Changelog
This changelog tracks changes to the Brex API and is updated periodically. Updates to the API are on a rolling basis and not on any defined schedule.
December 2024
- 
Team API: The 
Get card number
 endpoint response object now includes the cardholder name (
holder_name).
- 
Expenses API: The 
List expenses
 endpoint request now allows for filtering on the 
updated_attimestamp of expenses.
October 2024
- Payments API: New endpoints introduced to create incoming transfers, list bank connections, manage transfers, and manage vendor information.
- 
Budgets API: Introduced new spend limit and budgets concepts as a new set of API endpoints (
v2). The old Spend Limits (v1) API is considered deprecated.
September 2024
- 
Team API: The 
Get card
 endpoint response object now returns a (
has_been_transferred) boolean for a given card.
- 
Team API: The 
Create card
 endpoint response object now accepts an expense policy ID (
policy_id) boolean for a given card.
- 
Expenses API: The Expense object now returns an optional address (
has_been_transferred), a payment posted date and a trip ID if relevant to the expense.
July 2024
- Webhooks: Updated IP whitelist .
February 2022
- 
Transactions API: The 
List cash accounts
 endpoint response object now includes a 
primaryboolean field indicating whether the cash account is the primary cash account for the Brex account. Every Brex user must have one primary cash account.
- 
All APIs: Added a new header for tracing with a generic name 
X-Brex-Trace-Id. Although the previous headerX-Datadog-Trace-Idis still in use as of now, we recommend to start usingX-Brex-Trace-Idas it is vendor-agnostic and will unlikely change overtime.
- 
Payments API: Added 
cancellation_reasoninto the Transfer response.
January 2022
- Webhooks API: Added beta support for webhooks. View the webhooks guide for how to get started and the webhooks API reference for supported events and how to use them.
- 
Team API: Added a 
monthly_availableobject to the responses for both theGETandSETmethods for user limits
December 2021
- 
Payments API: Added the ability to do book transfers between Brex Cash accounts. See 
counterparty->type->BOOK_TRANSFERin the request body for the Create Transfer endpoint
November 2021
- Transactions API: Added endpoints to read cash transactions and read primary card transactions
October 2021
- 
Payments API: Added the ability to filter vendors by 
name(via encoded query param) for the lists vendors endpoint