Brex

Free tier

Modern finance platform with AI-powered cards, banking, expenses, and accounting in 120+ countries

Free tier available·All audiences·Powered by Brex (proprietary AI)·API available

Key strengths

AI-powered expense automation saving 4,250+ hours/year99% expense policy compliance rateGlobal coverage across 120+ countriesUp to 3.67% yield on business banking balancesThousands of two-way ERP integrations

Free tier + paid plans

Salt Lake City, USA

Founded 2017

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Technical Setup & API Overview

Brex provides a RESTful API and native integrations for developers and finance engineering teams.

Key Capabilities

API Access: Brex's API allows programmatic management of cards, transactions, budgets, and expense reports. Authenticate via OAuth 2.0 tokens.
ERP Integrations: Thousands of two-way integrations with ERPs (NetSuite, SAP, QuickBooks, etc.) for automated GL coding, accrual booking, and entity-level accounting globally.
Webhook Support: Subscribe to real-time transaction and expense events to trigger downstream workflows.
AI Expense Engine: Automated receipt matching, policy enforcement, and GL code suggestions are available via the platform's AI layer — no additional model configuration required.

Example: Fetch Transactions via API

curl -X GET https://platform.brexapis.com/v2/transactions/card \
  -H "Authorization: Bearer {YOUR_TOKEN}" \
  -H "Content-Type: application/json"

Key Parameters

Parameter	Description
`cursor`	Pagination cursor for large result sets
`limit`	Number of results per page (max 100)
`expand[]`	Expand nested objects (e.g., `merchant`, `budget`)

Refer to the Brex Developer Docs for full API reference, SDKs, and webhook schemas.

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