Guide
The ilm-business header
The ilm-business header tells the gateway which business context the request belongs to. It is required on most endpoints.
Header format
ilm-business: 900001
The value is the numeric business id.
How to find your business id
GET /accounts/me— returns the user's businesses underdata.relationships.businesses- Inspect any DevTools network request from the frontend
- Use the
/api-current-sessionClaude Code skill