Sellsy (Client Credentials)

Sellsy is an all-in-one CRM, invoicing, and accounting suite designed for SMBs and freelancers. It combines customer relationship management with invoicing, quote management, and financial administration in a unified platform.

This integration enables AI agents to access and manage Sellsy data using client credentials flow, allowing secure automation of sales, invoicing, and accounting workflows without requiring user authentication.

Capabilities

• Manage customers, contacts, and companies
• Create and manage quotes, invoices, and delivery notes
• Process payments and track payment status
• Handle bank reconciliation and accounting entries
• Manage products, pricing, and VAT configurations
• Access sales pipelines and opportunities
• Generate financial reports and monitor cash flow

Resources

• Sellsy API v2 Documentation
• Sellsy Developer Portal