04 — Finance & Accounting

Brex

Corporate card and spend management for startups and growth-stage.

~$700M ARR · Capital One-acquired

What monar connects to

Brex has ~$700 million ARR, acquired by Capital One in January 2026. Its corporate card and spend management platform serves startups and growth-stage companies with real-time expense tracking and budgeting. monar connects to Brex for spend visibility, budget enforcement, and automated expense reconciliation.

Why it matters

Startups and growth-stage companies need spend control without bureaucracy. Connecting monar to Brex means your AI agent can enforce budgets, flag unusual spending, and reconcile expenses automatically — giving finance teams real-time control without slowing down the business.

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