  \"presence_penalty\": 0,\n  \"response_format\": {\n    \"type\": \"text\"\n  },\n  \"stop\": null,\n  \"stream\": false,\n  \"stream_options\": null,\n  \"temperature\": 1,\n  \"top_p\": 1,\n  \"tools\": null,\n  \"tool_choice\": \"none\",\n  \"logprobs\": false,\n  \"top_logprobs\": null\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Content-Type", "<content-type>")
	req.Header.Add("Authorization", "Bearer <token>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://api.deepseek.com/chat/completions")
  .header("Content-Type", "<content-type>")
  .header("Authorization", "Bearer <token>")
  .body("{\n  \"messages\": [\n    {\n      \"content\": \"You are a helpful assistant\",\n      \"role\": \"system\"\n    },\n    {\n      \"content\": \"Hi\",\n      \"role\": \"user\"\n    }\n  ],\n  \"model\": \"deepseek-chat\",\n  \"frequency_penalty\": 0,\n  \"max_tokens\": 2048,\n  \"presence_penalty\": 0,\n  \"response_format\": {\n    \"type\": \"text\"\n  },\n  \"stop\": null,\n  \"stream\": false,\n  \"stream_options\": null,\n  \"temperature\": 1,\n  \"top_p\": 1,\n  \"tools\": null,\n  \"tool_choice\": \"none\",\n  \"logprobs\": false,\n  \"top_logprobs\": null\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.deepseek.com/chat/completions")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Content-Type"] = '<content-type>'
request["Authorization"] = 'Bearer <token>'
request.body = "{\n  \"messages\": [\n    {\n      \"content\": \"You are a helpful assistant\",\n      \"role\": \"system\"\n    },\n    {\n      \"content\": \"Hi\",\n      \"role\": \"user\"\n    }\n  ],\n  \"model\": \"deepseek-chat\",\n  \"frequency_penalty\": 0,\n  \"max_tokens\": 2048,\n  \"presence_penalty\": 0,\n  \"response_format\": {\n    \"type\": \"text\"\n  },\n  \"stop\": null,\n  \"stream\": false,\n  \"stream_options\": null,\n  \"temperature\": 1,\n  \"top_p\": 1,\n  \"tools\": null,\n  \"tool_choice\": \"none\",\n  \"logprobs\": false,\n  \"top_logprobs\": null\n}"

response = http.request(request)
puts response.read_body