> ## 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.

# January 19, 2026

> Changelog for January 19, 2026

## 🛠️ Improvements

* **Fee Guarantee Timestamp:** Added the `valid_till` field to the Fee Calculation response to specify the rate guarantee window.
* **Batch Context in Transactions:** Transaction detail responses now include a `batch_info` object if the transaction was part of a batch payout.
* **Flexible Document Uploads:** The customer upload system now supports arbitrary file field names (e.g., `poa`, `poi`)\[.
* **New Customer Statuses:** Introduced `QUEUED` (sent to processor) and `REINITIATE` (requires new document upload) statuses for customer verification.

## 🐞 Bug Fixes

* **USA Capability Validation:** Added a restriction to prevent USA beneficiary creation for customers who do not have USD capabilities enabled.