curl --request POST \
  --url https://api.immutable.com/v1/audience/messages \
  --header 'Content-Type: application/json' \
  --header 'x-immutable-publishable-key: <x-immutable-publishable-key>' \
  --data '
{
  "messages": [
    {
      "type": "<string>",
      "messageId": "<string>",
      "eventTimestamp": "<string>",
      "anonymousId": "<string>",
      "deviceId": "<string>",
      "sessionId": "<string>",
      "context": {
        "library": "<string>",
        "libraryVersion": "<string>",
        "userAgent": "<string>",
        "locale": "<string>",
        "timezone": "<string>",
        "screen": "<string>",
        "screenDensity": 123,
        "pageUrl": "<string>",
        "pagePath": "<string>",
        "pageReferrer": "<string>",
        "pageTitle": "<string>",
        "browserLanguage": "<string>"
      },
      "eventName": "<string>",
      "properties": {},
      "userId": "<string>",
      "identityType": "<string>",
      "traits": {},
      "fromId": "<string>",
      "fromType": "<string>",
      "toId": "<string>",
      "toType": "<string>",
      "surface": "<string>",
      "consentLevel": "<string>",
      "test": true
    }
  ]
}
'

import requests

url = "https://api.immutable.com/v1/audience/messages"

payload = { "messages": [
        {
            "type": "<string>",
            "messageId": "<string>",
            "eventTimestamp": "<string>",
            "anonymousId": "<string>",
            "deviceId": "<string>",
            "sessionId": "<string>",
            "context": {
                "library": "<string>",
                "libraryVersion": "<string>",
                "userAgent": "<string>",
                "locale": "<string>",
                "timezone": "<string>",
                "screen": "<string>",
                "screenDensity": 123,
                "pageUrl": "<string>",
                "pagePath": "<string>",
                "pageReferrer": "<string>",
                "pageTitle": "<string>",
                "browserLanguage": "<string>"
            },
            "eventName": "<string>",
            "properties": {},
            "userId": "<string>",
            "identityType": "<string>",
            "traits": {},
            "fromId": "<string>",
            "fromType": "<string>",
            "toId": "<string>",
            "toType": "<string>",
            "surface": "<string>",
            "consentLevel": "<string>",
            "test": True
        }
    ] }
headers = {
    "x-immutable-publishable-key": "<x-immutable-publishable-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {
    'x-immutable-publishable-key': '<x-immutable-publishable-key>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    messages: [
      {
        type: '<string>',
        messageId: '<string>',
        eventTimestamp: '<string>',
        anonymousId: '<string>',
        deviceId: '<string>',
        sessionId: '<string>',
        context: {
          library: '<string>',
          libraryVersion: '<string>',
          userAgent: '<string>',
          locale: '<string>',
          timezone: '<string>',
          screen: '<string>',
          screenDensity: 123,
          pageUrl: '<string>',
          pagePath: '<string>',
          pageReferrer: '<string>',
          pageTitle: '<string>',
          browserLanguage: '<string>'
        },
        eventName: '<string>',
        properties: {},
        userId: '<string>',
        identityType: '<string>',
        traits: {},
        fromId: '<string>',
        fromType: '<string>',
        toId: '<string>',
        toType: '<string>',
        surface: '<string>',
        consentLevel: '<string>',
        test: true
      }
    ]
  })
};

fetch('https://api.immutable.com/v1/audience/messages', 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.immutable.com/v1/audience/messages",
  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' => [
        [
                'type' => '<string>',
                'messageId' => '<string>',
                'eventTimestamp' => '<string>',
                'anonymousId' => '<string>',
                'deviceId' => '<string>',
                'sessionId' => '<string>',
                'context' => [
                                'library' => '<string>',
                                'libraryVersion' => '<string>',
                                'userAgent' => '<string>',
                                'locale' => '<string>',
                                'timezone' => '<string>',
                                'screen' => '<string>',
                                'screenDensity' => 123,
                                'pageUrl' => '<string>',
                                'pagePath' => '<string>',
                                'pageReferrer' => '<string>',
                                'pageTitle' => '<string>',
                                'browserLanguage' => '<string>'
                ],
                'eventName' => '<string>',
                'properties' => [
                                
                ],
                'userId' => '<string>',
                'identityType' => '<string>',
                'traits' => [
                                
                ],
                'fromId' => '<string>',
                'fromType' => '<string>',
                'toId' => '<string>',
                'toType' => '<string>',
                'surface' => '<string>',
                'consentLevel' => '<string>',
                'test' => true
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "x-immutable-publishable-key: <x-immutable-publishable-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 := "https://api.immutable.com/v1/audience/messages"

	payload := strings.NewReader("{\n  \"messages\": [\n    {\n      \"type\": \"<string>\",\n      \"messageId\": \"<string>\",\n      \"eventTimestamp\": \"<string>\",\n      \"anonymousId\": \"<string>\",\n      \"deviceId\": \"<string>\",\n      \"sessionId\": \"<string>\",\n      \"context\": {\n        \"library\": \"<string>\",\n        \"libraryVersion\": \"<string>\",\n        \"userAgent\": \"<string>\",\n        \"locale\": \"<string>\",\n        \"timezone\": \"<string>\",\n        \"screen\": \"<string>\",\n        \"screenDensity\": 123,\n        \"pageUrl\": \"<string>\",\n        \"pagePath\": \"<string>\",\n        \"pageReferrer\": \"<string>\",\n        \"pageTitle\": \"<string>\",\n        \"browserLanguage\": \"<string>\"\n      },\n      \"eventName\": \"<string>\",\n      \"properties\": {},\n      \"userId\": \"<string>\",\n      \"identityType\": \"<string>\",\n      \"traits\": {},\n      \"fromId\": \"<string>\",\n      \"fromType\": \"<string>\",\n      \"toId\": \"<string>\",\n      \"toType\": \"<string>\",\n      \"surface\": \"<string>\",\n      \"consentLevel\": \"<string>\",\n      \"test\": true\n    }\n  ]\n}")

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

	req.Header.Add("x-immutable-publishable-key", "<x-immutable-publishable-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("https://api.immutable.com/v1/audience/messages")
  .header("x-immutable-publishable-key", "<x-immutable-publishable-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"messages\": [\n    {\n      \"type\": \"<string>\",\n      \"messageId\": \"<string>\",\n      \"eventTimestamp\": \"<string>\",\n      \"anonymousId\": \"<string>\",\n      \"deviceId\": \"<string>\",\n      \"sessionId\": \"<string>\",\n      \"context\": {\n        \"library\": \"<string>\",\n        \"libraryVersion\": \"<string>\",\n        \"userAgent\": \"<string>\",\n        \"locale\": \"<string>\",\n        \"timezone\": \"<string>\",\n        \"screen\": \"<string>\",\n        \"screenDensity\": 123,\n        \"pageUrl\": \"<string>\",\n        \"pagePath\": \"<string>\",\n        \"pageReferrer\": \"<string>\",\n        \"pageTitle\": \"<string>\",\n        \"browserLanguage\": \"<string>\"\n      },\n      \"eventName\": \"<string>\",\n      \"properties\": {},\n      \"userId\": \"<string>\",\n      \"identityType\": \"<string>\",\n      \"traits\": {},\n      \"fromId\": \"<string>\",\n      \"fromType\": \"<string>\",\n      \"toId\": \"<string>\",\n      \"toType\": \"<string>\",\n      \"surface\": \"<string>\",\n      \"consentLevel\": \"<string>\",\n      \"test\": true\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.immutable.com/v1/audience/messages")

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

request = Net::HTTP::Post.new(url)
request["x-immutable-publishable-key"] = '<x-immutable-publishable-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"messages\": [\n    {\n      \"type\": \"<string>\",\n      \"messageId\": \"<string>\",\n      \"eventTimestamp\": \"<string>\",\n      \"anonymousId\": \"<string>\",\n      \"deviceId\": \"<string>\",\n      \"sessionId\": \"<string>\",\n      \"context\": {\n        \"library\": \"<string>\",\n        \"libraryVersion\": \"<string>\",\n        \"userAgent\": \"<string>\",\n        \"locale\": \"<string>\",\n        \"timezone\": \"<string>\",\n        \"screen\": \"<string>\",\n        \"screenDensity\": 123,\n        \"pageUrl\": \"<string>\",\n        \"pagePath\": \"<string>\",\n        \"pageReferrer\": \"<string>\",\n        \"pageTitle\": \"<string>\",\n        \"browserLanguage\": \"<string>\"\n      },\n      \"eventName\": \"<string>\",\n      \"properties\": {},\n      \"userId\": \"<string>\",\n      \"identityType\": \"<string>\",\n      \"traits\": {},\n      \"fromId\": \"<string>\",\n      \"fromType\": \"<string>\",\n      \"toId\": \"<string>\",\n      \"toType\": \"<string>\",\n      \"surface\": \"<string>\",\n      \"consentLevel\": \"<string>\",\n      \"test\": true\n    }\n  ]\n}"

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

{
  "success": true,
  "accepted": 123,
  "rejected": 123,
  "rejections": [
    {
      "messageId": "<string>",
      "errors": [
        {
          "field": "<string>",
          "code": "INVALID_FORMAT",
          "message": "<string>"
        }
      ]
    }
  ]
}

{
  "message": "all fields must be provided",
  "link": "https://docs.immutable.com",
  "trace_id": "e47634b79a5cd6894ddc9639ec4aad26",
  "code": "VALIDATION_ERROR",
  "details": {}
}

{
  "message": "all fields must be provided",
  "link": "https://docs.immutable.com",
  "trace_id": "e47634b79a5cd6894ddc9639ec4aad26",
  "code": "UNAUTHORISED_REQUEST",
  "details": {}
}

{
  "message": "all fields must be provided",
  "link": "https://docs.immutable.com",
  "trace_id": "e47634b79a5cd6894ddc9639ec4aad26",
  "code": "TOO_MANY_REQUESTS_ERROR",
  "details": {}
}

{
  "message": "all fields must be provided",
  "link": "https://docs.immutable.com",
  "trace_id": "e47634b79a5cd6894ddc9639ec4aad26",
  "code": "INTERNAL_SERVER_ERROR",
  "details": {}
}