=== /recipients/list === {"total":3,"page":1,"recipients":[{"id":1,"email":"alice@example.com","first_name":"Alice","last_name":"Smith","company_name":"Acme Corp","company_phone":"","customer_email":"alice@example.com","custom_fields":{},"status":"valid","is_valid":true,"validation_error":""},{"id":2,"email":"bob@example.co === /subjects/list === {"total":1,"subjects":[{"id":1,"subject":"Invoice %InvoiceNumber% — payment due %DueDate%","use_count":0}]} === /templates/list === {"templates":[{"id":1,"name":"Invoice Template","subject_hint":"Invoice %InvoiceNumber%","source":"paste","sequence_order":0,"size_html":104,"variables":["DueDate","FirstName","InvoiceNumber","RandomTotal"],"unknown_variables":["InvoiceNumber"],"crea === /recipients/lists (unchanged) === {"lists":[{"id":1,"name":"Q3 Invoice List","description":"Test list","source":"manual","row_count":3,"created_at":"2026-09-10T22:35:55.966671+00:00"}]