# v6.10.0 - 2026-09-09

Release notes for Voltage Payments API release `v6.10.0`, published 2026-09-09.

- Corrected webhook test examples to use single-string events, lowercase currencies, structured amounts, and current payment fields. See [Webhooks](/webhooks).
- Added scheduled contract charges and processing-fee sharing for USD lines of credit, configured by Voltage.
- Added optional settlement fees on gross USD ACH payouts after holdback, collected as a separate debit. Fees default to zero. See [Processing Fees](/processing-fees).
- Fixed catch-up billing that could skip completed payment activity and improved historical billing accuracy.