---
title: "WhatsApp API for Product Launches and Digital Products | D-API"
description: "WhatsApp API for product launches: isolated numbers with dedicated proxies, live class reminders against no-shows, native CTAs and cart sends without bans."
url: https://d-api.cloud/en/whatsapp-api-for-product-launches
---

Use case · Product Launches and Digital Products

# WhatsApp API for product launches: send across your funnel without losing numbers

On cart day, a number banned mid-send throws revenue away. With our WhatsApp API for digital products you spread the volume across multiple isolated WhatsApp numbers and keep the campaign running from the first pre-launch video to cart close.

-   Connections: Isolated
-   Uptime: 99.9%
-   Scale: In parallel

## Talk to our team

See how D-API fits into your product. Support in English, and we reply within 1 business day.

Short answer

## How do you use WhatsApp in a launch without losing numbers at cart open?

Split the send across several WhatsApp numbers, each in an isolated instance with its own proxy and IP, so a problem on one number does not stop the campaign. With D-API, the warm-up, the class reminders and the cart opening go out through the API or through automations in n8n, Make and Zapier. Delivery, reads and replies are visible in real time throughout the launch.

The problem

## You shouldn't be solving this.

Problems D-API takes off your plate.

1.  ### Number banned at peak cart
    
    You put the whole launch send on a single number and, when volume spikes, WhatsApp blocks it right at the moment of highest urgency.
    
2.  ### No-shows that kill the live class
    
    People sign up, but half never show up to the webinar because the email reminder is never opened and you lack a channel with real delivery.
    
3.  ### Scarcity messages at the wrong time
    
    Closing the cart is a matter of minutes, but without fine control over sends the "last spots" message goes out late or not at all.
    

How it works

## From zero to production in five steps.

1.  ### Provision your numbers
    
    Bring up one isolated instance per WhatsApp number, each with a dedicated proxy and its own IP, ready for launch volume.
    
2.  ### Build the warm-up sequence
    
    Connect it to your automation and schedule the pre-launch content series plus the live class reminders, with delivery far above email.
    
    [See integrations](https://d-api.cloud/en/integrations)
    
3.  ### Open the cart with native CTAs
    
    Send the cart open and close messages in sync with the campaign using buttons, lists, carousels and payment links to sell in one tap.
    
    [Sending endpoints](https://docs.d-api.cloud/)
    
4.  ### Track delivery and health
    
    Monitor delivery, reads, reply rate and the health of each number in real time to react before anything goes down.
    
5.  ### Nurture your evergreen funnel between launches
    
    Keep the funnel active with ongoing nurturing and continuity offers until the next cart opens.
    

Node.jscURLPythonPHP

```
import { DApi } from 'd-api-sdk'

const dapi = new DApi({ apiKey: process.env.DAPI_API_KEY })

await dapi.sessions.create({
  sessionId: 'customer-42',
  webhookUrl: 'https://your-app.com/webhooks/whatsapp',
})

const { qrCodeImage } = await dapi.sessions.getQRCode('customer-42')

// once the number scans the QR code
await dapi.messages.sendText({
  sessionId: 'customer-42',
  to: '14155550123',
  text: 'Your order is confirmed!',
})
```

```
curl -X POST https://api.d-api.cloud/api/v1/sessions \
  -H "Authorization: $DAPI_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"sessionId": "customer-42", "webhookUrl": "https://your-app.com/webhooks/whatsapp"}'

curl https://api.d-api.cloud/api/v1/sessions/customer-42/qr \
  -H "Authorization: $DAPI_API_KEY"

# once the number scans the QR code
curl -X POST https://api.d-api.cloud/api/v1/messages/send/text \
  -H "Authorization: $DAPI_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"sessionId": "customer-42", "to": "14155550123", "text": "Your order is confirmed!"}'
```

```
import os
import requests

API = "https://api.d-api.cloud/api/v1"
HEADERS = {"Authorization": os.environ["DAPI_API_KEY"]}

requests.post(f"{API}/sessions", headers=HEADERS, timeout=10, json={
    "sessionId": "customer-42",
    "webhookUrl": "https://your-app.com/webhooks/whatsapp",
})

qr = requests.get(f"{API}/sessions/customer-42/qr", headers=HEADERS, timeout=10).json()

# once the number scans the QR code
requests.post(f"{API}/messages/send/text", headers=HEADERS, timeout=10, json={
    "sessionId": "customer-42",
    "to": "14155550123",
    "text": "Your order is confirmed!",
})
```

```
<?php
use GuzzleHttp\Client;

$dapi = new Client([
    'base_uri' => 'https://api.d-api.cloud/api/v1/',
    'headers'  => ['Authorization' => getenv('DAPI_API_KEY')],
    'timeout'  => 10,
]);

$dapi->post('sessions', ['json' => [
    'sessionId'  => 'customer-42',
    'webhookUrl' => 'https://your-app.com/webhooks/whatsapp',
]]);

$qr = json_decode($dapi->get('sessions/customer-42/qr')->getBody(), true);

// once the number scans the QR code
$dapi->post('messages/send/text', ['json' => [
    'sessionId' => 'customer-42',
    'to'        => '14155550123',
    'text'      => 'Your order is confirmed!',
]]);
```

### Works with the tools you already use

-   n8n
-   Make
-   Zapier
-   Datacrazy CRM
-   Node.js SDK

What you get

## Warm up your list, fill the live class and close the cart, all on WhatsApp.

-   ### Several numbers in parallel
    
    One isolated instance per WhatsApp number, running at the same time, to spread launch volume across separate connections.
    
-   ### Dedicated proxy per connection
    
    Each number goes out with its own dedicated IP, reducing the risk of bans exactly when you scale sends on cart day.
    
-   ### Real per-instance isolation
    
    If one number has a problem mid-launch, the others keep sending normally, with no taking down the whole campaign.
    
-   ### Reminders that fight no-shows
    
    Schedule the live class sequence: 24h before, 1h before and "we are starting now", to drive webinar attendance.
    
-   ### Native CTAs that convert
    
    Native WhatsApp buttons, lists, carousels and payment links so the cart offer goes out with one-tap checkout.
    
-   ### Number health in real time
    
    Delivery, read and reply rate reports, plus health monitoring for each connection throughout the launch.
    
-   ### Scheduled sequences in your automation
    
    Integration with n8n, Make and Zapier to orchestrate the pre-launch warm-up and your evergreen funnel without manual sends.
    

FAQ

## Frequently asked questions.

### Why use multiple WhatsApp numbers in a launch?

Because putting the whole launch send on a single number increases the risk of a ban at peak cart. With multiple isolated WhatsApp numbers, each with a dedicated proxy and IP, you spread volume across connections that do not interfere with each other.

### Does this WhatsApp API for digital products outperform email?

WhatsApp usually has much higher open and reply rates than email, which makes a difference when warming up a list and sending live class reminders. You track delivery, reads and reply rate in real time to confirm this on every send.

### How do I send at the exact moment the cart opens?

You integrate the API with automations such as n8n, Make or Zapier and schedule the cart open and close sequences at the exact campaign time. Native CTAs, including payment links, keep the offer ready for immediate conversion.

### If a number goes down during the launch, do I lose everything?

No. Each number runs in an isolated instance, so a problem on one connection does not affect the rest. Number swaps are fast and do not require redoing the integration, and the infrastructure has 24/7 self-healing with 99.9% uptime.

### Does it work for evergreen funnels, not just one-off launches?

Yes. Beyond launches with open and closed cart, you keep ongoing evergreen nurturing and continuity product funnels between campaigns, using the same connections and automations you already set up.

## Related guides

-   [WhatsApp groups API](https://d-api.cloud/en/whatsapp-groups-api)
-   [How to avoid bans](https://d-api.cloud/en/avoid-whatsapp-ban)
-   [Multiple numbers](https://d-api.cloud/en/whatsapp-api-multiple-numbers)
-   [For marketing](https://d-api.cloud/en/whatsapp-api-for-marketing)

## Ready to go to production?

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[Talk to sales](https://d-api.cloud/#lead)[See integrations](https://d-api.cloud/en/integrations)