Webhook Applet

Purpose and Overview

The Webhook Applet is a critical Core Module integration component that enables real-time event notifications and seamless communication between BigLedger and external systems. This applet provides comprehensive webhook management, event-driven notifications, and API integration capabilities that support automated workflows and system synchronization.

Primary Functions

• Webhook Configuration and Management - Setup and manage webhook endpoints
• Real-time Event Notifications - Instant event broadcasting to external systems
• API Integration Support - Facilitate third-party system integrations
• Event Filtering and Routing - Selective event delivery and routing
• Security and Authentication - Secure webhook communications

Key Features

Webhook Endpoint Management

• Multiple webhook endpoint configuration
• HTTP/HTTPS protocol support
• Custom headers and authentication setup
• SSL certificate validation
• Endpoint health monitoring and status tracking
• Automatic retry and failure handling

Event Broadcasting System

• Real-time event capture across all modules
• Configurable event types and filters
• JSON payload customization and formatting
• Batch and individual event delivery
• Event queuing and reliable delivery
• Historical event logging and tracking

Security and Authentication

• Multiple authentication methods (API Key, OAuth, JWT)
• Request signing and verification
• IP whitelisting and access control
• SSL/TLS encryption enforcement
• Rate limiting and throttling
• Security audit logging

Integration Management

• Third-party system integration templates
• Popular service integrations (Zapier, IFTTT, etc.)
• Custom integration development support
• Integration testing and validation tools
• Performance monitoring and analytics
• Error handling and debugging tools

Event Filtering and Routing

• Advanced event filtering criteria
• Conditional routing based on data values
• Multi-destination event broadcasting
• Custom transformation and mapping
• Business rule-based event processing
• Real-time event preview and testing

Technical Specifications

System Requirements

• Minimum Access Level: Integration Administrator
• Database Dependencies: Event and webhook tables
• Integration Points: All BigLedger modules
• API Standards: RESTful API, JSON format
• Security Protocols: HTTPS, OAuth 2.0, JWT

Webhook Configuration Options

• Endpoint URLs: Unlimited webhook endpoints
• Event Types: 200+ supported event types
• Payload Size: Up to 10MB per webhook
• Retry Attempts: Configurable retry policies
• Authentication Methods: Multiple security options

Performance Parameters

• Event Throughput: 10,000+ events per second
• Response Time: <100ms for event capture
• Delivery Success: 99.9% delivery guarantee
• Concurrent Webhooks: 1,000+ simultaneous deliveries
• History Retention: 90 days of event history

Integration Points

Core Module Dependencies

• Tenant Admin Applet - User authentication and permissions
• Organization Applet - Multi-tenant event routing
• Employee Maintenance Applet - User-based event filtering
• Workflow Design Applet - Workflow-triggered events

Module Integration

External Integrations

• CRM Systems - Salesforce, HubSpot, Pipedrive integration
• Marketing Platforms - Mailchimp, Constant Contact notifications
• Communication Tools - Slack, Microsoft Teams alerts
• Business Intelligence - Power BI, Tableau data feeds
• Accounting Software - QuickBooks, Xero synchronization
• E-Commerce Platforms - Shopify, WooCommerce integration

Configuration Requirements

Initial Setup Requirements

1. Webhook Endpoints - Configure external system URLs
2. Authentication Setup - Set up security credentials
3. Event Selection - Choose relevant event types
4. Filtering Rules - Define event filtering criteria
5. Testing Configuration - Verify webhook functionality

Essential Configurations

• Event Types: Order Created, Payment Received, Stock Updated
• Authentication: API Keys, OAuth tokens, JWT credentials
• Retry Policies: Exponential backoff, maximum attempts
• Filtering Rules: Customer-specific, amount thresholds
• Security Settings: SSL verification, IP whitelisting

Advanced Configurations

• Custom Transformations - Data mapping and formatting
• Conditional Routing - Business rule-based event routing
• Batch Processing - Grouped event delivery
• Error Handling - Custom error response processing
• Analytics Integration - Event performance monitoring

Use Cases

E-Commerce Integration

Scenario: Online store with inventory synchronization

• New order webhook to inventory system
• Stock level updates to e-commerce platform
• Customer registration notifications to CRM
• Payment confirmation to accounting system
• Shipping updates to customer service

Benefits: Real-time e-commerce ecosystem synchronization

CRM System Integration

Scenario: Sales team using external CRM system

• New customer creation notifications
• Sales order updates and status changes
• Payment receipt confirmations
• Service request alerts
• Lead qualification event broadcasting

Benefits: Unified customer relationship management

Financial System Integration

Scenario: Multi-system financial operations

• Invoice creation notifications to accounting system
• Payment processing updates to banking platform
• Expense approval alerts to finance team
• Budget variance notifications
• Audit trail event logging

Benefits: Integrated financial ecosystem management

Manufacturing Integration

Scenario: Production facility with MES integration

• Work order creation notifications
• Quality control result broadcasting
• Inventory consumption updates
• Production completion alerts
• Equipment maintenance notifications

Benefits: Connected manufacturing operations

Related Applets

Core Module Applets

• Workflow Design Applet - Workflow-triggered webhooks
• Tenant Admin Applet - Security and access management
• Process Monitoring Applet - Integration monitoring

Integration Applets

• API Management Applet - API endpoint management
• Data Synchronization Applet - Data synchronization
• External System Applet - Third-party system management

Communication Applets

• Notification Applet - Internal notifications
• Email Integration Applet - Email system integration
• SMS Gateway Applet - SMS notifications

Setup Guide

Quick Start

1. Access Webhook Configuration - Navigate to the applet
2. Add Webhook Endpoint - Configure external system URL
3. Select Event Types - Choose relevant business events
4. Configure Authentication - Set up security credentials
5. Test Webhook Delivery - Verify functionality with test events

Advanced Setup

1. Custom Payload Configuration - Design custom event payloads
2. Advanced Filtering Setup - Configure complex filtering rules
3. Multi-Destination Routing - Set up event broadcasting
4. Error Handling Configuration - Configure retry and error policies
5. Performance Monitoring Setup - Configure analytics and monitoring

Webhook Configuration Examples

E-Commerce Order Webhook

Webhook Name: E-Commerce Order Integration
Endpoint URL: https://api.ecommerce.com/webhooks/bigledger
Method: POST
Authentication: 
  Type: API Key
  Header: X-API-Key
  Value: [ENCRYPTED_API_KEY]

Event Triggers:
  - sales_order.created
  - sales_order.updated
  - sales_order.cancelled
  - payment.received

Payload Format:
  order_id: "{{ order.id }}"
  customer_id: "{{ order.customer_id }}"
  total_amount: "{{ order.total }}"
  status: "{{ order.status }}"
  items: "{{ order.items }}"
  timestamp: "{{ event.timestamp }}"

Filters:
  - order.total > 100
  - order.status != "draft"

Retry Policy:
  Max Attempts: 3
  Backoff: Exponential
  Timeout: 30 seconds

CRM Customer Sync Webhook

Webhook Name: CRM Customer Synchronization
Endpoint URL: https://api.crm.com/webhooks/customers
Method: POST
Authentication:
  Type: OAuth 2.0
  Token: [OAUTH_TOKEN]

Event Triggers:
  - customer.created
  - customer.updated
  - customer.deleted

Payload Format:
  customer_id: "{{ customer.id }}"
  name: "{{ customer.name }}"
  email: "{{ customer.email }}"
  phone: "{{ customer.phone }}"
  address: "{{ customer.address }}"
  created_date: "{{ customer.created_date }}"

Security Settings:
  SSL Verification: Required
  IP Whitelist: [CRM_SERVER_IPS]
  Rate Limit: 100 requests/minute

Best Practices

Webhook Design Best Practices

• Idempotent Operations - Design for repeated webhook deliveries
• Minimal Payloads - Include only necessary data
• Clear Event Names - Use descriptive event naming conventions
• Versioning Strategy - Plan for webhook payload evolution
• Documentation - Comprehensive webhook documentation

Security Best Practices

• Authentication Required - Never use unsecured webhooks
• SSL/TLS Encryption - Always use HTTPS endpoints
• Request Verification - Verify webhook source authenticity
• IP Whitelisting - Restrict access to known sources
• Rate Limiting - Prevent webhook abuse and flooding

Performance Best Practices

• Async Processing - Handle webhooks asynchronously
• Batch Processing - Group related events when possible
• Retry Logic - Implement intelligent retry mechanisms
• Monitoring - Continuous webhook performance monitoring
• Error Handling - Graceful error handling and logging

Troubleshooting

Common Issues

Webhook delivery failures

• Check endpoint URL accessibility
• Verify authentication credentials
• Review SSL certificate validity
• Check payload format requirements

Missing webhook events

• Verify event type configuration
• Check filtering rules and conditions
• Review webhook activation status
• Confirm module integration settings

Performance issues

• Monitor webhook delivery times
• Check external system response times
• Review retry policy configuration
• Analyze event queue backlog

Support Resources

• Webhook configuration and setup guide
• Integration best practices documentation
• Security implementation guide
• Performance optimization recommendations