curl --request POST \
  --url https://api.bulkneo.com/v1/messages/buttons \
  --header 'Content-Type: application/json' \
  --header 'apikey: <api-key>' \
  --data '
{
  "instance_id": "3f9c1a2b-7d4e-4c81-9f0a-2b6d5e8c1a34",
  "to": "919876543210",
  "title": "Confirm your order",
  "description": "Order #2043 — ₹1,299",
  "buttons": [
    {
      "type": "reply",
      "text": "Confirm",
      "id": "confirm_2043"
    },
    {
      "type": "url",
      "text": "View order",
      "url": "https://example.com/orders/2043"
    },
    {
      "type": "call",
      "text": "Call us",
      "phone_number": "919812345678"
    }
  ]
}
'

const options = {
  method: 'POST',
  headers: {apikey: '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    instance_id: '3f9c1a2b-7d4e-4c81-9f0a-2b6d5e8c1a34',
    to: '919876543210',
    title: 'Confirm your order',
    description: 'Order #2043 — ₹1,299',
    buttons: [
      {type: 'reply', text: 'Confirm', id: 'confirm_2043'},
      {type: 'url', text: 'View order', url: 'https://example.com/orders/2043'},
      {type: 'call', text: 'Call us', phone_number: '919812345678'}
    ]
  })
};

fetch('https://api.bulkneo.com/v1/messages/buttons', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.bulkneo.com/v1/messages/buttons"

payload = {
    "instance_id": "3f9c1a2b-7d4e-4c81-9f0a-2b6d5e8c1a34",
    "to": "919876543210",
    "title": "Confirm your order",
    "description": "Order #2043 — ₹1,299",
    "buttons": [
        {
            "type": "reply",
            "text": "Confirm",
            "id": "confirm_2043"
        },
        {
            "type": "url",
            "text": "View order",
            "url": "https://example.com/orders/2043"
        },
        {
            "type": "call",
            "text": "Call us",
            "phone_number": "919812345678"
        }
    ]
}
headers = {
    "apikey": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

{
  "success": true,
  "data": {
    "instance_id": "3f9c1a2b-7d4e-4c81-9f0a-2b6d5e8c1a34",
    "to": "919876543210",
    "type": "buttons",
    "status": "sent",
    "message_id": "3EB0C1D2F4A5B6C7D8E9",
    "provider_status": "PENDING",
    "best_effort": true,
    "note": "Interactive messages are best-effort: many WhatsApp clients no longer render them and may show a plain-text fallback instead. A successful response means the message was accepted for delivery, not that the buttons will appear. Do not depend on it for anything critical — send a text message with clear instructions as a fallback."
  },
  "request_id": "b1f2c3d4-5e6f-4a7b-8c9d-0e1f2a3b4c5d"
}

{
  "success": false,
  "error": {
    "code": "invalid_request",
    "message": "Field \"text\" is required and must be a non-empty string."
  },
  "request_id": "b1f2c3d4-5e6f-4a7b-8c9d-0e1f2a3b4c5d"
}

{
  "success": false,
  "error": {
    "code": "invalid_api_key",
    "message": "Invalid or revoked API key."
  },
  "request_id": "b1f2c3d4-5e6f-4a7b-8c9d-0e1f2a3b4c5d"
}

{
  "success": false,
  "error": {
    "code": "subscription_expired",
    "message": "Your subscription has expired. Renew it to continue sending messages."
  },
  "request_id": "b1f2c3d4-5e6f-4a7b-8c9d-0e1f2a3b4c5d"
}

{
  "success": false,
  "error": {
    "code": "trial_quota_exceeded",
    "message": "Trial message quota reached (500 messages). Upgrade to a paid plan to keep sending.",
    "details": {
      "trial_message_limit": 500
    }
  },
  "request_id": "b1f2c3d4-5e6f-4a7b-8c9d-0e1f2a3b4c5d"
}

{
  "success": false,
  "error": {
    "code": "instance_not_found",
    "message": "Instance not found. Check the instance_id and that it belongs to your account."
  },
  "request_id": "b1f2c3d4-5e6f-4a7b-8c9d-0e1f2a3b4c5d"
}

{
  "success": false,
  "error": {
    "code": "instance_not_connected",
    "message": "This WhatsApp instance is not connected. Connect it before sending messages."
  },
  "request_id": "b1f2c3d4-5e6f-4a7b-8c9d-0e1f2a3b4c5d"
}

{
  "success": false,
  "error": {
    "code": "invalid_recipient",
    "message": "The recipient number is not a valid WhatsApp number."
  },
  "request_id": "b1f2c3d4-5e6f-4a7b-8c9d-0e1f2a3b4c5d"
}

{
  "success": false,
  "error": {
    "code": "rate_limit_exceeded",
    "message": "Rate limit exceeded, retry in 12s.",
    "details": {
      "retry_after_seconds": 12,
      "limit_per_minute": 20,
      "scope": "messages"
    }
  },
  "request_id": "b1f2c3d4-5e6f-4a7b-8c9d-0e1f2a3b4c5d"
}

{
  "success": false,
  "error": {
    "code": "internal_error",
    "message": "An unexpected error occurred."
  },
  "request_id": "b1f2c3d4-5e6f-4a7b-8c9d-0e1f2a3b4c5d"
}

{
  "success": false,
  "error": {
    "code": "upstream_unavailable",
    "message": "The messaging service is temporarily unavailable. Please retry shortly."
  },
  "request_id": "b1f2c3d4-5e6f-4a7b-8c9d-0e1f2a3b4c5d"
}