> ## Documentation Index
> Fetch the complete documentation index at: https://developer.fin.com/llms.txt
> Use this file to discover all available pages before exploring further.

# October 10, 2026

> Changelog for October 10, 2026

## ✨ New Features

### Customers

1. **Registration Expiry Date for Business Customers**
   `POST /v2/customers/business` ([Create Business Customer V2](/api-reference/customers/create-business-customer-v2)) now accepts an optional `basic_info.registration_expiry_date` field. Use it to send the expiry date of the business registration.
   * `registration_expiry_date`: optional, in `YYYY-MM-DD` format. Must be a future date. Example: `2028-06-15`


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