Get Lead Billing Summary

GET 
/api/billing/leads/:lead_id/summary

Get comprehensive billing summary for a specific lead.

This is an alternative endpoint to /summary/{customer_id} that follows the consistent /leads/{lead_id}/* pattern.

Args: lead_id: Lead ID

Returns: Billing data summary including:

• Total transactions and amount spent
• Active subscriptions count
• Payment methods count
• Last payment date
• Outstanding balance

Request​