Developer API

Expenses API: Added booking_id field to expense objects for trip expenses, and added spending_entity and policy as expand options on List Ex...

Onboarding API: Added new endpoint POST /v1/referrals/{id}/process_ein_document for processing delayed EIN documents after upload. **Fields API:...

Expenses API: Reduced maximum limit parameter from 1000 to 100 for the List Expenses endpoints. Updated the API documentation look and feel.

Added support for new API hostnames (api.brex.com); the former hostnames will continue to work for the forseeable future.

Expenses API: Added dashboard_url field to expense objects, providing a direct link to view expenses in the Brex dashboard.

Accounting API (Alpha): Published the Accounting API reference for ERP partners and customers to discover and integrate with accounting data endpo...

No updates recorded for October 2025.

No updates recorded for September 2025.

No updates recorded for August 2025.

No changelog entries found for July 2025.

No changelog entries found for June 2025.

Cards API: Updated spend controls documentation with improved nullable property definitions. Fields API (alpha): Added official Fields API doc...

Expenses API: Added documentation for new payment_posted_at_start and payment_posted_at_end filters in the List expenses endpoints, allowing f...

Expenses API: Updated documentation with latest field additions including improved custom fields documentation. Published new endpoints and added ...

Budgets API: Updated spend limit creation to support legal_entity_id and department_id parameters for attributing expenses to specific entitie...

Team API: The Get card number endpoint response now includes the cardholder name (holder_name). Expenses API: The List expenses endpoint req...

Payments API: New endpoints introduced to create incoming transfers, list bank connections, manage transfers, and manage vendor information. **Bud...

Team API: The Get card endpoint response now returns a has_been_transferred boolean. The Create card endpoint now accepts an expense policy ID (...

Webhooks: Updated IP whitelist.

Transactions API: The List cash accounts endpoint response now includes a primary boolean field indicating whether the cash account is the prima...