WhatsApp Business API Workflows
WhatsApp Business API enables high-engagement customer conversations, verified brand interactions, interactive quick-reply templates, and rich document sharing.
Status Lifecycle Event
Payload generated with unique event_id& timestamp
HMAC Signing Engine
Header: X-Indotium-Signature
Enterprise Listener
Returns 200 OK (Retry on timeout/5xx)
Engineered for Enterprise Integration
- ✓Approved HSM template management and parameter mapping
- ✓24-hour customer service window conversational messaging
- ✓Interactive buttons, list menus, and call-to-action cards
- ✓Rich media support for PDF receipts, images, and audio notes
- ✓Webhook listener architecture for incoming user messages and status updates
Target Operational Value
- •Higher customer engagement rates compared to traditional channels
- •Rich context preservation for support and sales conversations
- •Reduced service costs through automated bot responses and guided quick-replies
- •Verified business profile presence building customer trust
How the System Operates
Template Approval
Message templates (HSM) are submitted for approval and assigned template identifiers.
Outbound Dispatch
Application triggers a template message with dynamic parameter key-values via REST API.
Inbound Listener
Incoming customer replies open a 24-hour conversational session handled by webhooks.
Bot & Agent Routing
Conversations are routed to automated AI bots or human agent service desks.
Standard Protocols
- •Cloud API REST endpoints with JSON payload structures
- •Inbound message and status webhook events
- •CRM and Customer Support Platform connectors (e.g. TiumDesk)
- •Integration with Indo AI Agency bots for automated conversation handling
Governance & Privacy
- •End-to-end encryption for end-user communications
- •Opt-in policy enforcement and subscriber consent tracking
- •Granular API access tokens and secret management
- •Data privacy compliance for user media and message records
Observability & Scale
- •Quality rating and messaging limit tier monitoring
- •Template status tracking (APPROVED, REJECTED, PAUSED)
- •Session timeout management for the 24-hour messaging window
- •Automated fallback to SMS when WhatsApp session cannot be established
Approved Enterprise Use-Case Categories
Interactive support & FAQs
Allows customers to check order status or resolve common support queries via automated menus.
E-receipts & booking passes
Sends PDF invoices, boarding passes, or appointment confirmations directly in chat.
Guided shopping & catalogs
Enables product browsing and interactive order confirmations within the chat interface.
Technical & Operational Governance FAQ
How does IndoTium support WhatsApp integration?
IndoTium designs the software architecture, template pipelines, webhook processing, and business application connectors required to run WhatsApp Business messaging effectively.
Are message templates required on WhatsApp?
Yes. Business-initiated messages sent outside an active 24-hour customer window require pre-approved WhatsApp message templates.
Related Communications Capabilities

PulseHub Orchestration
Unified multi-channel routing with automatic WhatsApp-to-SMS fallback.

RCS Business Messaging
Rich native messaging for Android devices with verified branding.

Enterprise SMS
REST-based SMS integration for web and cloud application workflows.
Plan Your Enterprise Communications Architecture
Connect with IndoTium's engineering team to discuss message routing, channel orchestration, SMPP connectivity, and custom API integration requirements.
