Retrieve account billing information
GET /v1/accounts/{account_id}/billing endpoint to retrieve a comprehensive overview of an account's financial status, including a list of invoices, payment history, and current feature usage statistics against plan limits.curl -X GET 'https://api.faraday.ai/v1/accounts/{account_id}/billing' \
-H 'Authorization: Bearer $FARADAY_API_KEY' \
-H 'Content-Type: application/json'