Grahak OS · by Bharat Stack

Reach customers
across WhatsApp, SMS, Email, Voice

One platform for customer data, messaging, automation and campaigns, so every conversation stays connected whichever channel it starts on.

Turn your WhatsApp number into your #1 revenue channel with Grahak OS.

W
WECARE.DIGITALonline

Your order #WD-87A6G has been shipped

10:30

Track here: wecare.digital/track

10:30

When will it arrive?

10:31

Can I change the delivery address?

10:32
send_message.py
response = requests.post(
  "api.wecare.digital/outbound-whatsapp",
  json={
    "recipientPhone": "+919330994400",
    "content": "Your order #WD-87A6G has been shipped"
  },
  headers={"Authorization": bearer}
)

Every touchpoint
One seamless experience

Engage, support, and convert customers across their entire journey — from first contact to lasting loyalty

PromotionalTransactionalAppointmentsOTPsOrdersSurveys

Built for your stack

One POST per channel and a bearer token. Every message lands in the same canonical store the workspace reads, so your API traffic and your inbox are never two separate histories.

import requests

response = requests.post(
  "https://api.wecare.digital/outbound-whatsapp",
  headers={
    "Authorization": f"Bearer {access_token}"
  },
  json={
    "recipientPhone": "+919330994400",
    "content": "Your order #WD-87A6G has been shipped"
  }
)
Customer Data PlatformOne profile across every channel
Custom Data ModelingModel customers, events and business objects
Multichannel OrchestrationCoordinate WhatsApp, SMS, Email and Voice
Smart PersonalizationTrigger messages from customer behavior
Enterprise InfrastructureSecure APIs built to scale
Predictive AnalyticsTurn engagement signals into actionable insights
Built on WhatsApp Business Platform

Trusted by Meta

Customer engagement across WhatsApp, SMS, Email & Voice — powered by Grahak OS.

WhatsAppSMSEmailVoice

Transform customer
engagement with
Grahak OS