curl --request POST \
  --url https://cloud.datafyapi.com.br/v1/{phone_number_id}/messages \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "messaging_product": "whatsapp",
  "recipient_type": "individual",
  "to": "5511999999999",
  "type": "contacts",
  "contacts": [
    {
      "name": {
        "formatted_name": "Rafael Lima",
        "first_name": "Rafael",
        "last_name": "Lima"
      },
      "phones": [
        {
          "phone": "+55 11 98888-7777",
          "type": "WORK",
          "wa_id": "5511988887777"
        }
      ],
      "emails": [
        {
          "email": "rafael@exemplo.com.br",
          "type": "WORK"
        }
      ],
      "org": {
        "company": "Loja Exemplo",
        "title": "Consultor de vendas"
      }
    }
  ]
}
'

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    messaging_product: 'whatsapp',
    recipient_type: 'individual',
    to: '5511999999999',
    type: 'contacts',
    contacts: [
      {
        name: {formatted_name: 'Rafael Lima', first_name: 'Rafael', last_name: 'Lima'},
        phones: [{phone: '+55 11 98888-7777', type: 'WORK', wa_id: '5511988887777'}],
        emails: [{email: 'rafael@exemplo.com.br', type: 'WORK'}],
        org: {company: 'Loja Exemplo', title: 'Consultor de vendas'}
      }
    ]
  })
};

fetch('https://cloud.datafyapi.com.br/v1/{phone_number_id}/messages', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://cloud.datafyapi.com.br/v1/{phone_number_id}/messages"

payload = {
    "messaging_product": "whatsapp",
    "recipient_type": "individual",
    "to": "5511999999999",
    "type": "contacts",
    "contacts": [
        {
            "name": {
                "formatted_name": "Rafael Lima",
                "first_name": "Rafael",
                "last_name": "Lima"
            },
            "phones": [
                {
                    "phone": "+55 11 98888-7777",
                    "type": "WORK",
                    "wa_id": "5511988887777"
                }
            ],
            "emails": [
                {
                    "email": "rafael@exemplo.com.br",
                    "type": "WORK"
                }
            ],
            "org": {
                "company": "Loja Exemplo",
                "title": "Consultor de vendas"
            }
        }
    ]
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

{
  "messaging_product": "whatsapp",
  "contacts": [
    {
      "input": "5511999999999",
      "wa_id": "5511999999999"
    }
  ],
  "messages": [
    {
      "id": "wamid.HBgNNTUxMTk5OTk5OTk5ORUCABIYFjNFQjA="
    }
  ]
}

{
  "error": {
    "message": "(#100) Invalid parameter",
    "type": "OAuthException",
    "code": 100,
    "fbtrace_id": "AbCdEfGhIjK"
  }
}

{
  "statusCode": 401,
  "message": "Token inválido ou não encontrado."
}