> ## Documentation Index
> Fetch the complete documentation index at: https://docs.gvb-staging.co.uk/llms.txt
> Use this file to discover all available pages before exploring further.

# Purchased-voucher synchronization

> Import sales vouchers and current balances.

The purchased-voucher stream requires both `view_vouchers` and `view_orders`. Upsert by `id`, retain `reference` for human workflows, and interpret balance/value fields as minor-unit integers. Follow every cursor page before advancing the incremental checkpoint.