API Overview

Webhooks Implementation Guide
- Limited Availability Release
- Recent Revisions to This Document
- VISA Platform Connect: Specifications and Conditions for Resellers/Partners

Introducing Webhooks
- Webhooks Benefits
- Webhooks Requirements
- Webhooks Workflow Options

Set Up Webhooks
- Subscribing to Webhooks Using Mutual Trust
  - Setting Up Server Security
  - Create a Shared Secret Key Pair
  - Requesting a Digital Signature Key
    - Required Fields for Requesting a Digital Signature Key
    - Example: Requesting a Digital Signature Key
  - Products and Events
    - Requesting a List of Products and Events
    - Example: Requesting a List Products and Event
  - Subscribing to Webhooks Using Mutual Trust
    - Required Fields for Subscribing to Webhooks Using Mutual Trust
    - Optional Fields for Subscribing to Webhooks Using Mutual Trust
    - Example: Creating a Webhook Subscription Using Mutual Trust
    - Notification Scope
    - Health Check URL
    - Subscription Status
    - Product and Event Types
  - Notification Format
    - Example: Notification Payload
- Subscribing to Webhooks Using OAuth
  - Setting Up Server Security
  - Create a Shared Secret Key Pair
  - Requesting a Digital Signature Key
    - Required Fields for Requesting a Digital Signature Key
    - Example: Requesting a Digital Signature Key
  - Sending OAuth Credentials
    - Required Fields for Sending Your OAuth Credentials
    - Example: Sending Your OAuth Credentials
  - Products and Events
    - Requesting a List of Products and Events
    - Example: Requesting a List Products and Event
  - Subscribing to Webhooks Using OAuth
    - Required Fields for Subscribing to Webhooks Using OAuth
    - Optional Fields for Subscribing to Webhooks Using OAuth
    - Example: Creating a Webhook Subscription Using OAuth
    - Notification Scope
    - Health Check URL
    - Subscription Status
    - Product and Event Types
  - Notification Format
    - Example: Notification Payload
- Subscribing to Webhooks Using OAuth with JWT
  - Setting Up Server Security
  - Create a P12 File
  - Requesting a Digital Signature Key
    - Required Fields for Requesting a Digital Signature Key
    - Example: Requesting a Digital Signature Key
  - Sending OAuth Credentials
    - Required Fields for Sending Your OAuth Credentials
    - Example: Sending Your OAuth Credentials
  - Products and Events
    - Requesting a List of Products and Events
    - Example: Requesting a List Products and Event
  - Subscribe to Webhooks Using OAuth with JWT
    - Required Fields for Subscribing to Webhooks Using OAuth with JWT
    - Optional Fields for Subscribing to Webhooks Using OAuth with JWT
    - Example: Creating a Webhook Subscription Using OAuth with JWT
    - Notification Scope
    - Health Check URL
    - Subscription Status
    - Product and Event Types
  - Notification Format
    - Example: Notification Payload

Managing Subscriptions
- Retrieving the Details of a Webhook Subscription
  - Example: Retrieving the Details of a Webhook Subscription
- Retrieving an Organization's Subscriptions Using the Product and Event
  - Required Query Parameters for Retrieving an Organization's Subscriptions Using the Product and Event
  - Example: Retrieving an Organization's Subscriptions Using the Product and Event
- Updating a Webhook Subscription
  - Example: Updating a Webhook Subscription
- Deleting a Webhook Subscription
  - Example: Deleting a Webhook Subscription

Troubleshooting Webhook Subscriptions

Health Check URL

Create REST API Keys
- Create a P12 File
- Create a Shared Secret Key Pair

Requesting a Digital Signature Key

Product and Event Types
- Requesting a List of Products and Events

Optional Tasks
- Notification Validation
  - Digital Signature Format
  - Validating a Notification
  - Example: Validating a Notification
- Retry Policy
  - Example: Retry Policy in a Subscription Request
- Testing API Requests
  - Triggering a Test Webhook Notification Using the Token Management Service

Example: Creating a Webhook Subscription Using Mutual Trust

This example shows how to subscribe to a terminal management event using Mutual Trust.

{
  "name": "My Custom Webhook",
  "description": "Sample Webhook from Developer Center",
  "organizationId": "organizationId",
  "productId": "terminalManagement",
  "eventTypes": [
    "terminalManagement.assignment.update"
  ],
  "webhookUrl": "https://MyWebhookServer.com:443/simulateClient",
  "healthCheckUrl": "https://MyWebhookServer.com:443/simulateClientHealthCheck",
  "notificationScope": "SELF",
  "securityPolicy": {
    "securityType": "KEY",
    "proxyType": "external"
  }
}

Response to a Successful Request

{
  "organizationId": "organizationId",
  "productId": "terminalManagement",
  "eventTypes": [
    "terminalManagement.assignment.update"
  ],
  "webhookId": "ddb9bced-c3e3-1b1d-e053-9c588e0a3c42",
  "name": "My Custom Webhook",
  "webhookUrl": "https://MyWebhookServer.com:443/simulateClient",
  "healthCheckUrl": "https://MyWebhookServer.com:443/simulateClientHealthCheck",
  "createdOn": "2022-04-28T15:39:56.928Z",
  "status": "ACTIVE",
  "description": "Sample Webhook from Developer Center",
  "retryPolicy": {
    "algorithm": "ARITHMETIC",
    "firstRetry": "1",
    "interval": "1",
    "numberOfRetries": "3",
    "deactivateFlag": "false",
    "repeatSequenceCount": '0",
    "repeatSequenceWaitTime": "0"
  },
  "securityPolicy": {
    "securityType": "KEY",
    "digitalSignatureEnabled": "yes"
  },
  "version": "3",
  "notificationScope": "SELF"
}

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