curl --request POST \
  --url https://api.polymorfa.com/{version}/{phoneNumberId}/messages \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "messaging_product": "whatsapp",
  "recipient_type": "<string>",
  "to": "15551234567",
  "text": {
    "body": "<string>",
    "preview_url": true
  },
  "image": {
    "id": "<string>",
    "link": "<string>",
    "caption": "<string>",
    "filename": "<string>",
    "voice": true
  },
  "video": {
    "id": "<string>",
    "link": "<string>",
    "caption": "<string>",
    "filename": "<string>",
    "voice": true
  },
  "document": {
    "id": "<string>",
    "link": "<string>",
    "caption": "<string>",
    "filename": "<string>",
    "voice": true
  },
  "audio": {
    "id": "<string>",
    "link": "<string>",
    "caption": "<string>",
    "filename": "<string>",
    "voice": true
  },
  "sticker": {
    "id": "<string>",
    "link": "<string>",
    "caption": "<string>",
    "filename": "<string>",
    "voice": true
  },
  "location": {
    "latitude": 123,
    "longitude": 123,
    "name": "<string>",
    "address": "<string>"
  },
  "contacts": [
    null
  ],
  "reaction": {
    "message_id": "<string>",
    "emoji": "<string>"
  },
  "interactive": null,
  "template": null,
  "status": "read",
  "message_id": "<string>",
  "typing_indicator": null
}
'

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    messaging_product: 'whatsapp',
    recipient_type: '<string>',
    to: '15551234567',
    text: {body: JSON.stringify('<string>'), preview_url: true},
    image: {
      id: '<string>',
      link: '<string>',
      caption: '<string>',
      filename: '<string>',
      voice: true
    },
    video: {
      id: '<string>',
      link: '<string>',
      caption: '<string>',
      filename: '<string>',
      voice: true
    },
    document: {
      id: '<string>',
      link: '<string>',
      caption: '<string>',
      filename: '<string>',
      voice: true
    },
    audio: {
      id: '<string>',
      link: '<string>',
      caption: '<string>',
      filename: '<string>',
      voice: true
    },
    sticker: {
      id: '<string>',
      link: '<string>',
      caption: '<string>',
      filename: '<string>',
      voice: true
    },
    location: {latitude: 123, longitude: 123, name: '<string>', address: '<string>'},
    contacts: [null],
    reaction: {message_id: '<string>', emoji: '<string>'},
    interactive: null,
    template: null,
    status: 'read',
    message_id: '<string>',
    typing_indicator: null
  })
};

fetch('https://api.polymorfa.com/{version}/{phoneNumberId}/messages', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.polymorfa.com/{version}/{phoneNumberId}/messages"

payload = {
    "messaging_product": "whatsapp",
    "recipient_type": "<string>",
    "to": "15551234567",
    "text": {
        "body": "<string>",
        "preview_url": True
    },
    "image": {
        "id": "<string>",
        "link": "<string>",
        "caption": "<string>",
        "filename": "<string>",
        "voice": True
    },
    "video": {
        "id": "<string>",
        "link": "<string>",
        "caption": "<string>",
        "filename": "<string>",
        "voice": True
    },
    "document": {
        "id": "<string>",
        "link": "<string>",
        "caption": "<string>",
        "filename": "<string>",
        "voice": True
    },
    "audio": {
        "id": "<string>",
        "link": "<string>",
        "caption": "<string>",
        "filename": "<string>",
        "voice": True
    },
    "sticker": {
        "id": "<string>",
        "link": "<string>",
        "caption": "<string>",
        "filename": "<string>",
        "voice": True
    },
    "location": {
        "latitude": 123,
        "longitude": 123,
        "name": "<string>",
        "address": "<string>"
    },
    "contacts": [None],
    "reaction": {
        "message_id": "<string>",
        "emoji": "<string>"
    },
    "interactive": None,
    "template": None,
    "status": "read",
    "message_id": "<string>",
    "typing_indicator": None
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

package main

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

func main() {

	url := "https://api.polymorfa.com/{version}/{phoneNumberId}/messages"

	payload := strings.NewReader("{\n  \"messaging_product\": \"whatsapp\",\n  \"recipient_type\": \"<string>\",\n  \"to\": \"15551234567\",\n  \"text\": {\n    \"body\": \"<string>\",\n    \"preview_url\": true\n  },\n  \"image\": {\n    \"id\": \"<string>\",\n    \"link\": \"<string>\",\n    \"caption\": \"<string>\",\n    \"filename\": \"<string>\",\n    \"voice\": true\n  },\n  \"video\": {\n    \"id\": \"<string>\",\n    \"link\": \"<string>\",\n    \"caption\": \"<string>\",\n    \"filename\": \"<string>\",\n    \"voice\": true\n  },\n  \"document\": {\n    \"id\": \"<string>\",\n    \"link\": \"<string>\",\n    \"caption\": \"<string>\",\n    \"filename\": \"<string>\",\n    \"voice\": true\n  },\n  \"audio\": {\n    \"id\": \"<string>\",\n    \"link\": \"<string>\",\n    \"caption\": \"<string>\",\n    \"filename\": \"<string>\",\n    \"voice\": true\n  },\n  \"sticker\": {\n    \"id\": \"<string>\",\n    \"link\": \"<string>\",\n    \"caption\": \"<string>\",\n    \"filename\": \"<string>\",\n    \"voice\": true\n  },\n  \"location\": {\n    \"latitude\": 123,\n    \"longitude\": 123,\n    \"name\": \"<string>\",\n    \"address\": \"<string>\"\n  },\n  \"contacts\": [\n    null\n  ],\n  \"reaction\": {\n    \"message_id\": \"<string>\",\n    \"emoji\": \"<string>\"\n  },\n  \"interactive\": null,\n  \"template\": null,\n  \"status\": \"read\",\n  \"message_id\": \"<string>\",\n  \"typing_indicator\": null\n}")

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

	req.Header.Add("Authorization", "Bearer <token>")
	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))

}

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.polymorfa.com/{version}/{phoneNumberId}/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([
    'messaging_product' => 'whatsapp',
    'recipient_type' => '<string>',
    'to' => '15551234567',
    'text' => [
        'body' => '<string>',
        'preview_url' => true
    ],
    'image' => [
        'id' => '<string>',
        'link' => '<string>',
        'caption' => '<string>',
        'filename' => '<string>',
        'voice' => true
    ],
    'video' => [
        'id' => '<string>',
        'link' => '<string>',
        'caption' => '<string>',
        'filename' => '<string>',
        'voice' => true
    ],
    'document' => [
        'id' => '<string>',
        'link' => '<string>',
        'caption' => '<string>',
        'filename' => '<string>',
        'voice' => true
    ],
    'audio' => [
        'id' => '<string>',
        'link' => '<string>',
        'caption' => '<string>',
        'filename' => '<string>',
        'voice' => true
    ],
    'sticker' => [
        'id' => '<string>',
        'link' => '<string>',
        'caption' => '<string>',
        'filename' => '<string>',
        'voice' => true
    ],
    'location' => [
        'latitude' => 123,
        'longitude' => 123,
        'name' => '<string>',
        'address' => '<string>'
    ],
    'contacts' => [
        null
    ],
    'reaction' => [
        'message_id' => '<string>',
        'emoji' => '<string>'
    ],
    'interactive' => null,
    'template' => null,
    'status' => 'read',
    'message_id' => '<string>',
    'typing_indicator' => null
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

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

curl_close($curl);

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

{
  "messaging_product": "whatsapp",
  "contacts": [
    {
      "input": "<string>",
      "wa_id": "<string>"
    }
  ],
  "messages": [
    {
      "id": "<string>"
    }
  ]
}

{
  "error": {
    "message": "<string>",
    "type": "<string>",
    "code": 123,
    "fbtrace_id": "<string>",
    "error_subcode": 123,
    "error_data": null
  }
}

{
  "error": {
    "message": "<string>",
    "type": "<string>",
    "code": 123,
    "fbtrace_id": "<string>",
    "error_subcode": 123,
    "error_data": null
  }
}

{
  "error": {
    "message": "<string>",
    "type": "<string>",
    "code": 123,
    "fbtrace_id": "<string>",
    "error_subcode": 123,
    "error_data": null
  }
}

{
  "error": {
    "message": "<string>",
    "type": "<string>",
    "code": 123,
    "fbtrace_id": "<string>",
    "error_subcode": 123,
    "error_data": null
  }
}

{
  "error": {
    "message": "<string>",
    "type": "<string>",
    "code": 123,
    "fbtrace_id": "<string>",
    "error_subcode": 123,
    "error_data": null
  }
}

{
  "error": {
    "message": "<string>",
    "type": "<string>",
    "code": 123,
    "fbtrace_id": "<string>",
    "error_subcode": 123,
    "error_data": null
  }
}