v6.5.0 - 2026-07-22

release notes for voltage payments api release v6 5 0 , published 2026 07 22 a new checkout api surface supports idempotent merchant session creation for btc payments and usd line of credit backed payments, browser safe session retrieval, hosted checkout handoff, origin enforcement, and api key or bearer jwt authentication checkout flows cover bolt11, on chain, bip21, and taproot asset receives, with environment settings available through a read endpoint browser checkout clients can subscribe to server sent events for session snapshots and payment updates the release improves event accuracy by projecting from canonical receive events, and browser safe payment details now include payment owned amount and requested amount values when available quote backed session creation also adds validation for amount, currency, denomination, precision, wallet compatibility, and terminal quote failures production checkout rollout remained gated after these changes merged the production configuration required a matching terraform iam change before syncing the checkout application, and unified production documentation routes remained disabled pending checkout and shared gateway health checks this release note therefore does not claim production availability for checkout organization line of credit list and summary endpoints now return active lines by default pass include disabled=true to include disabled records; omitted or false remains active only environment and combined filters are also composed correctly line of credit list endpoints support optional limit and offset pagination when pagination is requested, the response is an object containing items , offset , limit , and total ; without those parameters, the legacy array response is preserved the release adds a unified documentation aggregator with /v1/docs and /v1/openapi/docs json routes, strong etags, and if none match / 304 not modified support public payments visibility fails closed so private or ambiguously tagged routes are excluded production availability of the unified routes remained subject to the rollout gate above source github release https //github com/voltagecloud/backend/releases/tag/v6 5 0 | pr #2034 https //github com/voltagecloud/backend/pull/2034 | pr #2035 https //github com/voltagecloud/backend/pull/2035 | pr #2036 https //github com/voltagecloud/backend/pull/2036 | pr #2037 https //github com/voltagecloud/backend/pull/2037 | pr #2042 https //github com/voltagecloud/backend/pull/2042 | pr #2041 https //github com/voltagecloud/backend/pull/2041 | pr #2044 https //github com/voltagecloud/backend/pull/2044 | pr #2048 https //github com/voltagecloud/backend/pull/2048 | pr #2049 https //github com/voltagecloud/backend/pull/2049 | pr #2054 https //github com/voltagecloud/backend/pull/2054 | pr #2057 https //github com/voltagecloud/backend/pull/2057 | pr #2063 https //github com/voltagecloud/backend/pull/2063 | pr #2052 https //github com/voltagecloud/backend/pull/2052 | pr #2056 https //github com/voltagecloud/backend/pull/2056 | pr #2061 https //github com/voltagecloud/backend/pull/2061 | pr #2062 https //github com/voltagecloud/backend/pull/2062 | pr #2064 https //github com/voltagecloud/backend/pull/2064 | pr #2066 https //github com/voltagecloud/backend/pull/2066 | full changelog https //github com/voltagecloud/backend/compare/v6 4 0 v6 5 0