curl --request POST \
  --url http://localhost:5300/api/v1/platform/bots/{bot_uuid}/send_message \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <api-key>' \
  --data '
{
  "target_id": "<string>",
  "message_chain": [
    {
      "type": "Plain",
      "text": "Hello, World!"
    }
  ]
}
'

import requests

url = "http://localhost:5300/api/v1/platform/bots/{bot_uuid}/send_message"

payload = {
    "target_id": "<string>",
    "message_chain": [
        {
            "type": "Plain",
            "text": "Hello, World!"
        }
    ]
}
headers = {
    "X-API-Key": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'X-API-Key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({target_id: '<string>', message_chain: [{type: 'Plain', text: 'Hello, World!'}]})
};

fetch('http://localhost:5300/api/v1/platform/bots/{bot_uuid}/send_message', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_PORT => "5300",
  CURLOPT_URL => "http://localhost:5300/api/v1/platform/bots/{bot_uuid}/send_message",
  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([
    'target_id' => '<string>',
    'message_chain' => [
        [
                'type' => 'Plain',
                'text' => 'Hello, World!'
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "X-API-Key: <api-key>"
  ],
]);

$response = curl_exec($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 := "http://localhost:5300/api/v1/platform/bots/{bot_uuid}/send_message"

	payload := strings.NewReader("{\n  \"target_id\": \"<string>\",\n  \"message_chain\": [\n    {\n      \"type\": \"Plain\",\n      \"text\": \"Hello, World!\"\n    }\n  ]\n}")

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

	req.Header.Add("X-API-Key", "<api-key>")
	req.Header.Add("Content-Type", "application/json")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("http://localhost:5300/api/v1/platform/bots/{bot_uuid}/send_message")
  .header("X-API-Key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"target_id\": \"<string>\",\n  \"message_chain\": [\n    {\n      \"type\": \"Plain\",\n      \"text\": \"Hello, World!\"\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("http://localhost:5300/api/v1/platform/bots/{bot_uuid}/send_message")

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

request = Net::HTTP::Post.new(url)
request["X-API-Key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"target_id\": \"<string>\",\n  \"message_chain\": [\n    {\n      \"type\": \"Plain\",\n      \"text\": \"Hello, World!\"\n    }\n  ]\n}"

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

{
  "code": 0,
  "data": {
    "sent": true
  }
}

{
  "code": -1,
  "msg": "<string>"
}