Full Platform Capabilities

Everything You Need to Power Business WhatsApp

Designed from the ground up for high deliverability, granular contact management, and complete developer control.

Real Session Engine

Instant QR Authentication & Multi-Device Sessions

Connect your WhatsApp accounts effortlessly using real-time QR code generation. Sandesh maintains robust multi-tenant session isolation with automatic heartbeat reconnection.

Instant browser-based QR code authentication

Real-time connection state & battery/device indicators

Multiple WhatsApp instances per workspace

Automatic session health checks and reconnect loops

Session Engine State

CONNECTED

Paired & Verified

Primary Phone+1 (555) 019-2834

Heartbeat Protocol 99.9% Uptime

Tenant Scope Isolated

Contact Management

Granular Organization with Groups & Dynamic Tags

Keep customer relationships organized. Import contacts, categorize them with tags, and build reusable contact groups for precision campaign targeting.

Search, filter, and bulk-import contacts with custom attributes

Unlimited tags and static or dynamic contact groups

Workspace-level tenant data isolation

Per-contact messaging history and delivery status audits

Contact & Tag Ingestion

CSV & API Sync

Sarah Jenkins+1 (555) 912-3829

VIP Buyer

David Ross+1 (555) 438-1920

Enterprise Lead

Targeted Outreach

High-Performance Broadcast Scheduling & Progress Controls

Design personalized broadcast campaigns, select targeted segments, choose personalized templates, and launch on schedule with live pause/resume/cancel controls.

Target by specific tags, contact groups, or individual records

Live progress tracking: pending, dispatched, delivered, read, failed

Real-time pause, resume, and cancellation mechanics

Anti-spam intelligent rate-limiting and throttle control

Campaign Dispatch Engine

DISPATCHING

Q3 Product Announcement

Target: "Active Customers" (2,400 contacts)

Progress: 68%1632 / 2,400 sent

Anti-spam rate limiting activeAvg 12 msgs/min

Queue Architecture

Reliable Asynchronous Message Delivery with Status Receipts

Every message dispatched through Sandesh transitions with real-time auditability: sent, delivered, read, or failed with actionable error codes.

Live two-way message logs with accurate timestamps

Detailed failure tracking with diagnostic reason codes

Media attachments, templates, and rich message support

Retry mechanisms for transient network drops

Message Lifecycle Audit

State: READ

Hi Michael! Your package #SD-8921 has departed our hub and is out for delivery today.

2:45 PM

Delivery Latency: ~140msCarrier Confirmed

Event Triggers

Trigger-Driven Flows and Timed Follow-Up Sequences

Eliminate repetitive manual outreach. Construct event-based triggers, configure delayed action sequences, and monitor execution histories.

Event triggers: Contact added, tag assigned, campaign response

Configurable delay timers (minutes, hours, days)

Detailed automation run history with per-step execution logs

Automated fallback routes when triggers encounter issues

Trigger-Based Workflow

ACTIVE RULE

Trigger: Contact AddedSource: Inbound Website Form

Immediate

Delay ActionWait 15 minutes

Timer Queue

Dispatch WhatsApp TemplateTemplate: welcome_offer_v1

Developer Platform

Modern REST API with Scoped Keys & HMAC Webhooks

Seamlessly embed WhatsApp capabilities into your CRM, backend, or custom stack with developer-first tools.

Secure REST API endpoints with granular token scopes

Signed webhook payloads with HMAC SHA-256 verification

Idempotency key enforcement to prevent duplicate dispatches

Automated webhook retry handling with exponential backoff

Bi-Directional Integration

Outbound REST API

Your StackCRM / ERP

Sandesh EngineQueue & Auth

WhatsAppRecipient

Scoped Token Authentication

HMAC SHA-256 Verified

Data Tracking

Actionable Insights into Delivery, Read Rates & Engagement

Track system health and campaign ROI across customizable date ranges. Understand exact delivery ratios and automation performance.

Granular KPI cards: Messages Sent, Delivered, Read, and Failed

Delivery & Read rate percentage computations

Interactive timeline charts across 7d, 30d, 90d, or custom intervals

Workspace-level activity feeds and failure breakdowns

Delivery Performance Metrics

Demo Data Preview

Delivery Success

99.2%

Carrier Dispatched

Read Receipts

87.4%

Double Blue Checks

Date Interval: 30 Days +14.2% Month-over-Month

Resource Quotas

Flexible Tiered Plans with Transparent Usage Visibility

Scale from single numbers to enterprise volume. Manage subscriptions, inspect monthly limits, and download invoices effortlessly.

Real-time usage meters against active plan allowances

Monthly and annual billing intervals with 20% annual savings

Self-serve plan upgrades and downgrades

Detailed itemized billing invoices and receipts

Quota Metering (Demo)

Active Tier

Contacts Quota7,420 / 10,000 (74%)

Monthly Message Limit18,240 / 25,000 (73%)

WhatsApp Connections3 / 5 Connected

Get Started in Under 2 Minutes

Ready to Simplify Your WhatsApp Communication?

Bring contacts, campaigns, automation, templates, and delivery analytics into one powerful, isolated workspace.

Start Free View Pricing

Free trial included Real multi-device pairing Cancel anytime