Monk API
The Monk API provides programmatic access to customer and invoice data in Monk.Base URLs
Sandbox and production are isolated and use separate API keys.
What You Can Do
Customers
Read and manage customer records
Invoices
Access invoice data and payment status
Webhooks
Receive notifications when customer and invoice data changes
MCP Access
Connect AI assistants to read Monk AR context
Quick Start
1. Get your API key
Generate an API key from Settings → API Keys in your Monk dashboard. Select only the permissions your integration needs.2. Make your first request
Need Help?
Authentication
Configure API keys and permissions
Support
Contact the Monk support team