# What's New - OL

{% code overflow="wrap" %}

```
{"content":[{"description":"Get notified in real time whenever a member's wallet balance changes. This allows external systems like mobile apps or CRMs to stay in sync without polling the API. ","header":"🔔 WalletBalanceUpdated Webhook","date":"2026-05-04","link":"https://help.openloyalty.io/main-features/webhooks/what-triggers-a-webhook#walletbalanceupdated"},{"description":"Set or remove expiration dates on multiple unit transfers at once using mass actions. This makes bulk expiry management practical at scale without editing transfers one by one. ","header":"⏱️ Unit Transfers: Mass Expiration Management","date":"2026-04-07","link":"https://help.openloyalty.io/main-features/wallets/unit-transfers/managing-unit-transfers#bulk-actions"},{"description":"Secure your integrations with HMAC signatures for webhooks. This allows you to cryptographically verify that payloads genuinely come from Open Loyalty, protecting against spoofed events. ","header":"🔐 HMAC Webhook Signatures","date":"2026-03-10","link":"https://help.openloyalty.io/main-features/webhooks/hmac"},{"description":"Automatically generate Loyalty Card Numbers (LCN) for members upon enrollment. This reduces manual friction and ensures unique, valid card numbers across your program. ","header":"🔢 Loyalty Card Auto-Generator","date":"2026-03-05","link":"https://help.openloyalty.io/main-features/members/configuration"}]}
```

{% endcode %}


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://help.openloyalty.io/whats-new-ol.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.