Intercom Common Errors Overview Quick reference for Intercom API errors by HTTP status code, with real error response shapes and proven solutions. Intercom Error Response Shape All Intercom errors return this structure: Error Reference 401 Unauthorized Causes: - Access token is expired, revoked, or malformed - Using a test token against production (or vice versa) - Token was regenerated in Developer Hub but not updated in app Fix: --- 403 Forbidden Causes: - OAuth app missing required scope - Trying to access a resource in another workspace - Admin permissions insufficient Fix: Add the requir…