Webhooks

IIMMPACT supports webhooks to keep your systems in sync with real-time events.

Webhook Types

Feature	Transaction Webhooks	Catalog Webhooks
Purpose	Payment status updates (Processing → Succesful / Failed)	Product catalog changes (products, options, categories, groups)
Triggers	Transaction status changes	Catalog data created, updated, or deleted
Setup	Dashboard: Developer > Webhooks > Settings	Dashboard: Developer > Webhooks > Settings

Implementation Details

Your webhook endpoint should be publicly reachable over HTTPS, acknowledge valid events with a 2xx response, and process events idempotently.

For payload schemas, security requirements, and retry behavior, use the API Reference pages below.

Guides

• Transaction Webhooks — Configure callback URLs for payment status notifications
• Catalog Webhooks — Receive real-time catalog change notifications

Catalog SDK

Using the hosted Catalog SDK? See Catalog SDK Webhooks for SDK order outcome notifications.

API Reference

• Get Transaction Callback URL — Retrieve current transaction webhook configuration
• Set Transaction Callback URL — Configure transaction webhook URL
• Transaction Webhook Payload — Payload format, IP allowlist, field mapping
• Catalog Webhook Events — Event types, payload schema, signature verification