curl --request POST \
  --url https://api.zavu.dev/v1/senders \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "<string>",
  "phoneNumber": "<string>",
  "setAsDefault": false,
  "webhookUrl": "<string>",
  "webhookEvents": [
    "message.queued"
  ]
}
'

{
  "id": "sender_12345",
  "name": "Primary sender",
  "phoneNumber": "+13125551212",
  "isDefault": false,
  "webhook": {
    "url": "https://api.example.com/webhooks/zavu",
    "events": [
      "message.queued"
    ],
    "active": true,
    "secret": "whsec_abc123..."
  },
  "whatsapp": {
    "phoneNumberId": "<string>",
    "displayPhoneNumber": "+14155551234",
    "paymentStatus": {
      "setupStatus": "COMPLETE",
      "methodStatus": "VALID",
      "canSendTemplates": true
    }
  },
  "createdAt": "2023-11-07T05:31:56Z",
  "updatedAt": "2023-11-07T05:31:56Z"
}